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.
Presenter: Norman Uphoff
Title: Agroecological Strategies for Raising Crop Productivity with Reduced Inputs, with Less Water Requirement, and with Buffering of Climate-Change Stresses
Date: April 10, 2014
Venue: Agricultural Research Center, Sakha, Kafr El-Sheikh, Egypt
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
Author: Norman Uphoff
Title: Opportunities to Raise Agricultural Production with Water-Saving and with Climate-Change Resilience for Diverse Crops and CountriesOpportunities to Raise Agricultural Production with Water-Saving and with Climate-Change Resilience for Diverse Crops and Countries
Presented at: The Brown Bag Lunch with Foreign Agricultural Service, USDA
Date: November 6, 2017
Venue: FAS/USDA, Washington D.C.
Authors: Amod K. Thakur and Norman Uphoff
Title: 1707 - Climate Smart agriculture: How modified crop/water management with SRI can contribute to climate-resilience and higher water productivity
Date: October 23-25, 2017
Presented at: 2017 Annual Meetings of ASA-CSSA-SSSA on ‘Managing Global Resources for a Secure Future
Venue: Tampa, Florida, USA
Title: Development of integrated rice-azolla-duck-fish farming systems with SRI methods for rice production in the Mekong River region, Vietnam
Presenter: Nghia Nguyen Soil Biology Laboratory, Department of Soil Science, College of Agriculture & Applied Biology, Cantho University, Cantho City, Vietnam
Venue: Cornell University
Date: July 1, 2015
Presenter: Norman Uphoff
Title: Agroecological Strategies for Raising Crop Productivity with Reduced Inputs, with Less Water Requirement, and with Buffering of Climate-Change Stresses
Date: April 10, 2014
Venue: Agricultural Research Center, Sakha, Kafr El-Sheikh, Egypt
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
Author: Norman Uphoff
Title: Opportunities to Raise Agricultural Production with Water-Saving and with Climate-Change Resilience for Diverse Crops and CountriesOpportunities to Raise Agricultural Production with Water-Saving and with Climate-Change Resilience for Diverse Crops and Countries
Presented at: The Brown Bag Lunch with Foreign Agricultural Service, USDA
Date: November 6, 2017
Venue: FAS/USDA, Washington D.C.
Authors: Amod K. Thakur and Norman Uphoff
Title: 1707 - Climate Smart agriculture: How modified crop/water management with SRI can contribute to climate-resilience and higher water productivity
Date: October 23-25, 2017
Presented at: 2017 Annual Meetings of ASA-CSSA-SSSA on ‘Managing Global Resources for a Secure Future
Venue: Tampa, Florida, USA
Title: Development of integrated rice-azolla-duck-fish farming systems with SRI methods for rice production in the Mekong River region, Vietnam
Presenter: Nghia Nguyen Soil Biology Laboratory, Department of Soil Science, College of Agriculture & Applied Biology, Cantho University, Cantho City, Vietnam
Venue: Cornell University
Date: July 1, 2015
Authors: Amod K. Thakur, K.G. Mandal, R.K. Mohanty and S.K. Ambast
Title: Impacts of cultivation practices and water management in the post-vegetative stage on rice grain yield and water productivity
Presented at: 2017 International Annual Meetings of ASA-CSSA-SSSA on ‘Managing Global Resources for a Secure Future’
Date: October 22-25, 2017
Venue: Tampa, Florida
Title: Conservation Agriculture and the System of Rice Intensification
Presented by: Erika Styger
Presented at: Special Exhibit/Event on Rice Production at Agritechnica
Venue and Date: Hannover, Germany November 15, 2013
Irrigation experiments of cocoa tend to concentrate on yield of matured cocoa trees compared to field establishment of young seedlings. Seedling survival leading to optimum population density are fundamental to obtaining maximum yield of crops. The aim of this experiment was to determine the effect of mulching and irrigation on survival of hybrid cocoa clone raised in three different growing media during the establishment phase. The experimental design was a 2 x 2 x 3 factorial arranged in a split-split plot design, with irrigation as the main plot factor, mulching as the subplot factor and growing media as the sub-sub plot factor with three replications. Cocoa pod husk (CPH) was used as the mulching material and each plant received 5kg at a rate of 5.6 t/ha. Irrigation was done daily by applying 4L of water except when it rains. Data was collected on soil moisture, plant height, leaf number, stem girth and plant survival. Results indicated that irrigation and mulching significantly (P<0.01) enhanced soil moisture. Cocoa seedlings raised in topsoil, mulched and irrigated significantly (P<0.05) increased survival rate (94.5%) compared to seedlings raised in soil without irrigation and no mulching (47.1%). Similarly, the survival rate of seedlings raised in growing media M2, mulched and irrigated (93.0%) was significantly (P<0.05) higher than similar seedlings without irrigation (73.4%). However, the survival rate of seedlings raised in M3 without mulching but irrigated was significantly (<0.05) higher 92.1% compared to seedlings raised in M3 mulched and irrigated 67.1%. Irrigation is very important in ensuring high survival rate during early field establishment. Mulching with cocoa pod husk without irrigation did not improve cocoa seedling survival.
