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Rippstein, GAmézquita Collazos, EdgarEscobar, G.Grollier, C[Condiciones naturales de la sabana]Condiciones naturales de la sabana

This paper reports on a Participatory Learning and Action Research (PLAR) process that was initiated in three villages in eastern Uganda in September 1999 to enable small-scale farmers to reverse nutrient depletion of their soils profitably by increasing their capacity to develop, adapt and use i...


Esilaba, Anthony O.Byalebeka, J.B.Delve, Robert J.Okalebo, JRSsenyange, DMbalule, MSsali, H.[On farm testing of integrated nutrient management strategies in Eastern Uganda]On farm testing of integrated nutrient management strategies in Eastern Uganda

Amede, TilahunKirkby, Roger A.[Guidelines for integration of legumes into the farming systems of East African highlands]Guidelines for integration of legumes into the farming systems of East African highlands

International Center for Tropical Agriculture[Biophysical and socioeconomic processes understood, principles and concepts developed for protecting and improving the health and fertility of soils: Output 1]Biophysical and socioeconomic processes understood, principles and concepts developed for protecting and improving the health and fertility of soils: Output 1

Spain, James M.Howeler, Reinhardt H.[Análisis de suelos del Centro Internacional de Agricultura Tropical]Análisis de suelos del Centro Internacional de Agricultura Tropical

Cassava is an important root crop in Vietnam, and after rice and maize it is the major source of calories for human consumption and animal feed. Recently, cassava research has been supported by the national Root and Tuber Crops Resarch Program and by CIAT. Cassava agronomy research has produced t...


Nguyen, Huu HyTran, Dai NghiaPham, Van Bien[Recent progress in cassava agronomy research in Vietnam]Recent progress in cassava agronomy research 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

Serrao, Emanuel Adilson de SouzaMoreno Ruiz, Miguel AntonioVeiga, Jonas Bastos da[Experiencia regional con Centrosema:Brasil, zona tropical húmeda]Experiencia regional con Centrosema:Brasil, zona tropical húmeda

Nutritional studies of cassava have shown that in high-P acid laterite soils, there was no response to P application during four years of consecutive cropping. In low-P soil, even though cassava initially responded to 100 kg P2O5/ha, the response gradually declined. The optimum economic dose of P...


Mohankumar, C.R.Potty, V.P.Ravindran, C.S.Kabeerathumma, S.Sudharmai Devi, C.R.[Progress in agronomy research in India]Progress in agronomy research in India

In South Vietnam, cassava is grown both in the highlands and in the delta, on different soil groups, such as the yellowish red soils, grey degraded soils, alluvial soils and acid sulfate soils. These soils are located mostly in the Central Highlands, the Coastal Region and the Eastern Region of S...


Cong Doan SatDeturck, P.[Cassava soils and nutrient management in South Vietnam]Cassava soils and nutrient management in South Vietnam

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