selected publications
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article
- One size does not fit all: Conservation farming success in Africa more dependent on management than on location. AGRICULTURE ECOSYSTEMS & ENVIRONMENT. 179:200-207. 2013
- Global crop improvement networks to bridge technology gaps. Journal of Experimental Botany. 63:1-12. 2012
- Ammonia toxicity in aerobic rice: use of soil properties to predict ammonia volatilization following urea application and the adverse effects on germination. European Journal of Soil Science. 62:551-559. 2011
- Relative effects of ammonia and nitrite on the germination and early growth of aerobic rice. Journal of Plant Nutrition and Soil Science. 174:292-300. 2011
- Biomass availability, energy consumption and biochar production in rural households of Western Kenya. Biomass & Bioenergy. 35:3537-3546. 2011
- Wheat improvement: Highlights from an expert symposium 2008
- How extensive are yield declines in long-term rice-wheat experiments in Asia?. Field Crops Research. 81:159-180. 2003
- The role of potassium in sustaining yields in a long-term rice-wheat experiment in the Indo-Gangetic Plains of Nepal. Biology and Fertility of Soils. 36:240-247. 2002
- Yield and soil fertility trends in a 20-year rice-rice-wheat experiment in Nepal. Soil Science Society of America Journal. 66:857-867. 2002
- Long-term changes in yield and soil fertility in a twenty-year rice-wheat experiment in Nepal. Biology and Fertility of Soils. 34:73-78. 2001
- Tillage and crop establishment in South Asian rice -wheat systems: Present practices and future options 2001
- On-farm soil N supply and N nutrition in the rice-wheat system of Nepal and Bangladesh. Field Crops Research. 64:273-286. 1999
- Increasing wheat yields sustainability through agronomic means 1998
- Meeting South Asia's future food requirements from rice-wheat cropping systems: Priority issues facing researchers in the post-green revolution era 1996
- Rice-Wheat in South Asia: Systems and long-term priorities established through diagnostic research. Agricultural Systems. 46:169-187. 1994
- Rice wheat cropping systems in Faizabad District of Uttar Pradesh, India: Exploratory surveys of farmers' practices and problems and needs for further research 1992
- Rice-wheat cropping systems in the Tarai areas of Nainital, Rampur, and Pilibhit Districts in Uttar Pradesh, India: Diagnostic surveys of farmers' practices and problems, and needs for future research 1991
- The rice-wheat pattern in the Nepal Terai: Issues in the identification and definition of sustainability problems 1990
- Increasing wheat productivity in the context of Pakistan's irrigated cropping systems: A view from the farmers' field 1986
- Wheat in the cotton-wheat farming systems of the Punjab: implications for research and extension 1986
- Wheat in the rice-based farming system of the Punjab: Implications for research and extension 1984
- Status of rice-based cropping systems research in Bangladesh 1978
- Cropping systems research highlights for the Bangladesh Rice Research Institute 1977
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document
- Nutritious subsistence food systems 2006
- How extensive are yield declines in long-term rice-wheat experients in Asia 2003
- Wheat and rice in the mid-hills of Nepal: A benchmark report on farm resources and production practices in Kavre District 1999
- Wheat and rice in the Nepal Tarai: Farm resources and production practices in Rupandehi District 1996
- Irrigated wheat in North West Frontier Province: A synthesis of On-farm research results 1983-86 1990
- Diagnosing research priorities for small farmers: Experiences from on-farm research in Pakistan 1989
- Wheat in the rice-wheat cropping system of the Punjab: A synthesis of On-farm research results 1984-1988 1989
- Wheat production and yields in Rawalpindi District of the Punjab from 1983 to 1986 1989
- Techniques for On-Farm Cropping Systems Research 1978
- Cropping systems research highlights from Bangladesh 1976
- Review of the rice cropping systems work at the Bangladesh Rice Research Institute for the period from Nov. 1974 to Dec. 1975 1976
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editorial article
- SUMMARY: PAPERS PRESENTED AT INTERNATIONAL WORKSHOP ON INCREASING WHEAT YIELD POTENTIAL, CIMMYT, OBREGON, MEXICO, 20–24 MARCH 2006 Challenges to international wheat improvement. JOURNAL OF AGRICULTURAL SCIENCE. 145:223-227. 2007
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hide from search
- The role of conservation agriculture in sustainable agriculture. PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES. 543-555. 2008
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review
- Nutritious subsistence food systems. Advances in Agronomy. 1-74. 2007