SRI on the System of Rice Intensification in Mali -
Presented by Erika Styger, SRI Rice Director of Programs, Cornell University
to the IARD class at Cornell University, November 16, 2012
Presentation by Chun-E Kan
Title: System of Rice Intensification (SRI) Introduction in Taiwan: Results of Trials, Adapting to Existing Farming Systems and Local Conditions, and Making Links with the Private Sector
Venue: Cornell University
Date: April 16, 2015
Organized by: SRI-Rice, Cornell Univesity
Presentation by Khem Raj Dahal
at the National SRI Nepal Network Meeting
Title: SRI History, Present Perspectives and Future Strategies in Nepal
Date: June 19, 2015
Venue: NARI Hall, Lalitpur, Nepal
Title: Agroecological Strategies for Raising Crop Productivity with Reduced Inputs, with Less Water Requirement, and with Buffering of Climate-Change Stresses
Speaker: Norman Uphoff, Cornell University, USA
Presented at: ECHO 20th Annual Agricultural Conference
Venue: ECHO, Ft. Myers, FL - December 10, 2013
The document discusses participatory irrigation management lessons learned from projects in Indonesia. It summarizes that projects in eastern Indonesia improved irrigation systems and management, increasing yields and incomes. Water user associations were formed and successfully took over management. The System of Rice Intensification technique was introduced, reducing water and inputs while increasing yields by 50-100%. Its use is expanding rapidly in project areas.
The document summarizes on-farm trials of the System of Rice Intensification (SRI) conducted in Eastern Visayas, Philippines from 2004-2006. Key findings include average SRI yields being 2-4 tons/ha higher than traditional methods, with some farmers achieving over 13 tons/ha. Over 30 orientations introduced SRI to over 1,000 farmers. On-farm trials on over 50 sites demonstrated SRI's benefits, leading more farmers to adopt the method in subsequent seasons. The trials were conducted by agricultural agencies and evaluated SRI's yield increases and economic benefits compared to traditional rice cultivation.
This document summarizes a survey of rice management practices including SRI, BMP, and CP on acid soils in Prey Veng, Cambodia. The survey found that SRI provided the highest yields and best rice characteristics due to practices like younger seedlings, better water management, and organic fertilizer. However, SRI required more labor and costs. While SRI had lower gross margins when including labor, it provided higher incomes and benefits than BMP and CP. The study concluded that combining rice management techniques is important for yields, but partial adoption may be more suitable for farmers due to resource constraints.
The document summarizes 3 years of experience with the System of Rice Intensification (SRI) in Mali from 2007-2009. SRI was first tested on a small scale in 2007 in Timbuktu region, showing a 66% yield increase compared to traditional practices. In 2008, the methodology was expanded to 60 farmers across 12 villages, maintaining a 50-100% yield increase while reducing inputs. In 2009, SRI was scaled up to over 450 farmers across 57 villages in 5 regions of Mali, continuing to demonstrate substantial yield gains of 40-72% with reduced costs. The principles of SRI were also adapted successfully to rainfed and lowland rice systems in Southern Mali.
Poster at the 4th International Rice Congress
Authors: Shigeki Yokoyama and Takeshi Sakurai
Title: Participation and Impact of Rice Cultivation Training: The Case of SRI in Madagascar
Venue: Bangkok International Trade and Exhibition Centre (BITEC), Bangkok, Thailand
Date: October 28-31, 2014
Presentation by Chun-E Kan
Title: System of Rice Intensification (SRI) Introduction in Taiwan: Results of Trials, Adapting to Existing Farming Systems and Local Conditions, and Making Links with the Private Sector
Venue: Cornell University
Date: April 16, 2015
Organized by: SRI-Rice, Cornell Univesity
Presentation by Khem Raj Dahal
at the National SRI Nepal Network Meeting
Title: SRI History, Present Perspectives and Future Strategies in Nepal
Date: June 19, 2015
Venue: NARI Hall, Lalitpur, Nepal
Title: Agroecological Strategies for Raising Crop Productivity with Reduced Inputs, with Less Water Requirement, and with Buffering of Climate-Change Stresses
Speaker: Norman Uphoff, Cornell University, USA
Presented at: ECHO 20th Annual Agricultural Conference
Venue: ECHO, Ft. Myers, FL - December 10, 2013
The document discusses participatory irrigation management lessons learned from projects in Indonesia. It summarizes that projects in eastern Indonesia improved irrigation systems and management, increasing yields and incomes. Water user associations were formed and successfully took over management. The System of Rice Intensification technique was introduced, reducing water and inputs while increasing yields by 50-100%. Its use is expanding rapidly in project areas.
The document summarizes on-farm trials of the System of Rice Intensification (SRI) conducted in Eastern Visayas, Philippines from 2004-2006. Key findings include average SRI yields being 2-4 tons/ha higher than traditional methods, with some farmers achieving over 13 tons/ha. Over 30 orientations introduced SRI to over 1,000 farmers. On-farm trials on over 50 sites demonstrated SRI's benefits, leading more farmers to adopt the method in subsequent seasons. The trials were conducted by agricultural agencies and evaluated SRI's yield increases and economic benefits compared to traditional rice cultivation.
This document summarizes a survey of rice management practices including SRI, BMP, and CP on acid soils in Prey Veng, Cambodia. The survey found that SRI provided the highest yields and best rice characteristics due to practices like younger seedlings, better water management, and organic fertilizer. However, SRI required more labor and costs. While SRI had lower gross margins when including labor, it provided higher incomes and benefits than BMP and CP. The study concluded that combining rice management techniques is important for yields, but partial adoption may be more suitable for farmers due to resource constraints.
The document summarizes 3 years of experience with the System of Rice Intensification (SRI) in Mali from 2007-2009. SRI was first tested on a small scale in 2007 in Timbuktu region, showing a 66% yield increase compared to traditional practices. In 2008, the methodology was expanded to 60 farmers across 12 villages, maintaining a 50-100% yield increase while reducing inputs. In 2009, SRI was scaled up to over 450 farmers across 57 villages in 5 regions of Mali, continuing to demonstrate substantial yield gains of 40-72% with reduced costs. The principles of SRI were also adapted successfully to rainfed and lowland rice systems in Southern Mali.
