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International Institute of Tropical Agriculture[Highlights of scientific findings Annual Report 1990: RCMP Research monograph, No. 7]Highlights of scientific findings Annual Report 1990: RCMP Research monograph, No. 7

Continuous rice-wheat (RW) rotation with conventional agronomic practices has resulted in declining factor productivity and degrading soil resources. A farmer's participatory research trial was conducted in Karnal, India to evaluate 8 combinations of cropping systems, tillage, crop establishment ...


Choudhary, MadhuDatta, AshimJat, Hanuman S.Yadav, Arvind KumarGathala, Mahesh KumarSapkota, Tek B.Das, Amit K.Sharma, Parbodh C.Jat, Mangi LalSingh, RajbirLadha, Jagdish Kumar[Changes in soil biology under conservation agriculture based sustainable intensification of cereal systems in Indo-Gangetic Plains]Changes in soil biology under conservation agriculture based sustainable intensification of cereal systems in Indo-Gangetic Plains

Monotonous rice-wheat cropping system with conventional management practices have resulted in declining soil quality and biota in addition to low input factor productivity and farmer’s profitability in western Indo-Gangetic plains (IGP) of India. Conservation agriculture (CA) based sustainable in...


Choudhary, MadhuJat, Hanuman S.Datta, AshimYadav, Arvind KumarSapkota, Tek B.Mondal, SandipMeena, R.P.Sharma, Parbodh C.Jat, Mangi Lal[Sustainable intensification influences soil quality, biota, and productivity in cereal-based agroecosystems]Sustainable intensification influences soil quality, biota, and productivity in cereal-based agroecosystems

A total of four sets of seeds (totalling 5526 seeds) were recieved from CIAT during the period 1990-1993. One set (comprising 1100 hybrid seeds) originated from the Thai-CIAT program in Rayong. Evaluation and selection of seedling clones has progressed satisfactorily, and culminated in the releas...


Tan, Swee LianChan, S.K.[Recent progress in cassava varietal improvement and agronomy research in Malaysia]Recent progress in cassava varietal improvement and agronomy research in Malaysia

In Vietnam, extension activities are considered by the government as an urgent and longterm measure, that has a great influence on the production process of farmer commodity production. Among extension objectives, cassava production is given great importance in those areas where appropriate condi...


Hoang, KimTran, Van SonNguyen, Van ThangTran, Ngoc QuyenAo, Van Thinh[On-farm research and transfer of technology for cassava production in Vietnam]On-farm research and transfer of technology for cassava production in Vietnam

Over the past 25-30 years, cassava agronomy research in India has made tremendous progress. In the recent past there has been a steady increase in the cultivation of cassava in nontraditional areas, despite the fact that cereals form the major crop and staple food of the country. There has been a...


George, JamesMohankumar, C.R.Nair, G.M.Ravindran, C.S.[Cassava agronomy research and adoption of improved practices in India: Major achievements during the past 30 years]Cassava agronomy research and adoption of improved practices in India: Major achievements during the past 30 years

In Indonesia, annual growth rates for cassava production and yield from 1961 to 2000 were 0.81% and 1.35%, respectively. However, the harvested area decreased at an average annual rate of 0.61%. The average yield of about 12 tonnes of fresh roots/ha is much below the potential yield of 20 to 40 t...


Wargiono, J.Widodo, YudiUtomo, Wani Hadi[Cassava agronomy research and adoption of improved practices in Indonesia: Major achievements during the past 20 years]Cassava agronomy research and adoption of improved practices in Indonesia: Major achievements during the past 20 years

In the past few years, the economy of Vietnam has developed very rapidly, and in agriculture, food production has been quite successful, especially that of rice. At the same time cassava production has changed from being a crop providing food for humans to being a cash crop. The planting of new c...


Nguyen, Huu HyNguyen, The DangPham, Van Bien[Cassava agronomy research and adoption of improved practices in Vietnam]Cassava agronomy research and adoption of improved practices in Vietnam

Dixon, A.Mutsaers, H.Asiedu, Robert[Root and tuber crop breeders and cropping systems researchers join forces]Root and tuber crop breeders and cropping systems researchers join forces

Carsky, R.[Rice based production in inland valleys of west Africa: research review and recommendations: RCMP research monograph, No. 8]Rice based production in inland valleys of west Africa: research review and recommendations: RCMP research monograph, No. 8

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