Zero-tillage wheat cultivation was introduced in India to reduce costs for farmers while preserving the environment. Through partnerships between 1997-2004, an estimated 620,000 farmers adopted no-till wheat production on 1.76 million hectares, increasing incomes by $180-340 per household annually. Key factors in widespread adoption included the development of affordable no-till seed drills, farmer training programs, and support from national agricultural research champions. Zero-tillage increased wheat yields and farmer profits while lowering greenhouse gas emissions and improving soil and water resources.
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Date: 26 January 2013
Presented by Norman Uphoff at the National Institute for Agricultural and Forestry Research (IDIAP), Santo Domingo, Domincan Republic
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
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
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
Major agricultural problems of india and various government initiativesVaishali Sharma
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April 2010 DFID CIMMYT Case Study Zero Till Wheat
1. Planting without ploughing: zero-till wheat takes
root
Key fact:
Innovative partnerships among researchers, farmers, and
other actors in the agricultural value chain have enabled the
adoption of zero-tillage to sow wheat after rice on nearly 2
million hectares in the Indo-Gangetic Plains, increasing
farmers' incomes, fostering more sustainable use of soil and
water, and providing a platform for cropping diversification
and the introduction of other resource-conserving practices.
Summary: Agronomist talking to farmer
Zero-tillage cultivation is a farming practice that reduces costs who has adopted zero-tillage
while maintaining harvests and protecting the environment. (CIMMYT)
During 1997-2004, an estimated 620,000 farmers in northern
India adopted the method to sow wheat after the rice harvest on around 1.76 million
hectares of land, with average incomes increasing by US$180-$340 per household per year.
The impact achieved resulted from long-term efforts involving direct promotion and testing
with farmers, training and support for national programme champions willing to oppose
conventional wisdom about tillage practices and development of affordable, locally-
manufactured seed drills. Efforts were led by the Rice-Wheat Consortium (RWC) for the
Indo-Gangetic Plains, a partnership involving the national research programmes of
Bangladesh, India, Nepal, and Pakistan, and with key technical and logistical support from
the International Maize and Wheat Improvement Center (CIMMYT).
Facts & figures 1
Zero-tillage wheat cultivation now covers an estimated 1.76 million hectares in India
and has been adopted by around 620,000 farmers.
India was highly successful in developing local manufacturing capacity to adapt and
produce zero-tillage drills at a competitive cost. In 2003, the average price of a zero-till
drill was US$325 in India, compared with US$559 in Pakistan.
Specifically, zero tillage:
• Reduces the number of field operations from an average of seven to one, translating into
8-12 hours per ha saved in tractor time (a 60-90% saving); farmers can save 36 litres of fuel
per ha of land, an 80% saving over conventional wheat cultivation.
• Reduces water usage by about 1 million litres per ha (a saving of 20-35%).
• Improves soil structure, fertility, and biological properties.
• Typically reduces the incidence of weeds, primarily due to the earlier emergence of wheat
and reduced soil disturbance.
• Improves the population dynamics of certain wheat pests and diseases.
• Increases wheat yield by 6-10% and reduced production costs by 5-10%.
Studies in India suggest that adopting farmers can boost their income by US$97 per
hectare of land, and increase annual income by US$180-$340.
Zero tillage has increased wheat yields by 5-7% for Indian farmers.
Planting without ploughing: zero-till wheat takes root 1
2. Planting without ploughing: zero-till wheat takes root
The Indo-Gangetic Plains (IGP), which spread from Pakistan across northern India, southern
Nepal, and into Bangladesh, are the breadbasket of the Indian sub-continent and home to
more than 300 million people. Farmers in the region typically grow two crops per year:
monsoon-season flooded rice and winter season wheat. However, since the 1990s,
productivity increases in the rice-wheat rotation have stagnated, owing to land degradation
and late planting of wheat, in particular.
Typical farming practices involve up to eight tractor passes to restructure rice paddy soils
before planting wheat. Not only is this costly in diesel and associated CO2 emissions, but the
later the wheat is planted, the more likely the crop will suffer from pre-monsoon heat during
grain filling, significantly reducing yields. To keep pace with the region’s exploding food
demands and to adapt to water shortages and climate change, farmers need technologies
that can help them improve yields while saving resources, cutting production costs and
sustaining environmental quality.
Zero-tillage - the direct seeding of wheat into unploughed paddies
following rice harvest - offers a more sustainable alternative: it
involves a single tractor pass, thereby saving fuel, cutting greenhouse
gas emissions, and allowing the earlier planting of wheat. The
International Maize and Wheat Improvement Centre (CIMMYT)
began to introduce this practice throughout the IGP in the 1980s,
with efforts increasing with the involvement after 1994 of the Rice-
Wheat Consortium (RWC). DFID has supported the work of RWC both
directly, and through on-going core assistance to CIMMYT. Locally-adapted
seed drill (CIMMYT)
Rapid adoption of zero-tillage in the region, especially in India, began
in the late-1990s. During 1997-2004, around 620,000 farmers adopted the system and zero-
tillage wheat cultivation now covers an estimated 1.76 million of the 14 million hectares of
rice-wheat cultivation. This uptake has led to important direct outcomes for farmers and the
environment.