Poster at the 4th International Rice Congress
Authors: Shigeki Yokoyama and Takeshi Sakurai
Title: Participation and Impact of Rice Cultivation Training: The Case of SRI in Madagascar
Venue: Bangkok International Trade and Exhibition Centre (BITEC), Bangkok, Thailand
Date: October 28-31, 2014
Poster at the 4th International Rice Congress
Authors: M. Bagayoko, G. Traoré, E. Styger, and D. Jenkins
Title: System of Intensification (SRI) - An Opportunity to Improve the Productivity and Resilience African Rice Production
Venue: Bangkok International Trade and Exhibition Centre (BITEC), Bangkok, Thailand
Date: October 28-31, 2014
Title: Improving and Scaling up the System of Rice Intensification in West Africa
Presented by: Erika Styger
Presented at: Third Africa Rice Congress
Venue and Date: Yaounde, Cameroon. October 21-24, 2013
Title: Agroecological Crop Management for Increased Productivity- Experience with Rice and Other Crops
Date: 24 January 2013
Presented by Norman Uphoff at the 6th International Seminar on Agricultural Policies, Instituto Interamericano de Cooperation para la Agricultura (IICA), Santo Domingo, Domincan Republic
The document discusses the evaluation and spread of the System of Rice Intensification (SRI) in Asia. It describes how SRI was developed in Madagascar in the 1980s and then spread to many other countries in Asia and other regions through trials conducted by various organizations starting in the late 1990s and 2000s. It provides details on SRI trials, evaluations and adoption in numerous countries in Asia, including China, Indonesia, Bangladesh, Cambodia, the Philippines, Sri Lanka, Nepal, Myanmar, Laos, Thailand and Vietnam. On average, SRI is shown to increase rice yields by 78% while reducing inputs such as water, fertilizer and costs of production.
The document summarizes achievements and challenges from a project introducing the System of Rice Intensification (SRI) to small farmers in Thai Nguyen and Phu Tho provinces in Vietnam. In the first year, over 500 farmer households applied SRI to over 40 hectares, increasing yields by 9% and profits by 11-13% while reducing inputs. However, farmers were initially fearful of SRI techniques and local authorities lacked resources. Strategies to address challenges included training farmers and staff, expanding demonstrations, and encouraging tool development and gender inclusion.
Title: Identification of the critical factors of System of Rice Intensification (SRI) for maximizing Boro rice yield in Bangladesh
Presenter: Md. Abu Bakar Siddique Sarker, Principle Scientific Officer, Agronomy Division, Bangladesh Rice Research Institute (BRRI)
Venue: The 17th Australian Agronomy Conference, Wrest Point Convention Centre in Hobart, Tasmania, Australia
Date: September 24, 2015
Author: Erika Styger
Title: Scaling Up Climate-smart Rice Production in West Africa
Date: February 11, 2016
Presented at the Issues in African Development Weekly Seminar Series
Venue: Uris Hall, Cornell University
Presenter: Ram Bahadur Khadka
Title: New Directions for the System of Rice Intensification in Nepal: Mechanization and Biofertilizers
Date: December 9, 2016
Venue: Mann 102, Cornell University, Ithaca, NY
Poster presented at the 4th International Rice Congress (IRC2014)
Authors: Dang Bao Nguyet and Le Nguyet Minh
Title: The Evolution of the System of Rice Intensification - What Have We Learnt?
Date: October 27-31, 2014
Venue: BITEC, Bangkok, Thailand
PowerPoint presented Erika Styger at the First First Workshop on the System of Rice Intensification (SRI) in Latin America at EARTH University in Costa Rica, Oct. 31-Nov. 1, 2011
The document summarizes research on the System of Rice Intensification (SRI) being conducted in China and other countries. SRI is an alternative rice cultivation method that involves wider spacing of young seedlings, reduced water usage, and other practices. Studies have found SRI can lead to higher rice yields, improved grain quality, and reduced costs compared to conventional methods. Researchers are exploring different techniques to adapt SRI principles to local growing conditions. Overall, results suggest SRI has potential to increase rice productivity while reducing environmental impacts.
Presenter: Jean Njiru
Title: Some observations on introduction and rapid growth of the System of Rice Intensification (SRI) among smallholder farmers in Kenya
Date: October 7, 2016
Venue: 160 Mann Library, Cornell University
Sponsor: SRI-Rice, International Programs, CALS, Cornell University, Ithaca, NY
The document summarizes the System of Rice Intensification (SRI) methodology and its water management practice of Alternate Wetting and Drying (AWD). SRI has been shown to increase yields by 30-50% using 90% less seed and 30-50% less water. When combined with AWD, SRI produces rice plants with more tillers, deeper and more extensive roots, and higher productivity compared to conventional rice production with AWD. Research indicates SRI with AWD has higher water productivity and yields than conventional practices with AWD or flooded rice. The document recommends scaling up SRI/AWD through regional efforts with long term government and donor support.
Promoting the Adoption of SRI throughParticipatory Research and Outreach in Kenya SRI - Growing More Rice with Less Water
April 18, 2012, presentation by Prof. Bancy M. Mati
SRI Projects Coordinator
Jomo Kenyatta University of Agriculture & Technology (JKUAT)
Nairobi, Kenya
18th April 2012
Pragati is a non-profit organization established in 1992 in Koraput, Odisha with a vision of building a self-reliant society free from hunger and exploitation. It operates in 13 blocks of Koraput district, focusing on food security through natural resource management, sustainable agriculture using organic practices, women's empowerment, and disaster risk reduction. Between 2008-2013, Pragati promoted System of Rice Intensification (SRI) among 11,304 small farmers across 7,162 acres. It has since expanded SRI to other crops like ragi and applied organic practices for nutrient and pest management. Pragati's work has increased food security, farm incomes, and the adoption of organic techniques among
Presenter: IrsaL Las, A. Gani and N. Widiarta / Indonesia Institute for Rice Research
Audience: World Rice Research Conference, Japan
Subject Country: Indonesia
PowerPoint presented by Fernando Neri, Bolivia, at the First Workshop on the System of Rice Intensification (SRI) in Latin America at EARTH University in Costa Rica, Oct. 31-Nov. 1, 2011
This document discusses options for integrating trees on farms in Malawi and Southern Africa. It outlines how trees can improve soil fertility, provide food, fodder, and fiber, as well as ecosystem services. Specific tree integration options presented include fertilizer trees intercropped with maize, improved fallows, and fodder trees. Data shows that these agroforestry systems can increase maize yields compared to conventional systems and improve resilience during drought. However, tree integration on farms remains low due to challenges such as labor constraints, animal damage, and lack of supportive policies.
