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)
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
Presented By: Tareke Berhe, Ayele G. Ayetenfisu,
Zewdie Gebretsadik, and Norman Uphoff
Title: The System of Tef Intensification:
Opportunities for greater food security in Ethiopia, and elsewhere, through modifications in crop management
Date: October 13, 2015
Venue: 2nd International Conference on Global Food Security, Cornell University
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
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
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
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
Presented By: Tareke Berhe, Ayele G. Ayetenfisu,
Zewdie Gebretsadik, and Norman Uphoff
Title: The System of Tef Intensification:
Opportunities for greater food security in Ethiopia, and elsewhere, through modifications in crop management
Date: October 13, 2015
Venue: 2nd International Conference on Global Food Security, Cornell University
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
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
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: IrsaL Las, A. Gani and N. Widiarta / Indonesia Institute for Rice Research
Audience: World Rice Research Conference, Japan
Subject Country: Indonesia
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
Presenter: K. N. Bhatt
Title: Finger Millet for Nutrition, Health and Ecological Security: SFMI
Date: June 5, 2015
Venue: Cornell University, Ithaca, NY
Sponsor: SRI-Rice
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
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
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
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
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
Title: The System of Rice Intensification (SRI) in the Context of ‘Sustainable Crop Production Intensification’ and Adaptation to Climate Change
Presenter: Norman Uphoff
Presented at the FAO's Asia Regional Office
Date: April 11, 2013
Title: The System of Tef Intensification (STI): Modifying crop management for greater food security in Ethiopia
Poster by: Tareke Berhe, Ayele G. Ayetenfisu,
Zewdie Gebretsadik, and Norman Uphoff
Date: October 13, 2015
[Poster presented at the 2nd International Conference on Global Food Security at Cornell University.]
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
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.
Title: 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
Presenter: IrsaL Las, A. Gani and N. Widiarta / Indonesia Institute for Rice Research
Audience: World Rice Research Conference, Japan
Subject Country: Indonesia
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
Presenter: K. N. Bhatt
Title: Finger Millet for Nutrition, Health and Ecological Security: SFMI
Date: June 5, 2015
Venue: Cornell University, Ithaca, NY
Sponsor: SRI-Rice
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
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
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
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
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
Title: The System of Rice Intensification (SRI) in the Context of ‘Sustainable Crop Production Intensification’ and Adaptation to Climate Change
Presenter: Norman Uphoff
Presented at the FAO's Asia Regional Office
Date: April 11, 2013
Title: The System of Tef Intensification (STI): Modifying crop management for greater food security in Ethiopia
Poster by: Tareke Berhe, Ayele G. Ayetenfisu,
Zewdie Gebretsadik, and Norman Uphoff
Date: October 13, 2015
[Poster presented at the 2nd International Conference on Global Food Security at Cornell University.]
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
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.
Title: 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
Are you losing the drive to keep up with your goals?
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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, 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
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: 12th European Rice Millers Convention. Venice
Presented on: September 18, 2009
Presented by: Norman Uphoff, CIIFAD, Cornell University, USA
Presented at: BioVision Alexandria 2010 New Life Sciences: Future Prospects
Date Presented: 04/14/2010
Conservation agriculture (CA) refers to a set of agricultural practices encompassing minimum mechanical soil disturbance, diversified crop rotation and permanent soil cover with crop residues to mitigate soil erosion and improve soil fertility besides soil functions. The CA aims to conserve, improve and make more efficient use of resources through CA-based technologies. It has many tangible and intangible benefits in terms of reduced cost of production, saving of time, increased yield through timely planting, improved water productivity, adaptation to climate variability, reduced disease and pest incidence through stimulation of biological diversity, reduced environmental footprints and ultimately improvements in soil health. However, weeds are a major biotic interference in CA, posing big defy towards its success unless all the principles are completely followed. Development of post-emergence herbicide and growing herbicide-tolerant crops and also the retention of crop residues as a mulch help in managing weed problems and also improve soil moisture retention. Furthermore, this practice of agriculture improves soil organic carbon content which ultimately leads to an increase in input use efficiency.