Many factors contributed to the successful spread of zero-tillage in the IGP. A key one was
the collaborative development and local manufacture of affordable zero-tillage seed drills -
which in one pass place wheat seed and fertiliser directly into unploughed land. The process
of testing prototype seed drills on farmers’ land with farmer participation, developing drills
suited to local conditions, and making them available to farmers at an affordable cost, were
all vital steps. Seed drills were attractive both for farmers keen to reduce their own
cultivation costs and hire themselves out for direct-seeding of neighbours' fields, as well as
for profit-minded local manufacturers. Crucial as well were the use of farmer participatory
approaches and the involvement of farm implement manufacturers and input suppliers to
promote and support zero-tillage against the opposition of tradition-minded farmers,
researchers, and policymakers. Finally, the development and spread of this innovation owes
much to the conviction and hard work of national research programme champions and
extension agents, as well as the continuing high-quality training and support they received
through the RWC and CIMMYT.
Apart from reducing cultivation costs, the zero-tillage method increases wheat harvests by 5-
7 per cent, largely thanks to timely planting. As a result, in India, it is estimated that zero-
tillage has increased incomes by US$97 per hectare, with households typically increasing
their annual earnings by US$180-$340. The bulk of this is from reduced costs. Zero-tillage
Planting without ploughing: zero-till wheat takes root 2
3. also has environmental benefits: reducing fossil fuel use and greenhouse gas emissions,
improving both fertility and water-holding capacity of the soils, reducing rates of soil
erosion, and encouraging rice-wheat farmers to leave crop residues on the soil surface
rather than burning them.
Furthermore, reduced tillage has provided a "platform" for introducing other resource-
conserving practices such as: sowing on raised beds; surface seeding in riverain areas;
smallholders in the eastern IGP using laser levelling to improve irrigation efficiency; cropping
diversification (introducing, for example, pulses and vegetable crops); and supporting
conversion to full conservation agriculture by replacing puddled
rice cropping with aerobic rice cultivation. Such practices will be
crucial for the region, given that by 2050 climate-change induced
heat and water stress in irrigated areas may reduce wheat yields
by 12 per cent and rice by 10 per cent, while the unsustainable
extraction of water for agriculture continues to drain aquifers.
The success of zero-tillage, and the participatory approach through
which it was promulgated, has helped overcome resistance to new
practices among researchers, policymakers, and farmers. Support
for zero-tillage has come from public-private partnerships and the
facilitation of both national and international technology transfers,
Zero-tillage helps primarily through the RWC. State and local governments have
overcome resistance to
come on board to promote and disseminate the technology, in
new practices
(CIMMYT)
some cases subsidising seed drills to reduce the cost to farmers.
Adoption of zero-tillage is most widespread in India, where the RWC catalysed the public-
private partnerships instrumental to its development and dissemination. So far, adoption
has centred on intensive, mechanised farms in the northwest states of Haryana and Punjab.
Current efforts are targeting the eastern IGP, where agriculture is less mechanised and
poverty more extreme. To this end, research and development is ongoing in eastern Uttar
Pradesh and Bihar, as well as in Nepal and Bangladesh.
Testimonials:
• UP Singh, principal investigator, Banaras Hindu University, Varanasi, India: “I began as
a rice agronomist, but working in the Consortium, my mind was opened to the entire
rice-wheat cropping system. Between Varanasi and Ballia, we are establishing
demonstration sites every 30 kilometres. Farmers are always wary and unbelieving at
first, and ask ‘Without tilling, how can a crop grow?’ Once the innovations catch on in a
village, the researchers go to another location and repeat the process.”
• Arun Joshi, researcher at Banaras Hindu University and CIMMYT-South Asia/RWC
partner provides feedback from Uttar Pradesh: Anil Singh was the first in Karhat village,
Uttar Pradesh, to try zero-tillage for sowing wheat when it was introduced in 1997.
“When Anil's father-in-law first saw Karhat, he began telling everyone that women
shouldn't marry its men, because they wouldn't be able to support a family. When Anil
had success with zero-tillage and other farmers adopted the practice, his father-in-law
changed his tune completely, and now says that all young ladies should marry men from
Karhat!”
Planting without ploughing: zero-till wheat takes root 3
4. Additional case study information
Costs and benefits: 2
According to a CGIAR science panel report of October 2006, the zero-tillage research and
development programme yielded a net present value of US$94 million, equivalent to a
benefit-cost ratio of 39 and an internal rate of return of at least 57 per cent. This does not
take into account the long term environmental benefits.
DFID contribution to research:
• Attributed funding on natural resources management and core funding to CIMMYT over
the years was extremely important in supporting RWC.