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: International Conference on Sustainable Development in the Context of Climate Change- Asian Institute of Technology
Presented on: September 24, 2009
Poster at the 4th International Rice Congress
Authors: M. Bagayoko, G. Traoré, E. Styger, and D. Jenkins
Title: System of Intensification (SRI) - An Opportunity to Improve the Productivity and Resilience African Rice Production
Venue: Bangkok International Trade and Exhibition Centre (BITEC), Bangkok, Thailand
Date: October 28-31, 2014
Title: Improving and Scaling up the System of Rice Intensification in West Africa
Presented by: Erika Styger
Presented at: Third Africa Rice Congress
Venue and Date: Yaounde, Cameroon. October 21-24, 2013
Title: Agroecological Crop Management for Increased Productivity- Experience with Rice and Other Crops
Date: 24 January 2013
Presented by Norman Uphoff at the 6th International Seminar on Agricultural Policies, Instituto Interamericano de Cooperation para la Agricultura (IICA), Santo Domingo, Domincan Republic
The document discusses the evaluation and spread of the System of Rice Intensification (SRI) in Asia. It describes how SRI was developed in Madagascar in the 1980s and then spread to many other countries in Asia and other regions through trials conducted by various organizations starting in the late 1990s and 2000s. It provides details on SRI trials, evaluations and adoption in numerous countries in Asia, including China, Indonesia, Bangladesh, Cambodia, the Philippines, Sri Lanka, Nepal, Myanmar, Laos, Thailand and Vietnam. On average, SRI is shown to increase rice yields by 78% while reducing inputs such as water, fertilizer and costs of production.
The document summarizes achievements and challenges from a project introducing the System of Rice Intensification (SRI) to small farmers in Thai Nguyen and Phu Tho provinces in Vietnam. In the first year, over 500 farmer households applied SRI to over 40 hectares, increasing yields by 9% and profits by 11-13% while reducing inputs. However, farmers were initially fearful of SRI techniques and local authorities lacked resources. Strategies to address challenges included training farmers and staff, expanding demonstrations, and encouraging tool development and gender inclusion.
Title: Identification of the critical factors of System of Rice Intensification (SRI) for maximizing Boro rice yield in Bangladesh
Presenter: Md. Abu Bakar Siddique Sarker, Principle Scientific Officer, Agronomy Division, Bangladesh Rice Research Institute (BRRI)
Venue: The 17th Australian Agronomy Conference, Wrest Point Convention Centre in Hobart, Tasmania, Australia
Date: September 24, 2015
Author: Erika Styger
Title: Scaling Up Climate-smart Rice Production in West Africa
Date: February 11, 2016
Presented at the Issues in African Development Weekly Seminar Series
Venue: Uris Hall, Cornell University
Presenter: Ram Bahadur Khadka
Title: New Directions for the System of Rice Intensification in Nepal: Mechanization and Biofertilizers
Date: December 9, 2016
Venue: Mann 102, Cornell University, Ithaca, NY
Poster presented at the 4th International Rice Congress (IRC2014)
Authors: Dang Bao Nguyet and Le Nguyet Minh
Title: The Evolution of the System of Rice Intensification - What Have We Learnt?
Date: October 27-31, 2014
Venue: BITEC, Bangkok, Thailand
PowerPoint presented Erika Styger at the First First Workshop on the System of Rice Intensification (SRI) in Latin America at EARTH University in Costa Rica, Oct. 31-Nov. 1, 2011
The document summarizes research on the System of Rice Intensification (SRI) being conducted in China and other countries. SRI is an alternative rice cultivation method that involves wider spacing of young seedlings, reduced water usage, and other practices. Studies have found SRI can lead to higher rice yields, improved grain quality, and reduced costs compared to conventional methods. Researchers are exploring different techniques to adapt SRI principles to local growing conditions. Overall, results suggest SRI has potential to increase rice productivity while reducing environmental impacts.
Presenter: Jean Njiru
Title: Some observations on introduction and rapid growth of the System of Rice Intensification (SRI) among smallholder farmers in Kenya
Date: October 7, 2016
Venue: 160 Mann Library, Cornell University
Sponsor: SRI-Rice, International Programs, CALS, Cornell University, Ithaca, NY
The document summarizes the System of Rice Intensification (SRI) methodology and its water management practice of Alternate Wetting and Drying (AWD). SRI has been shown to increase yields by 30-50% using 90% less seed and 30-50% less water. When combined with AWD, SRI produces rice plants with more tillers, deeper and more extensive roots, and higher productivity compared to conventional rice production with AWD. Research indicates SRI with AWD has higher water productivity and yields than conventional practices with AWD or flooded rice. The document recommends scaling up SRI/AWD through regional efforts with long term government and donor support.
Promoting the Adoption of SRI throughParticipatory Research and Outreach in Kenya SRI - Growing More Rice with Less Water
April 18, 2012, presentation by Prof. Bancy M. Mati
SRI Projects Coordinator
Jomo Kenyatta University of Agriculture & Technology (JKUAT)
Nairobi, Kenya
18th April 2012
Pragati is a non-profit organization established in 1992 in Koraput, Odisha with a vision of building a self-reliant society free from hunger and exploitation. It operates in 13 blocks of Koraput district, focusing on food security through natural resource management, sustainable agriculture using organic practices, women's empowerment, and disaster risk reduction. Between 2008-2013, Pragati promoted System of Rice Intensification (SRI) among 11,304 small farmers across 7,162 acres. It has since expanded SRI to other crops like ragi and applied organic practices for nutrient and pest management. Pragati's work has increased food security, farm incomes, and the adoption of organic techniques among
Presenter: IrsaL Las, A. Gani and N. Widiarta / Indonesia Institute for Rice Research
Audience: World Rice Research Conference, Japan
Subject Country: Indonesia
PowerPoint presented by Fernando Neri, Bolivia, at the First Workshop on the System of Rice Intensification (SRI) in Latin America at EARTH University in Costa Rica, Oct. 31-Nov. 1, 2011
This document discusses options for integrating trees on farms in Malawi and Southern Africa. It outlines how trees can improve soil fertility, provide food, fodder, and fiber, as well as ecosystem services. Specific tree integration options presented include fertilizer trees intercropped with maize, improved fallows, and fodder trees. Data shows that these agroforestry systems can increase maize yields compared to conventional systems and improve resilience during drought. However, tree integration on farms remains low due to challenges such as labor constraints, animal damage, and lack of supportive policies.