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: 12th European Rice Millers Convention. Venice
Presented on: September 18, 2009
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
PhD research presentation at the workshop of the Climate Food and Farming Network, Dec. 2-4 at Aarhus University, Foulum. The Climate Food and Farming Network is an initiative of Copenhagen U., Aarhus U., and the CGIAR Research Program on Climate Change, Agriculture and Food Security.
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
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
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
An excellent presentation on System of Rice Intensification.
Uphoff, N.T. - "Increasing Water Savings while Raising Rice Yields with the System of Rice Intensification (SRI)", presented for Panel on Water Productivity and Reuse at the 2nd International Rice Congress New Delhi, October 9-13, 2006. (see also accompanying
Original Source: http://www.wassan.org/sri/Useful_Links.htm#Videos%20and%20Slide%20Presentations
Presenting the key points, the technicalities, and statistics with lots of image sources, and case studies across the globe.
Authors: Amod K. Thakur, K.G. Mandal, R.K. Mohanty and S.K. Ambast
Title: Impacts of cultivation practices and water management in the post-vegetative stage on rice grain yield and water productivity
Presented at: 2017 International Annual Meetings of ASA-CSSA-SSSA on ‘Managing Global Resources for a Secure Future’
Date: October 22-25, 2017
Venue: Tampa, Florida
Title: Conservation Agriculture and the System of Rice Intensification
Presented by: Erika Styger
Presented at: Special Exhibit/Event on Rice Production at Agritechnica
Venue and Date: Hannover, Germany November 15, 2013
Irrigation experiments of cocoa tend to concentrate on yield of matured cocoa trees compared to field establishment of young seedlings. Seedling survival leading to optimum population density are fundamental to obtaining maximum yield of crops. The aim of this experiment was to determine the effect of mulching and irrigation on survival of hybrid cocoa clone raised in three different growing media during the establishment phase. The experimental design was a 2 x 2 x 3 factorial arranged in a split-split plot design, with irrigation as the main plot factor, mulching as the subplot factor and growing media as the sub-sub plot factor with three replications. Cocoa pod husk (CPH) was used as the mulching material and each plant received 5kg at a rate of 5.6 t/ha. Irrigation was done daily by applying 4L of water except when it rains. Data was collected on soil moisture, plant height, leaf number, stem girth and plant survival. Results indicated that irrigation and mulching significantly (P<0.01) enhanced soil moisture. Cocoa seedlings raised in topsoil, mulched and irrigated significantly (P<0.05) increased survival rate (94.5%) compared to seedlings raised in soil without irrigation and no mulching (47.1%). Similarly, the survival rate of seedlings raised in growing media M2, mulched and irrigated (93.0%) was significantly (P<0.05) higher than similar seedlings without irrigation (73.4%). However, the survival rate of seedlings raised in M3 without mulching but irrigated was significantly (<0.05) higher 92.1% compared to seedlings raised in M3 mulched and irrigated 67.1%. Irrigation is very important in ensuring high survival rate during early field establishment. Mulching with cocoa pod husk without irrigation did not improve cocoa seedling survival.
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: 12th European Rice Millers Convention. Venice
Presented on: September 18, 2009
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
PhD research presentation at the workshop of the Climate Food and Farming Network, Dec. 2-4 at Aarhus University, Foulum. The Climate Food and Farming Network is an initiative of Copenhagen U., Aarhus U., and the CGIAR Research Program on Climate Change, Agriculture and Food Security.
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
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
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
An excellent presentation on System of Rice Intensification.