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
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Presented on: September 21, 2009
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Date: December 6, 2019
Presented at: The Knowledge Dialogue on the Occasion of World Soil Day
Venue: United Nations, New York
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A Global Perspective of Intensification in relation to food security and climate change adaptation
1. A Global Perspective on
Intensification in Relation to
Achieving Food Security and
Climate Change Adaptation
Norman Uphoff, Cornell University
Inception Workshop, AIT, April 9, 2013
Asian Center of Innovation for
Sustainable Agricultural Intensification
2. Need to Change the Concepts and
the Practices of ‘Intensification’
So far this strategy has been based on:
• Intensification of ENERGY inputs –
increased mechanization
• Intensification of CHEMICAL inputs --
inorganic fertilizer and agrochemical
crop protection
• Intensification of WATER inputs –
widespread irrigation
• Intensification of CAPITAL inputs –
ever-increasing investment
3. In the 21st Century, We Face Changing
Conditions for Agriculture
• Costs of ENERGY inputs are now higher
and availability is less certain; also see
negative environmental externalities
• Costs of fossil-fuel-based CHEMICAL
inputs are rising, and we are seeing
adverse effects on soil and water quality
• The amounts and reliability of WATER
for agriculture are becoming more
problematic, limiting and costly
• Climate change presents many hazards
incl. increasing pest & disease problems
4.
5. The World -- and particularly Asia --
Needs ‘a New Intensification’
• Rather than continue with a strategy of
achieving MORE OUTPUT form MORE INPUTS
• We need to learn how we can produce MORE
OUTPUT with REDUCED INPUTS – relying
more on nature’s processes than on our own
• This is not possible within MECHANICAL
frameworks – zero-sum, even negative-sum
• It is possible within a BIOLOGICAL matrix ----
positive-sum, capitalizing on sun’s energy
• There is need for a major shift in paradigms
6. What has been the greatest
paradigm shift for humankind?
• Arguably this was the shift from a Ptolemaic
(geocentric) understanding of the universe
to a Copernican (heliocentric) conception
• The ‘new intensification’ will redirect our
thinking and actions in agriculture from
their current EGOCENTRIC orientation, that
regards us humans as the primary actors
• To a more HELIOCENTRIC orientation that
appreciates the power and productivity of
natural systems which give rise to the
processes and potentials of biology
7. We humans are part of nature and
need to learn to cooperate with it
• The supposedly impossible challenge of
producing ‘more from less’ has been shown
to be possible by our experience with the
System of Rice Intensification (SRI)
developed in Madagascar and now being
used increasingly widely around the world
• SRI increases yields and provides other
advantages not by increasing external inputs
but by changing the management of existing
resources: plants, soil, water and nutrients
• Little need to elaborate for this audience
8. Before 1999: Madagascar
1999 China, Indonesia
2000-02: Bangladesh, Cambodia, Cuba,
Gambia, India, Laos, Myanmar, Nepal,
Philippines, Sierra Leone, Sri Lanka,
Thailand (15 at Sanya conference, 2002)
2003: Benin, Guinea, Mozambique, Peru
2004-05: Senegal, Pakistan, Vietnam
2006: Burkina Faso, Bhutan, Iran, Iraq,
Zambia
2007: Afghanistan, Brazil, Mali
2008: Rwanda, Costa Rica, Egypt,
Ecuador, Ghana, Japan
2009: Malaysia, Timor Leste
2010: Kenya, DPRK, Panama, Haiti
2011: Colombia, Korea, Taiwan,
Tanzania
2012: Burundi, Dominican Republic,
Niger, Nigeria, Togo (total of 51)
2013: >50 countries of Asia, Africa, and Latin America
where benefits of SRI management have been seen
9. PANO – Vietnam celebrated over a
million small-scale farmers who are
embracing a technique that grows more
rice with less seeds, fertilizer, water, and
pesticides in an event at Thai Nguyen
University on October 18th.
The technique is called ‘system of rice intensification’ or SRI for short, which
is a package of agricultural techniques for hand-planted rice that helps
farmers reduce their costs while increasing their production. The Ministry of
Agriculture and Rural Development reported that by the summer-autumn
crop this year, there are 1,070,384 farmers using SRI on 185,065 hectares
(457,110 acres) in their rice fields. The number of farmers using SRI practices
in Vietnam has tripled since 2009. . . .