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: International Conference on Sustainable Development in the Context of Climate Change- Asian Institute of Technology
Presented on: September 24, 2009
Presentation by Mike McGahuey (Sustainable Agriculture and Natural Resources Management Advisor, USAID) and Jerry Glover (Senior Sustainable Agricultural Systems Advisor, USAID) at the May 15, 2013 event "Natural Resource Management and Food Security for a Growing Population". For more information visit: http://www.wri.org/event/2013/05/natural-resource-management-and-food-security-growing-population
Iran has achieved self-sufficiency in wheat production for the first time in 40 years due to adopting effective soil and crop management practices combined with improved wheat varieties. Key factors contributing to this success include selecting the right strategies through policy coordination, integrating agronomy, crop breeding, and policies, releasing high-yielding varieties, considering water use efficiency and productivity, developing pressurized irrigation systems, adopting conservation agriculture techniques, and guaranteeing market prices for wheat. However, drought, heat, cold, diseases, pests, and weeds remain challenges. Research priorities to further increase production include improving agronomic practices, applying physiology in breeding, developing durable rust resistance, and biotechnology tools like MAS.
This document discusses the System of Rice Intensification (SRI) and its potential benefits for rice production in Indonesia. SRI aims to meet the needs of the rice sector in the 21st century by increasing yields through practices that use less water and agrochemicals while being accessible to poor farmers and environmentally friendly. SRI has been shown to increase yields by 50-100% with 25-50% less water through transplanting young seedlings with wider spacing in unflooded soil and actively aerating the soil. SRI has spread to over 30 countries and been adapted to a variety of conditions through farmer innovation.
Evidence for scaling-up evergreen agriculture to increase productivity and re...africa-rising
Presented by Anthony Kimaro (ICRAF) and Elirehema Swai (ARI-Hombolo) at the Africa RISING East and Southern Africa Research Review and Planning Meeting, Arusha, Tanzania, 1-5 October 2012
This document summarizes the benefits of agroecological practices like the System of Rice Intensification (SRI) for sustainable agriculture. SRI involves transplanting young seedlings with wide spacing to promote root and plant growth through improved soil conditions. Trials in over 50 countries found SRI can double or quadruple yields with less seeds, water, and chemicals. Environmental benefits include reduced water use, higher productivity on existing land, and less reliance on fertilizers and pesticides. SRI also increases resistance to stresses like drought, floods, and pests through healthier root and soil systems.
Presenter: M. H. Emadi
Title: SRI in Iran
Date: June 15, 2016
Venue: Cornell University, Ithaca, NY
Sponsor: SRI-Rice, International Programs, CALS, Cornell University
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: BioVision Alexandria 2010 New Life Sciences: Future Prospects
Date Presented: 04/15/2010
A Global Perspective of Intensification in relation to food security and clim...Sri Lmb
Prof. Norman Uphoff
Professor of Government and International Agriculture
Cornell University, Ithaca, NY 14853
* Director, Cornell Institute for Public Affairs (CIPA), and
* Senior Advisor, SRI International Network and Resources Center (SRI-Rice), Cornell International Institute for Food, Agriculture and Development (CIIFAD)
Impact of climate change on Moroccan agricultureICARDA
1) The document discusses climate change impacts on agriculture in Morocco. It notes that rainfall is becoming more variable and droughts are occurring more frequently, negatively impacting rainfed cereal production.
2) Farmers in the Benslimane province of Morocco are adapting to climate change by changing their sowing dates and crop rotations. Many are shifting to earlier sowing of wheat to avoid drought and pests.
3) Farmers are also increasing the use of new wheat varieties that have shorter growth cycles and are more resistant to drought and diseases. However, small farmers still struggle to adapt to the disruptions caused by climate change.
The document discusses the System of Rice Intensification (SRI) developed in Madagascar, which has led to increased rice yields without external inputs through improved soil and plant management. Key points include: SRI has been validated in over 35 countries, increasing yields by 50-100% on average through practices like transplanting young seedlings in wide spacing and intermittent wetting and drying of soils to encourage root and microbial growth. Studies show SRI methods can work in African countries like The Gambia, Sierra Leone, Guinea, Benin, Rwanda, and Zambia, increasing yields from 1-2 tons/hectare to over 5 tons/hectare.
PowerPoint by Erika Styger, SRI-Rice, Cornell University, New York, presented at the First Workshop on the System of Rice Intensification (SRI) in Latin America at EARTH University in Costa Rica, Oct. 31-Nov. 1, 2011
1) Regenerative agricultural practices like organic farming, agroecology, and agroforestry can draw CO2 out of the atmosphere and store it in soil, providing a natural solution to climate change.
2) Studies show these practices can sequester enough carbon within a decade to reverse current CO2 levels and limit global temperature rise to within 2 degrees Celsius.
3) Organic systems are more resilient during droughts and other weather extremes, maintaining or increasing yields where conventional agriculture suffers, demonstrating an ability to adapt to climate change impacts.
The document discusses the System of Rice Intensification (SRI), a method for growing rice that modifies standard practices to improve yields. SRI involves changing the management of plants, soil, water, and nutrients to support larger, more extensive root systems and promote soil biota. This agroecological management improves the growing environment and yields better rice phenotypes from any genotype using less water, seeds, and other inputs. SRI has led to increased yields of 50-100% or more in many countries along with other benefits like water savings, increased resistance to stresses, and reduced costs, methane emissions, and environmental impacts.
The document summarizes the System of Rice Intensification (SRI) methodology for rice production. SRI aims to meet the needs of rice sector in the 21st century through higher yields, lower water use, lower costs, and greater resilience. It achieves this through growing younger seedlings spaced further apart with intermittent flooding. SRI has been shown to increase yields by 50-100% with 25-50% less water in many countries. It enhances soil quality and rice plant growth through improved soil aeration and organic matter.
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: Panel on Climate Change and Rice Agriculture 3rd International Rice Congress, Hanoi, Vietnam
Presented on: 9 November 2010
Rice cultivation is a major source of methane emissions globally due to the anaerobic conditions in flooded rice fields. Several factors influence the amount of methane emissions from rice fields, including soil type, fertilizer use, water management practices, and rice cultivars. Techniques to mitigate methane emissions from rice include mid-season drainage, direct seeding, use of alternate fertilizers, growing low-methane rice varieties, and improved tillage practices. However, widespread adoption of mitigation strategies faces challenges such as additional costs, potential yield reductions, and cultural barriers. Further interdisciplinary research is needed to develop mitigation options that reduce emissions while maintaining rice production and farmer livelihoods.