Uphoff, N.T. - "Increasing Water Savings while Raising Rice Yields with the System of Rice Intensification (SRI)", presented for Panel on Water Productivity and Reuse at the 2nd International Rice Congress New Delhi, October 9-13, 2006. (see also accompanying
Original Source: http://www.wassan.org/sri/Useful_Links.htm#Videos%20and%20Slide%20Presentations
Presenting the key points, the technicalities, and statistics with lots of image sources, and case studies across the globe.
Presenter: T.M. Thiyagarajan
Institution: Agricultural College & Research Institute Killikulam, Vallanadu 628 252 Tamil Nadu
Presented at: World Rice Research Conference, Tsukuba, Japan
Subject Country: Tamil Nadu, India
Author: Norman Uphoff
Title: Improving Food Production for Health in a Water-Constrained World: Opportunities from Agroecological Knowledge and Experience (SRI)
Presented at: Water for Health Lecture Series, Nebraska Water Center
Date: February 24, 2016
Presented by: Norman Uphoff, Cornell University
Presented at: Workshop on Carbon Markets: Expanding Opportunities & Valuing Co-Benefits, organized by the Soil & Water Conservation Society and the National Wildlife Federation
Presented on: July 21, 2010
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: BioVision Alexandria 2010 New Life Sciences: Future Prospects
Date Presented: 04/15/2010
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
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
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: ECHO Conference on Asian Agriculture Chiangmai, Thailand
Presented on: September 21, 2009
Title: Insights into Plant-Microbial Symbiosis and Implications for Sustainable Agriculture –Giving Attention to ‘Inner Space’
Date: 26 January 2013
Presented by Norman Uphoff at the National Institute for Agricultural and Forestry Research (IDIAP), Santo Domingo, Domincan Republic
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: Rice Research and Training Institute, Kafr-el-Sheikh
Date Presented: 04/14/2010
Similar to 0907 African Agriculture in the 21st Century: Meeting the Challenges, Making a Sustainable Green Revolution (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
Author: Khidhir Abbas Hameed
Title: Estimated Water Savings, Yield and Income Benefits from Using SRI Methods in Iraq
Event: International Conference on System of Crop Intensification (ICSCI2022)
Date: December 12-14, 2022
(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
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
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
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
Author: Pascal Gbenou
Title: Rice cultivation in Africa: How traditional practices relate to modern opportunities
Date: June 26-29, 2019
Presented at: The International Rice Development Conference and Seminar on China-Africa Development
Location: Changsha, China
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
Author: Bancy Mati
Title: Improving Productivity of Rice under Water Scarcity in Africa: The Case for the System of Rice Intensification
Date: June 26-29, 2019
Presented at: The International Rice Development Conference and Seminar on China-Africa Development
Location: Changsha, China
Author: Miguel Aguero
Title: SRI en Venezuela - Resena Historica de la Parcela 234
Venue: Online (webinar): Sistema Intensivo de Cultivo de Arroz (SRI) - Experiencia Venezuela
Date: February 15, 2019
Organized by: Inter-American Institute for Cooperation on Agriculture (IICA)
(Author: Nestlé)
Title: SRI en Venezuela - Informe Resultados SICA Parcela 75 Norte Verano Calabozo 2018
Venue: Online (webinar): Sistema Intensivo de Cultivo de Arroz (SRI) - Experiencia Venezuela
Date: February 15, 2019
Organized by: Inter-American Institute for Cooperation on Agriculture (IICA)
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0907 African Agriculture in the 21st Century: Meeting the Challenges, Making a Sustainable Green Revolution