OVER 1 MILLION VIETNAMESE FARMERS BENEFIT FROM SRI
Tuesday, October 18, 2011 20:48 (GMT +7)
10. Year 2004 2005 2006 2007 2008 2009 2010 Total
SRI area (ha) 1,133 7,267 57,400 117,267 204,467 252,467 301,067 941,068
SRI yield (kg/ha) 9,105 9,435 8,805 9,075 9,300 9,495 9,555 9,252
Non-SRI yield (kg/ha) 7,740 7,650 7,005 7,395 7,575 7,710 7,740 7,545
SRI increment (t/ha)* 1,365 1,785 1,800# 1,680 1,725 1,785 1,815# 1,708
SRI yield increase (%) * 17.6% 23.3% 25.7% 22.7% 22.8% 23.2% 23.5% 22.7%
Grain increase (tons) 1,547 12,971 103,320 197,008 352,705 450,653 546,436 1.66 mill
Added net income from
SRI use (million RMB)* 1.28 11.64 106.5 205.1 450.8 571.7 704.3 2,051
(>$300 mill)
* Comparison is with Sichuan provincial average for paddy yield and SRI returns
# Drought years: SRI yields were relatively better than with conventional methods
Source: Data are from the Sichuan Provincial Department of Agriculture.
CHINA: SRI extension/impact in Sichuan Province, 2004-10
11. INDIA: Results from Bihar state, 2007-2012
SYSTEM OF RICE INTENSIFICATION -- state average yield: 2.3 t/ha
2007 2008 2009 2010 2012
Climatic
conditions
Normal
rainfall
2 times
flooding
Drought +
rain in Sept.
Complete
drought
Good
rainfall
No. of smallholders 128 5,146 8,367 19,911 NR
Area under SRI (ha) 30 544 786 1,412 335,000
SRI yield (t/ha) 10.0 7.75 6.5 3.22* 8.08
Conv. yield (t/ha) 2.7 2.36 2.02 1.66* 2.9
,
SYSTEM OF WHEAT INTENSIFICATION -- state average yield: 2.4 t/ha
2007-08 2008-09 2009-10 2011-12
No. of smallholders 415 25,235 48,521 NR
Area under SWI (ha) 16 1,200 2,536 183,085
SWI yield (t/ha) 3.6 4.5 NR 5.1
Conv. yield (t/ha) 1.6 1.6 NR 2.7
* Results from measurements of yield on 74 farmers’ SRI and conventional fields
12. SRI benefits are more than
an increase in yield:
• Water saving
• More tolerance of climate stresses
• Resistance to pests and disease
• Reduced costs of production
• Higher farmer income
• More environmentally-friendly
• Grain quality, shorter crop cycle, etc.
13. Other Benefits from Changes in Practices
1. Water saving – major concern in many places, also
now have ‘rainfed’ version with similar results
2. Greater resistance to biotic and abiotic stresses –
less damage from pests and diseases, drought,
typhoons, flooding, cold spells [discuss tomorrow]
3. Shorter crop cycle – same varieties are harvested
by 1-3 weeks sooner, save water, less crop risk
4. High milling output – by about 15%, due to fewer
unfilled grains (less chaff) and fewer broken grains
5. Reductions in labor requirements – widely reported
incentive for changing practices in India and China;
also, mechanization is being introduced many places
6. Reductions in costs of production – greater farmer
income and profitability, also health benefits
Drought-resistance: Rice fields in Sri Lanka, same variety
and same soil 3 weeks after irrigation had stopped because
of drought – conventional rice field (left) and SRI (right)
14. Storm resistance:
Dông Trù village,
Ha Noi province,
Vietnam, after
fields were hit by
a tropical storm
Right: conventional
field and plant;
Left: SRI field
and plant
Same variety used
in both fields:
serious lodging
seen on right --
no lodging on left
15. Disease and pest resistance: Evaluation by
the Vietnam National IPM Program, 2005-06 –
averages of data from on-farm trials in 8 provinces
Spring season Summer season
SRI
plots
Farmer
plots
Differ-
ence
SRI
plots
Farmer
plots
Differ-
ence
Sheath blight 6.7% 18.1% 63.0% 5.2% 19.8% 73.7%
Leaf blight -- -- -- 8.6% 36.3% 76.5%