Similar to 12106 Mali _ Styger SRI presentation for Cornell class IARD4020 (20)
Authors: Febri Doni and Rizky Riscahya Pratama Syamsuri
Title: System of Rice Intensification in Indonesia: Research adoption and Opportunities
Presented at: The International Conference on System of Crop Intensification (SCI) for Climate-Smart Livelihood and Nutritional Security
Date: December 12-14, 2022
Venue: ICAR, Hyderabad, India
Author: Bancy Mati
Title: Improving Rice Production and Saving Water in Africa
Presented at: The International Conference on System of Crop Intensification for Climate-Smart Livelihood and Nutritional Security (ICSCI22)
Date: December 12-14 2022
Venue: ICAR, Hyderabad, India
Author: Lucy Fisher
Title: Overview of the System of Rice Intensification SRI Around the World
Presented at: The International Conference on The System of Crop Intensification (ICSCI22)
Date: December 12, 2022
This document summarizes research on using System of Rice Intensification (SRI) methods in Iraq to increase water savings and rice yields. The research found that using SRI with 3-day or 7-day intervals between irrigation used 50% and 72% less water than continuous submergence, and increased yields by 20% and 11% respectively. SRI with 3-day intervals also had the highest water productivity and net economic return, making it a promising strategy for Iraq's water-deficit conditions. The document recommends wider adoption of SRI through incentives, mechanization support, and collaboration with water user associations.
(Partial slideset related to the System of Rice Intensification (SRI)
Presentation at COP26, Glasgow, Scotland
Date: November 2021
Presentation by: Ministereo Desarrollo Agropecuario, Panama
This is a presentation about the SRI activities of the LINKS program, Catalysing Economic Growth for Northern Nigeria, which is implemented by Tetra Tech International Development
Author: Tetra Tech International Development
Title: Reduced Methane Emissions Rice Production Project in Northern Nigerian with System of Rice Intensification (SRI)
Date: October 25, 2021
Author: Reinaldo Cardona
Instituto de Investigaciones Agrícolas del estado Portuguesa: UNEFA-Núcleo Portuguesa Universidad Nacional Experimental Politécnica de la Fuerza Armada
Date: 2017
Title: Sistema Intensivo del Cultivo del Arroz para la Producción y Sustentabilidad del Rubro
Willem A. Stoop presents on ecological intensification lessons learned from the System of Rice Intensification (SRI). He discusses two approaches to intensification - conventional using modern varieties, dense planting, irrigation, and chemicals, and ecological using local varieties, low seeding rates, and organic inputs. SRI is presented as an example of an agro-ecological approach using practices like young seedlings, wide spacing, and alternate wetting and drying of soils. SRI results in increased growth, yields, and resilience through enhanced root and soil biology. However, SRI challenges conventional agricultural sciences' focus on increasing planting densities and fertilizer use over soil health and plant spacing.
Speaker: Norman Uphoff
Title: Agroecological Opportunities with the System of Rice Intensification (SRI) and the System of Crop Intensification (SCI)
Date: June 25, 2021
Venue: online, presented in the International Webinar Series on Agroecology and Community Series
Speaker: Khidhir Abbas Hameed,
Al Mishkhab Rice Research Station
Title: System of Rice Intensification SRI
Date: December 9, 2020
Organizer: Central and West Asian Rice Center (CWA Rice)
Venue: online
Author/Presenter: Karla Cordero Lara
Title: Towards a More Sustainable Rice Crop: System of Rice Intensification (SRI) Experience in Chilean Temperate Japonica Rice
Date: November 29-30, 2018
Presented at: The Third International Symposium on Rice Science in Global Health
Venue: Kyoto, Japan
Title: Proyecto IICA - MIDA/ Sistema Intensivo de Arroz (SRI) Evaluación del primer ensayo de validación realizado en coclé para enfrentar al Cambio Climático (alternativa) Localizada en el Sistema de Riego El Caño. Diciembre /2018 - Abril/ 2019 - Octubre/ 2019
Author: Norman Uphoff
Title: Agroecological Management of Soil Systems for Food, Water, Climate Resilience, and Biodiversity
Date: December 6, 2019
Presented at: The Knowledge Dialogue on the Occasion of World Soil Day
Venue: United Nations, New York
Title: Smallholder Rice Production Practice and Equipment: What about the Women?
Presenter: Lucy Fisher
Venue: 2nd Global Sustainable Rice Conference and Exhibition
United Nations Conference Centre, Bangkok Thailand
Date: October 2, 2019
1. African farmers today are more educated, connected, market-oriented, and aware of issues like climate change than previous generations. They are also more open to new ideas and collective action approaches.
2. Efforts to improve agriculture must consider rural-to-urban migration trends in Africa. While migration is driven by rural challenges, the younger generation remaining in rural areas is more educated and eager for progressive agriculture.
3. Things that should be avoided include mechanization tied to large-scale capital-intensive operations, land grabs, and agricultural models that turn farmers into laborers with no opportunity for management roles. Monoculture and large-scale foreign-owned farming should also be avoided.
Authors: Christopher B. Barrett, Asad Islam, Abdul Malek, Deb Pakrashi, Ummul Ruthbah
Title: The Effects of Exposure Intensity on Technology Adoption and Gains: Experimental Evidence from Bangladesh on the System of Rice Intensification
Date: July 21, 2019
Presented at: USDA Multi-state Research Project NC-1034 annual research conference on
The Economics of Agricultural Technology & Innovation
Location: Atlanta, GA
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Main Java[All of the Base Concepts}.docxadhitya5119
This is part 1 of my Java Learning Journey. This Contains Custom methods, classes, constructors, packages, multithreading , try- catch block, finally block and more.
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
How to Make a Field Mandatory in Odoo 17Celine George
In Odoo, making a field required can be done through both Python code and XML views. When you set the required attribute to True in Python code, it makes the field required across all views where it's used. Conversely, when you set the required attribute in XML views, it makes the field required only in the context of that particular view.
Chapter wise All Notes of First year Basic Civil Engineering.pptxDenish Jangid
Chapter wise All Notes of First year Basic Civil Engineering
Syllabus
Chapter-1
Introduction to objective, scope and outcome the subject
Chapter 2
Introduction: Scope and Specialization of Civil Engineering, Role of civil Engineer in Society, Impact of infrastructural development on economy of country.
Chapter 3
Surveying: Object Principles & Types of Surveying; Site Plans, Plans & Maps; Scales & Unit of different Measurements.