1. High-Level CSD Inter-sessional Meeting: African Agriculture in the 21 st Century: Meeting the Challenges, Making a Sustainable Green Revolution Windhoek, Namibia February 9-10, 2009
2. I ntegrating New Knowledge and Experience in Soil and Crop Sciences to Achieve More Productive and Sustainable Agriculture in Africa: Learning from the System of Rice Intensification (SRI) from Madagascar Norman Uphoff Cornell University
3. Story of SRI from Madagascar The System of Rice Intensification (also known as le Systéme de Riziculture Intensive ) was developed in Madagascar in the 1980s by Fr. Henri de Laulanié, SJ, after two decades of working with small farmers to improve their production and incomes without need for buying commercial inputs
4. Fr. de Laulani é making field visit before his death in 1995
14. ‘ Ascending Migration of Endophytic Rhizobia, from Roots and Leaves, inside Rice Plants and Assessment of Benefits to Rice Growth Physiology’ Feng Chi et al., Applied and Envir. Microbiology 71 (2005), 7271-7278 Rhizo-bium test strain Total plant root volume/ pot (cm 3 ) Shoot dry weight/ pot (g) Net photo-synthetic rate (μmol -2 s -1 ) Water utilization efficiency Area (cm 2 ) of flag leaf Grain yield/ pot (g) Ac-ORS571 210 ± 36 A 63 ± 2 A 16.42 ± 1.39 A 3.62 ± 0.17 BC 17.64 ± 4.94 ABC 86 ± 5 A SM-1021 180 ± 26 A 67 ± 5 A 14.99 ± 1.64 B 4.02 ± 0.19 AB 20.03 ± 3.92 A 86 ± 4 A SM-1002 168 ± 8 AB 52 ± 4 BC 13.70 ± 0.73 B 4.15 ± 0.32 A 19.58 ± 4.47 AB 61 ± 4 B R1-2370 175 ± 23 A 61 ± 8 AB 13.85 ± 0.38 B 3.36 ± 0.41 C 18.98 ± 4.49 AB 64 ± 9 B Mh-93 193 ± 16 A 67 ± 4 A 13.86 ± 0.76 B 3.18 ± 0.25 CD 16.79 ± 3.43 BC 77 ± 5 A Control 130 ± 10 B 47 ± 6 C 10.23 ± 1.03 C 2.77 ± 0.69 D 15.24 ± 4.0 C 51 ± 4 C
15.
16.
17. Up to 1999: SRI was known and practiced only in Madagascar
18. SRI benefits have been demonstrated in 34 countries in Asia, Africa, and Latin America Before 1999: Madagascar 1999-2000: China, Indonesia 2000-01: Bangladesh, Cuba Cambodia, Gambia, India, Laos, Myanmar, Nepal, Philippines, Sierra Leone, Sri Lanka, Thailand 2002-03: Benin, Guinea, Mozambique, Peru 2004-05: Senegal, Mali, Pakistan, Vietnam 2006: Burkina Faso, Bhutan, Iran, Iraq, Zambia 2007: Afghanistan, Brazil 2008: Egypt, Rwanda, Costa, Rica, Ecuador, Timor Leste > 1 million farmers/acres 2009: SRI benefits have been validated in 35 countries of Asia, Africa, and Latin America
27. THE GAMBIA: SRI trial plot at Sapu Agricultural Research Station, 2000
28. Dr. Mustapha Ceesay, Director of Research and Development, National Agricultural Research Institute, in SRI plot at Sapu
29. “ The effects of repeated soil wetting and drying on lowland rice yield with System of Rice Intensification (SRI) methods” Mustapha Ceesay, W.S. Reid, E.C.M. Fernandes, and N. Uphoff INTL. JOURNAL OF AGRIC. SUSTAINABILITY (2006) Data reported are average for 3 cultivars (ET 3137, ITA 306, BG90-2) from 3 seasons (2000, 2001, 2002) METHOD (water applied) Spacing Yield (tons/ha) Water productivity (kg/water) Total production cost ($/ha) Net returns ($/ha) CONTIN. FLOODING (1800 mm) 20x20 2.5 0.14 120 105 30x30 1.7 0.09 115 38 40x40 1.3 0.07 110 7 Average 1.8 0.10 115 50 SRI (1000 mm) 20x20 7.3 0.73 120 537 30x30 6.6 0.66 110 484 40x40 4.7 0.47 105 318 Average 6.2 0.62 112 446
30. SIERRA LEONE: USAID magazine, Reintegration , 2/6/04 February 6, 2004 New Techniques Improve Rice Harvest in Rural Sierra Leone A new "System of Rice Intensification“ being promoted in lowland swamps by USAID partner World Vision is improving rice harvests in rural Sierra Leone. In Wanjama village, the rice harvest is bountiful this year, thanks to the System of Rice Intensification (SRI) introduced around the rural Kono area by USAID-sponsored non-governmental Agency World Vision. By using good-quality seeds from the southern districts of Sierra Leone, 6 kg of rice are typically producing 55-60 bushels of rice, a harvest that is being celebrated in the area as farmers resume their agricultural activities after the war.....