Small leaf
folder *
63.4 107.7 41.1% 61.8 122.3 49.5%
Brown plant
hopper *
542 1,440 62.4% 545 3,214 83.0%
AVERAGE 55.5% 70.7%
* Insects/m2
16. Resistance to both biotic and abiotic stresses:
fields in East Java, Indonesia hit by both brown planthopper (BPH)
and by storm damage (typhoon): the rice field on the left was
managed with standard practices; organic SRI is seen on right
Modern
improved
variety
(Ciherang) –
no yield
Traditional
aromatic
variety
(Sintanur)
- 8 t/ha
17. Irrigation
method
Seedling
age
Spacing
(cm2)
Plant lodging (in percent)
Partial Complete Total
Inter-
mittent
irrigation
(AWDI)
14
30x30 6.67 0 6.67
30x18 40.00 6.67 46.67
21
30x30 26.67 20 46.67
30x18 13.33 13.33 26.67
Ordinary
irrigation
(continuous
flooding)
14
30x30 16.67 33.33 50.00
30x18 26.67 53.33 80.00
21
30x30 20 76.67 96.67
30x18 13.33 80 93.33
% lodging of rice as affected by irrigation practices when
combined with different ages of seedlings and different
spacings in trials done in Chiba, Japan
(Chapagain and Yamaji, Paddy and Water Environment, 2009)
18. Resistance to cold temperatures: Yield and
meteorological data from ANGRAU, A.P., India
Period Mean max.
temp. 0C
Mean min.
temp. 0C
No. of sunshine
hrs
1 – 15 Nov 27.7 19.2 4.9
16–30 Nov 29.6 17.9 7.5
1 – 15 Dec 29.1 14.6 8.6
16–31 Dec 28.1 12.2# 8.6
# Sudden drop in minimum temp. for 5 days (16–21 Dec = 9.2-9.9o C )
Season Normal (t/ha) SRI (t/ha)
Kharif 2006 0.21* 4.16
Rabi 2005-06 2.25 3.47
* Low yield was due to cold injury to plants (see below)
19. Comparison of methane and nitrous oxide emissions (GHGs)
CT SRI
kgCH4/ha
0
200
400
600
800
1000
840.1
237.6
72 %
Treatment
Emission (kg/ha) CO2 ton/ha
equivalentCH4 N2O
CT 840.1 0 17.6
SRI 237.6 0.074 5.0
20. SRI practices are being used beyond RICE:
Farmer-led innovations with civil society help in:
• Wheat (SWI) -- India, Nepal, Ethiopia, Mali
• Sugarcane (SSI) -- India, Cuba
• Finger millet (SFMI) -- India, Ethiopia
• Mustard/rapeseed/canola (SMI) -- India
• Teff (STI) -- Ethiopia
• Sorghum (SSI2) – Ethiopia
• Turmeric (STI2) -- India
System of Crop Intensification (SCI): maize, black
gram, green gram, red gram, tomatoes, chillies,
eggplant, sesame, etc. -- India, Ethiopia
26. TEF: Application of
SRI concepts and
practices to growing
tef (STI) in Ethiopia,
most popular grain
Left: transplanted tef
Right: broadcasted tef
Conventional yield
usually only 1 t/ha,
STI = 3 to 5 t/ha;
with micronutrient
amendments, yields
6 t/ha and higher
27. Good STI tef crop in Tigray province of Ethiopia
28. ICRISAT-WWF
Sugarcane Initiative:
• 20-100% more
cane yield, with
• 30% reduction in
water, and
• 25% reduction in
chemical inputs
“The inspiration for putting
this package together is
from the successful
approach of SRI – System
of Rice Intensification.”
30. What is creating these changes?
• Growth and health of ROOT systems
• Greater abundance, activity and
diversity of beneficial SOIL
ORGANISMS
SRI practices promote the LIFE IN THE SOIL
and
this life, in turn, can nurture us and feed us!
31. SRI is ‘not finished’
• It should be seen as still a work in progress
• We see learning, modification, and further
expansion -- continuous farmer innovation
• SRI is NOT A TECHNOLOGY -- it is IDEAS
-- SRI is more like a menu than a recipe
• SRI mobilizes biological potentials and
processes, rather than depend so much on
costly chemical inputs or new varieties
• Most important, SRI is farmer-friendly and
environmentally-friendly – resistant to
climate change and even mitigating this