Linear Measurements: Instruments used. Linear Measurement by Tape, Ranging out Survey Lines and overcoming Obstructions; Measurements on sloping ground; Tape corrections, conventional symbols. Angular Measurements: Instruments used; Introduction to Compass Surveying, Bearings and Longitude & Latitude of a Line, Introduction to total station.
Levelling: Instrument used Object of levelling, Methods of levelling in brief, and Contour maps.
Chapter 4
Buildings: Selection of site for Buildings, Layout of Building Plan, Types of buildings, Plinth area, carpet area, floor space index, Introduction to building byelaws, concept of sun light & ventilation. Components of Buildings & their functions, Basic concept of R.C.C., Introduction to types of foundation
Chapter 5
Transportation: Introduction to Transportation Engineering; Traffic and Road Safety: Types and Characteristics of Various Modes of Transportation; Various Road Traffic Signs, Causes of Accidents and Road Safety Measures.
Chapter 6
Environmental Engineering: Environmental Pollution, Environmental Acts and Regulations, Functional Concepts of Ecology, Basics of Species, Biodiversity, Ecosystem, Hydrological Cycle; Chemical Cycles: Carbon, Nitrogen & Phosphorus; Energy Flow in Ecosystems.
Water Pollution: Water Quality standards, Introduction to Treatment & Disposal of Waste Water. Reuse and Saving of Water, Rain Water Harvesting. Solid Waste Management: Classification of Solid Waste, Collection, Transportation and Disposal of Solid. Recycling of Solid Waste: Energy Recovery, Sanitary Landfill, On-Site Sanitation. Air & Noise Pollution: Primary and Secondary air pollutants, Harmful effects of Air Pollution, Control of Air Pollution. . Noise Pollution Harmful Effects of noise pollution, control of noise pollution, Global warming & Climate Change, Ozone depletion, Greenhouse effect
Text Books:
1. Palancharmy, Basic Civil Engineering, McGraw Hill publishers.
2. Satheesh Gopi, Basic Civil Engineering, Pearson Publishers.
3. Ketki Rangwala Dalal, Essentials of Civil Engineering, Charotar Publishing House.
4. BCP, Surveying volume 1
Gender and Mental Health - Counselling and Family Therapy Applications and In...PsychoTech Services
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Beyond Degrees - Empowering the Workforce in the Context of Skills-First.pptxEduSkills OECD
Iván Bornacelly, Policy Analyst at the OECD Centre for Skills, OECD, presents at the webinar 'Tackling job market gaps with a skills-first approach' on 12 June 2024
ISO/IEC 27001, ISO/IEC 42001, and GDPR: Best Practices for Implementation and...PECB
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Certified as an ISO/IEC 27001: Information Security Management Systems (ISMS) Lead Implementer, Data Protection Officer, and Cyber Risks Analyst, Denis brings a heightened focus on data security, privacy, and cyber resilience to every endeavor.
His expertise extends across a diverse spectrum of reporting, database, and web development applications, underpinned by an exceptional grasp of data storage and virtualization technologies. His proficiency in application testing, database administration, and data cleansing ensures seamless execution of complex projects.
What sets Denis apart is his comprehensive understanding of Business and Systems Analysis technologies, honed through involvement in all phases of the Software Development Lifecycle (SDLC). From meticulous requirements gathering to precise analysis, innovative design, rigorous development, thorough testing, and successful implementation, he has consistently delivered exceptional results.
Throughout his career, he has taken on multifaceted roles, from leading technical project management teams to owning solutions that drive operational excellence. His conscientious and proactive approach is unwavering, whether he is working independently or collaboratively within a team. His ability to connect with colleagues on a personal level underscores his commitment to fostering a harmonious and productive workplace environment.
Date: May 29, 2024
Tags: Information Security, ISO/IEC 27001, ISO/IEC 42001, Artificial Intelligence, GDPR
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Strategies for Effective Upskilling is a presentation by Chinwendu Peace in a Your Skill Boost Masterclass organisation by the Excellence Foundation for South Sudan on 08th and 09th June 2024 from 1 PM to 3 PM on each day.
Your Skill Boost Masterclass: Strategies for Effective Upskilling
12106 Mali _ Styger SRI presentation for Cornell class IARD4020
1. The System of Rice Intensification
(SRI) – Case study of Mali
Erika Styger, PhD
SRI-Rice, Cornell University
IARD 4020 – Agriculture in Developing Nations
Cornell University, November 16, 2012
2. Importance of rice
• Rice is staple for ½ of world
population
• Agriculture production needs to increase
by 47% by 2050 to feed 9 million people
(OECD, 2012)
• Continuously flooded rice uses 2-3 times
more water than other irrigated
cereals(Bouman et al, 2007)
• Rice paddies contribute to 20% of human
Methane emissions (Yan et al, 2009)
3. World Rice Production 2010
2%
34%
31%
3%
25%
4%
World Rice Production (2010), FAO, viewed 9th October, 2012. (by Chartsbin.com)
4. Total water use by country
Water withdrawal for agricultural, industrial and municipal purposes by
country, includes freshwater as well as groundwater extraction
Source: FAO of the United Nations 2010, AQUASTAT online database, (by ChartsBin.com)
Irrigated rice uses 1/4 – 1/3 of global fresh water withdrawal
(Bouman et al, 2007)
5. Global methane emissions from rice fields
Global Methane
emissions from rice
fields: 25 million
tons/year
Mitigation:
•Through mid-
season drainage,
reduced by 4.1 Tg/y
•Apply straw in off-
season - 4.1 Tg/y,
•both by - 7.6 Tg/y
Estimated annual methane emission from global rice paddies at a spatial resolution of 5min
Xiaoyuan Yan et al (2009), Global Biogeochemical Cycles, Vol 23.
7. Climate-Smart Agriculture
Triple Win
http://www.fao.org/climatechange/climatesmart/en/
Implemented through agro-ecological approaches:
•Conservation agriculture
•Agroforestry
•System of Rice Intensification
•others
8. What is SRI?
• The System of Rice Intensification (SRI) is
a methodology
– For increasing the productivity of irrigated
rice cultivation
– By changing the management of plants,
soil, water and nutrients, while reducing
external inputs.