31. Data are from reports of 8 groups, each with 20 members, so the total number of farmer results was 160. Yield and yield components of rice grown with SRI and farmers ’ practice, World Vision program, Sierra Leone, 2001 SRI Techniques (N=8) Farmer Techniques (N=8) Mean Range Mean Range Hills/m 2 16 10 – 25 52 42 – 64 Tillers/hill 38 20 – 69 8.6 8 – 9 Panicles/hill 28 20- 45 6.5 6-7 Spikes/panicle 122 118 – 149 95 83 - 120 Yields (t/ha) 5.3 4.9 – 7.4 2.5 1.9 – 3.2
32. GUINEA: Test plot using SRI methods with Chinese hybrid variety – yield of 9.2 t/ha, 2003
33. MALI : SRI training program in Goundam circle, Timbuktu region, 2007
35. Shorter crop cycle by 1-2 weeks SRI SRI SRI Control Control Control Plant development with SRI, 2008
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38. Land preparation Land was leveled in readiness for water management and seedling transplanting. Pegs and measuring ropes were used to determine field size: 12.5 x 12.5 m. Field preparation was by hoes, shovels and rakes using human labor.
39. Nursery management Sowing of seed in the nursery was on 10 th December 2005, followed by careful watering, using tin cans. Weeds were removed by hand.
40. Transplantation Transplanting was done 25 th December 2005, 15 days after sowing of the seeds in nursery. Seedlings had 2-3 leaves, spacing 25x25 cm.
41. Water management Zambia experiences annual rainfall of about 1,400 mm. However, there is the danger of water shortages. A dam was dug to supplement rainwater for SRI field. The field was kept wet for 6-7 days and was subsequently dried for 4 days.
42. Demonstration SRI plot at Solwezi in Northwest Province, >300 persons came to see harvest of yield (6.144 t/ha)
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44. SRI RAGI (FINGER MILLET), Rabi 2004-05 60 days after sowing – Varieties 762 and 708 VR 762 VR 708 10 15 21* *Age at which seedlings were transplanted from nursery Results of trials done by ANGRAU
45. SRI Ideas being Extended to Other Crops: Uttarakhand / Himachal Pradesh, India Rajma (kidney beans) Manduwa (millet) Crop No. of Farmers Area (ha) Grain Yield (t/ha) % Incr. 2006 Conv. SRI Rajma 5 0.4 1.4 2.0 43 Manduwa 5 0.4 1.8 2.4 33 Wheat Research Farm 5.0 1.6 2.2 38 2007 Rajma 113 2.26 1.8 3.0 67 Manduwa 43 0.8 1.5 2.4 60 Wheat (Irrig.) 25 0.23 2.2 4.3 95 Wheat (Unirrig.) 25 0.09 1.6 2.6 63
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Editor's Notes
This picture was provided by Association Tefy Saina, showing Fr. de Laulanie the year before his death in 1995, at age 75.
These are the president and secretary of Association Tefy Saina, the NGO set up by Fr. de Laulanie, Sebastien, Justin and some other Malagasies in 1990 to promote SRI and rural development in Madagascar more generally.
This is the most simple description of what SRI entails. Transplanting is not necessary since direct seeding, with the other SRI practices, also produces similarly good results. The principle of SRI is that if transplanting is done , very young seedling should be used, and there should be little or no trauma to the young plant roots. These are often ‘abused’ in transplanting process, being allowed to dry out (desiccate), or are knocked to remove soil, etc.
This is the most simple description of what SRI entails. Transplanting is not necessary since direct seeding, with the other SRI practices, also produces similarly good results. The principle of SRI is that if transplanting is done , very young seedling should be used, and there should be little or no trauma to the young plant roots. These are often ‘abused’ in transplanting process, being allowed to dry out (desiccate), or are knocked to remove soil, etc.
This is the most simple description of what SRI entails. Transplanting is not necessary since direct seeding, with the other SRI practices, also produces similarly good results. The principle of SRI is that if transplanting is done , very young seedling should be used, and there should be little or no trauma to the young plant roots. These are often ‘abused’ in transplanting process, being allowed to dry out (desiccate), or are knocked to remove soil, etc.