• John Gaunt, soil scientist and consultant for DFID, attended and gave advice to RWC
meetings.
• DFID funded the RWC review conducted by Ashok Seth.
• DFID provides ongoing core-funding to CIMMYT.
Research milestones:
• Mid-1980s Prototype drill is introduced to Pakistan by CIMMYT, followed by a similar
introduction in India in 1989.
• 1991-early 2000s Development of first Indian seed-drill prototype at GB Pant University
of Agriculture and Technology in Pantnagar, followed by further development and
testing of prototypes by agricultural engineering experts in various Indian universities
and by CIMMYT. The spread, testing, and adaptation of seed drills in Pakistan. Eventual
involvement of seed drill prototypes by private manufacturers, backed by CIMMYT and
RWC-led participatory research programme. Over the same period the RWC and
CIMMYT: (1) led widespread farmer piloting and promotion of zero-tillage, providing
technical backstopping to refine and adapt the practice; (2) provided extensive training
and material support for national programme researchers and extension agents; (3)
helped organise travelling field days for South Asian farmers.
• 2003-04 Surveys find that 34.5 per cent of farmers in Haryana state, India, and 19 per
cent in Punjab province, Pakistan, use zero-tillage on at least some of their land.
• Ongoing research and development by CIMMYT and national partners in the eastern
Gangetic Plains of India, Nepal and Bangladesh.
Photo credits:
CIMMYT: For high res images contact Mike Listman (m.listman@cgiar.org) or Susanna Thorp
(s.thorp@wrenmedia.co.uk)
Multi-media material:
Millions Fed: Leaving the plow behind
http://www.youtube.com/watch?v=ysM2EuoVYfI
Links:
CIMMYT: www.cimmyt.org
Main references:
Erenstein, O., (2009) Leaving the plow behind: Zero-tillage rice-wheat cultivation in the Indo-
Gangetic Plains, in D.J. Spielman and R. Pandya-Lorch (eds.) (2009) Millions fed: Proven
successes in agricultural development, IFPRI: Washington DC
http://www.ifpri.cgiar.org/book-5826/millionsfed/cases/ricewheat
Planting without ploughing: zero-till wheat takes root 4
5. Laxmi, V., O. Erenstein and R.K. Gupta, (2007) Rice-Wheat Consortium: Impact of zero-tillage
in India’s rice-wheat systems, CIMMYT and RWC Research Report: New Denhi, India
http://www.rwc.cgiar.org/pubs/185/Laxmi%20et%20al%202007%20ZT%20impact%20report
.pdf
Other key references:
Erenstein, O., (2009). Zero-tillage in the rice-wheat systems of the Indo-Gangetic Plains: A
review of impacts and sustainability implications, IFPRI Discussion Paper 916
http://www.ifpri.cgiar.org/sites/default/files/publications/ifpridp00916.pdf
Erenstein, O., U. Farooq, R.K. Malik, and M. Sharif, (2007) Adoption and impacts of zero-
tillage as a resource conserving technology in the irrigated plains of South Asia.
Comprehensive Assessment of Water Management in Agriculture Research Report 19.
Colombo, Sri Lanka: International Water Management Institute.
http://www.iwmi.cgiar.org/Assessment/files_new/publications/CA%20Research%20Reports
/CARR19.pdf
Erenstein, O., U. Farooq, R.K. Malik, and M. Sharif, (2008) On-farm impacts of zero-tillage
wheat in South Asia’s rice-wheat systems. Field Crops Research, 105 (3): 240–252
Erenstein, O., and V. Laxmi, (2008) Zero-tillage impacts in India’s rice-wheat systems: A
review. Soil & Tillage Research, 100 (1–2): 1–14
Laxmi, V., O. Erenstein, and R.K. Gupta, (2007) Assessing the impact of NRMR: The case of
zero-tillage in India’s rice-wheat systems. In H. Waibel and D. Zilberman (eds.) International
research on natural resource management: Advances in impact assessment, Food and
Agriculture Organization of the United Nations and CAB International
Laxmi, V., O. Erenstein, and R.K. Gupta, (2007) Impact of zero-tillage in India’s rice–wheat
systems. New Delhi: International Maize and Wheat Improvement Center and Rice-Wheat
Consortium
Additional resource material:
CGIAR Science Council, (2006) When zero means plenty: the impact of zero-tillage in India,
Science Council Brief number 13.
http://www.sciencecouncil.cgiar.org/fileadmin/user_upload/sciencecouncil/Impact_Assess
ment/13_CIMMYT_-Final_l-r.pdf
CIMMYT, (2005) Innovation in the Eastern Indo-Gangetic Plains: Calling at the door of the
poor
http://www.cimmyt.org/english/docs/ann_report/2004/participation/indoGangetic.htm
CIMMYT, (2005) Bachelors take note: Reduce your tillage
http://www.cimmyt.org/english/wps/news/2005/feb/bachelorsTillage.htm
Planting without ploughing: zero-till wheat takes root 5