• Developed in the 1980s in Madagascar by
Father Henri de Laulanié
Source page web: http://sririce.org
9. Main principles of SRI method
1. Early, quick and healthy plant establishment
1. Reduced plant density
1. Organic matter enriched soils– keep soils
aerated – favor soil microbial development
1. Reduced and controlled water applications –
through alternate wetting and drying water
management
10. 6 Main Practices of SRI
1. Single plant /hill
2. Transplant young
seedlings (2 leaf stage)
3. Adopt wide spacing -
planted in a grid
4. Minimum water
application during
vegetative growth
5. Assure soil aeration
6. Use organic amendments
as base fertilization
11. SRI practices induce a
phenotypical change in rice
SRI Conventional SRI Conventional SRI Conventional
in IRAQ’s Al-Mishkhab Research Center, Najaf: SRI on left, Non-SRI on the right
12. Physiological and morphological changes
of SRI plants
• Tillers are thicker (+38%), Plants are higher (+24%)
• More tillers/hill (+100%)
• Greater canopy angle (33° vs 18°)
SRI Non SRI
Thakur, A.K et al (2011) Effects for rice plant morphology and physiology of water and
associated mgt practices of SRI and their implications for crop performance, PAWE 9:13-
13. • Roots are deeper, longer, double the volume and
weight/ hill
Thakur, A.K et al (2011) Effects for rice plant morphology and physiology of water and
associated mgt practices of SRI and their implications for crop performance, PAWE 9:13-
24
Non SRI - flooded SRI – non flooded
Thiyagarajan et al. (2009) Principles and Practices of SRI in Tamil Nadu
14. Yield performance
• More/similar number of
panicles/ m2
• Longer panicles (20%)
• More grains/panicle
• Fewer empty grains
• 1000 grain weight is
heavier
Non-SRI SRI
----- Increased Yields (often >50%)
15. Summary of Benefits
• Yield Increase: often >50%
• Water savings: 30-50%
• Seed reduction: > 90%
• Reduced cost/ha, income increase
• Improved drought tolerance
Mali
Reduced chemical inputs
• Less chemical fertilizer 20-40% (to
100% = organic SRI)
• Improved tolerance towards pests
and diseases
– Pesticide reduction
Sheath blight disease
http://sririce.org
17. 2012: SRI Phenotype effects have been validated in
>50 countries in Asia, Africa , and Latin America
Before 1999: Madagascar
2007: Afghanistan, Brazil, Mali
1999/2000: China, Indonesia
2000/01: Bangladesh, Cuba, Laos, 2008: Rwanda, Costa Rica,
Cambodia, Gambia, India, Nepal, Ecuador, Egypt, Ghana, Japan
Myanmar, Philippines, Sierra Leone, 2009: Malaysia, Timor Leste
Sri Lanka, Thailand 2010: Kenya, DPRK,Panama, Haiti
2002/03: Benin, Guinea, Moz., Peru 2011: Korea, Taiwan, Colombia,
2004/05: Senegal, Pakistan, Tanzania
Vietnam 2012: Burundi, Dominican
2006: Burkina Faso, Bhutan, Iran, Republic, Niger, Nigeria, Togo
Iraq, Zambia
18. CON 3.6 t/ha SRI 9.5 t/ha
CON 5.6 t/ha
SRI 9.3 t/ha
CON 6.5 t/ha
High Altitude,
SRI 9.5 t/ha semi-arid climate
Tropical Climate, Medium Altitude: Tropical Savanna (1700m)
Bhutan Climate, Cuba Afghanistan
CON: 1.8 t/ha
CON: 5.5 t/ha
SRI 4.0 t/ha
SRI 9.1 t/ha Tropical Climate, Low Altitude
Arid Climate, Mali Cambodia – Rainfed SRI
19. Case Study: Mali, Timbuktu region
Sahelo-Saharien and
Saharien climate
• 150-200 mm rain/yr
• Annual mean Temp:
29.1°C (13°- 43°C)
Food Security: >70%
communes are
among most
vulnerable in Mali
20. 2007 - Year 1: Exploratory test
• Africare, Timbuktu region
• 1 farmer
• Farmers from surrounding
villages participate in a field
visit
• Farmers’ recommendations:
To evaluate SRI at larger
scale in 2008
• Yield: SRI : 9 t/ha, Control:
6.7 t/ha
21. 2008 - Year 2: Adapting SRI practices
• Africare and Government agriculture extension service
• 60 farmers in 12 villages in the Timbuktu region
22. Objectives and approaches 2008
• Adapt SRI principles to local
conditions in Timbuktu
• Communities take ownership of
SRI evaluation through
selected volunteer farmers
• Close technical back-stopping,
good data collection, develop
locally adapted SRI manual
• Side by side plot tests
• Exchange visits: farmers
representatives from Ministries,
technical programs, donors etc
23. Irrigated Rice in the Timbuktu region
Village Irrigation Perimeter
30-35 ha - 1 motor pump
Shared among 100 farmers
0.33 ha / farmers
24. Soil preparation
1. Application of manure (10-15 t/ha) 3. Breaking up chunks of soil
2. Soil tilling by hand or tractor 4 Land leveling
25. SRI (dry) Nursery Conventional nursery:
flooded condition
• Mix clay, sand and manure
• Sow after soaking seeds
for 24h
• Seedlings appear after 2
days
• Transplanting after 8 to 12
days (2 leaf-stage)
27. Why plant early?
High tiller production when planted early
35
30 SRI
25
20
15
FP
10
m
h
b
u
n
T
e
r
/
l
i
5
0
12 21 30 40 50 60 70
Days after seed germination
A phyllochron is a regular interval of plant growth, ranging
usually between 5 and 8 days for rice, when plant produces a
unit of plant growth that induces tiller and root formation
SRI plants complete greater number of phyllochrons -- reaching 10th
phyllochron with SRI management vs. 8th phyllochron with Traditional
Practices (Thakur, 2010)
30. SRI Irrigation
During vegetative period
Alternate Wetting and Drying
• Introducing 1-2 cm of water
• Let the plot dry until cracks become
visible
• Introducing another thin layer a water
etc.