These data were reported in Prof. Robert Randriamiharisoa's paper in the Sanya conference proceedings. They give the first direct evidence to support our thinking about the contribution of soil microbes to the super-yields achieved with SRI methods. The bacterium Azospirillum was studied as an &quot;indicator species&quot; presumably reflecting overall levels of microbial populations and activity in and around the plant roots. Somewhat surprisingly, there was no significant difference in Azospirillum populations in the rhizosphere. But there were huge differences in the counts of Azospirillum in the roots themselves according to soil types (clay vs. loam) and cultivation practices (traditional vs. SRI) and nutrient amendments (none vs. NPK vs. compost). NPK amendments with SRI produce very good results, a yield on clay soil five times higher than traditional methods with no amendments. But compost used with SRI gives a six times higher yield. The NPK increases Azospirillum (and other) populations, but most/much of the N that produced a 9 t/ha yield is coming from inorganic sources compared to the higher 10.5 t/ha yield with compost that depends entirely on organic N. On poorer soil, SRI methods do not have much effect, but when enriched with compost, even this poor soil can give a huge increase in production, attributable to the largest of the increases in microbial activity in the roots. At least, this is how we interpret these findings. Similar research should be repeated many times, with different soils, varieties and climates. We consider these findings significant because they mirror results we have seen in other carefully measured SRI results in Madagascar. Tragically, Prof. Randriamiharisoa, who initiated this work, passed away in August, 2004, so we will no longer have his acute intelligence and probing mind to advance these frontiers of knowledge.
This is the most simple description of what SRI entails. Transplanting is not necessary since direct seeding, with the other SRI practices, also produces similarly good results. The principle of SRI is that if transplanting is done , very young seedling should be used, and there should be little or no trauma to the young plant roots. These are often ‘abused’ in transplanting process, being allowed to dry out (desiccate), or are knocked to remove soil, etc.
This is the most simple description of what SRI entails. Transplanting is not necessary since direct seeding, with the other SRI practices, also produces similarly good results. The principle of SRI is that if transplanting is done , very young seedling should be used, and there should be little or no trauma to the young plant roots. These are often ‘abused’ in transplanting process, being allowed to dry out (desiccate), or are knocked to remove soil, etc.
This is the most simple description of what SRI entails. Transplanting is not necessary since direct seeding, with the other SRI practices, also produces similarly good results. The principle of SRI is that if transplanting is done , very young seedling should be used, and there should be little or no trauma to the young plant roots. These are often ‘abused’ in transplanting process, being allowed to dry out (desiccate), or are knocked to remove soil, etc.
This is the most simple description of what SRI entails. Transplanting is not necessary since direct seeding, with the other SRI practices, also produces similarly good results. The principle of SRI is that if transplanting is done , very young seedling should be used, and there should be little or no trauma to the young plant roots. These are often ‘abused’ in transplanting process, being allowed to dry out (desiccate), or are knocked to remove soil, etc.
This is the most simple description of what SRI entails. Transplanting is not necessary since direct seeding, with the other SRI practices, also produces similarly good results. The principle of SRI is that if transplanting is done , very young seedling should be used, and there should be little or no trauma to the young plant roots. These are often ‘abused’ in transplanting process, being allowed to dry out (desiccate), or are knocked to remove soil, etc.
This is the most simple description of what SRI entails. Transplanting is not necessary since direct seeding, with the other SRI practices, also produces similarly good results. The principle of SRI is that if transplanting is done , very young seedling should be used, and there should be little or no trauma to the young plant roots. These are often ‘abused’ in transplanting process, being allowed to dry out (desiccate), or are knocked to remove soil, etc.
Picture provided by Mr. Shichi Sato, project leader for DISIMP project in Eastern Indonesia (S. Sulawasi and W. Nusa Tenggara), where > 1800 farmers using SRI on >1300 ha have had 7.6 t/ha average SRI yield (dried, unhusked paddy, 14% moisture content), 84% more than the control plots, with 40% reduction in water use, and 25% reduction in the costs of production.
SRI is often hard to accept because it does not depend on either of the two main strategies that made the Green Revolution possible. It does not require any change in the rice variety used (genotype) or an increase in external inputs. Indeed, the latter can be reduced. SRI methods improve the yields of all rice varieties evaluated so far – modern and traditional, improved and local. The highest yields have been attained with HYVs and hybrid varieties (all SRI yields >15 t/ha), but ‘unimproved’ varieties can give yields in the 6-12 t/ha range when soil has been improved through SRI methods, so give the higher market price for these latter varieties, growing them can be more profitable for farmers.
Picture provided by Rajendra Uprety, District Agricultural Development Office, Morang District, Nepal. Again, this is a single SRI plant grown from a single seed.
Tefy Saina is more comfortable communicating in French language, but it can communicate in English and reads English very well. CIIFAD maintains worldwide contacts on SRI through the internet. Queries are invited, directed to CIIFAD generally or to Norman Uphoff specifically. The SRI web page maintained by CIIFAD in cooperation with Tefy Saina has recent information on SRI experience in countries around the world.