31. Cono-weeding
• First weeding at 20 days after
transplanting, repeat every 7 to
10 days
• Incorporates weeds into soil
• Aerates soil
• Stimulates root growth
• Redistributes water across the
plot
32. Fields de Asseydou Alhassane, Hara-Hara
30 days after nursery establishment
SRI
Control
plot
34. Results: Timbuktu 60 farmers 2008
• Yield increase: from 5.5 t/ha to 9.1 t/ha (+66%)
• Less seed required: 85% à 90%
Quantity used for SRI: 6.1 kg/ha
Quantity used under usual farmer practice: 40-60 kg/ha
• Reduced fertilizer use: 30%
• Reduced irrigation water use: 10%
• Reduced production costs / kg paddy: 30%
• Increased revenue per hectare: more than double
(Styger et al, 2011)
36. Outputs of Year 2 activities
Blog: maintained
during cropping
season
Field guide Manual:
adapted to local
conditions of
Timbuktu, in French
Technical season report
http://sri.ciifad.cornell.edu/countries/mali/index.html
37. 2009 – Year 3: Scaling up
3 SRI Projects
– NGO Africare, funded by USAID and Better U Foundation
– IICEM project (Initiatives Intégrées pour la Croissance
Economique au Mali), funded by USAID
– IER (Institut d’Economie Rurale, the National Research
Institution), funded by Syngenta Foundation
in collaboration with the government agricultural extension
and research services
Objectives for 2009
1. Scaling up SRI practices in zones where SRI is already
known
2. Introducing SRI practices into new zones
3. Innovation development associated with SRI practices
38. 2009 - Year 3: Introducing SRI into new zones
Multiple partners at different levels: Africare (Better U Foundation), USAID
funded project IICEM, Syngenta Foundation, National Research,
National Extension Service, WBI videoconference, WB Ag project design
• Timbuktu
– 17 villages, 92 farmers
– Africare, IICEM
• Gao
– 8 villages, 39 farmers
– IICEM
• Mopti
– 6 villages, 44 farmers
– IICEM, IER
• Segou
– 2 villages, 37 farmers
– IER, Syngenta foundation
• Sikasso
– 3 villages, 10 farmers
– IICEM
Total: 5 regions, 36 villages, 222 farmers
39. 2009 Year 3: Scaling up SRI practices
Timbuktu region, Africare and Ministry of Agriculture
• Focus on socio-organization
of communities around SRI
implementations
• From 60 to 270 farmers (2008
to 2009)
• From 12 to 21 villages in
same region (improve area
coverage)
• Regroup SRI plots within
irrigation area: for learning, for
coordinated irrigation, weed
management etc
• Technical support reduced,
more farmer-to-farmer
learning
• Focus on innovative ideas
40. Natural Experiments (monitoring farmers’ fields)
Yields in relation to date of nursery seeding (n=130)
Kg/ha
14000
SRI
Control
12000 Linear (Control)
Linear (SRI)
10000
8000
6000
4000
2000
0
--------- June --------- | ---------- July ------------ | --------7
1 2 3 4 5 6 August 8
---------- 9 --- Sept ---
| 10 11
Seeding date
41. SRI test with Oryza glaberrima varieties
3 Reasons: 1) Food security 2) Taste 3) Biodiversity
8
7
6
7.4 t/ha Moy 4.2 t/ha Moy 4.4 t/ha 2.6t/ha
5
4
3
2
1
0
ou
na
r
E
o
14
u
n
bo
be
w
TR
bo
a
ga
ul
em
ys
Ba
KA
am
be
Bo
Pa
na
D
D
Ko
D
G
ue
iq
at
Pr
Deep water Deep water SRI Rainfed SRI Traditional
improved SRI
rainfed
43. Rainfed SRI Southern Mali
Yields SRI : 4.2 t/ha
Control: 3.0 t/ha
= 40% increase
Practices
– Single plant/hill yes
– Young seedlings – direct seeding yes
– Increased spacing yes
– Planting in line, grid pattern yes
– Mechanical weeding dryland weeder
– Improving soils with organic matter method
– Controlled water management no
44. SRI in 2010, 2011 and 2012 in Mali and beyond
• In 2010: First National workshop on SRI in Mali
• More than 50 well trained technicians in Mali
• Funding and coordination problems
• In 2011 (Year 5)
– Irrigated Rice: 340 ha, 3250 farmers, average yields 8.4
t/ha,
– Rainfed rice: 235 ha, 820 farmers, average yields 2.5
t/ha
• Since 2010: Regional SRI trainings organized from Mali by
IICEM project, NGO Africare, Regional Project E-ATP,
Burkina):
Benin, Burkina Faso, Ghana, Nigeria, Niger, Togo,
Senegal.
45. SRI West Africa Initiative
• July 2012 First West Africa Workshop: 13 ECOWAS
countries to develop a West Africa SRI Network
http://sri.ciifad.cornell.edu/news/featured08.html
• Organized by National Center of Specialization on Rice, Mali
(under World Bank WAAPP program), SRI-Rice Cornell
University, CORAF/WECARD, Oxfam America
• Proposal under development for World Bank WAAPP
funding
46. Conclusions on Mali Case Study 1
• Agro-ecological methods need to be
developed in farmers’ fields
• ‘Volunteer’ participation in the adoption and
scaling up process is more sustainable (but
less predictable)
• Good technical back-stopping, data
collection and reporting is essential for
success
47. Conclusions on Mali Case Study II
• Drawback: Development programs can often
not respond well to bottom-up initiatives, are
often too short term oriented, and output
oriented
• Funding becomes a big challenge
• Coordination is necessary with growing
number of stakeholders (needs funding)
• Success depends also on leadership and
individuals
48. Web-based resources at
SRI-Rice Cornell University
http://sri.ciifad.cornell.edu or
http://sririce.org
•Information on 50 countries
•Practical Manuals on SRI
•Research site
•Daily news, blog, twitter, facebook
•Photo, Video, Powerpoint collections
Contact: Erika Styger, eds8@cornell.edu;
sririce@cornell.edu
Editor's Notes
Favor early, quick and healthy plant establishment Seed selection Nursery: conducive to fast plant development Reduce age of seedlings – or eventually direct seeding Reduce plant population Optimize the influence of environmental factors for the productivity of the plant (sun, water, nutrients, improved soils) Enrich soils with organic matter – keep soils aerated better substrate for roots, soil microbes, nutrient and water holding capacity Optimum water management for plant development
Vietnam: October 2011: Over 1 Mio farmers (70% women) applying SRI on > 185,000 hectares India: 2011: 250,000 farmers Cambodia : 2010: 130,000 farmers; yield increases between 30-150%, Ministry of Agriculture included SRI in national strategy in 2006, SRI Secretariat to coordinate and promote SRI
A phyllochron is a regular interval of plant growth, ranging usually between 5 and 8 days for rice. In this period, the plant produces one or more phytomers, each phytomer being a unit of plant growth in which a coordinated set of tiller, leaf and root that grow synchronously upward and downward from the plant's meristematic tissue, as described by Nemoto et al. (1995).