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BACKGROUND Plants depend on their root systems to acquire the water and nutrients necessary for their survival in nature, and for their yield and nutritional quality in agriculture. Root systems are complex and a variety of root phenes have been identified as contributors to adaptation to soils w...


Rao, Idupulapati M.Miles, John W.Beebe, Stephen E.Horst, Walter J.[Root adaptations to soils with low fertility and aluminium toxicity]Root adaptations to soils with low fertility and aluminium toxicity
Sommer, RolfBraslow, Juliet[African eco-efficient solutions to food insecurity and climate change]African eco-efficient solutions to food insecurity and climate change

Root rot severely constrains bean (Phaseolus vulgaris L.) production in parts of Western Kenya. Genetic and soil management options were evaluated for an integrated root rot management approach. Four hundred genotypes were progressively screened in the field for resistance to root not over six se...


Otsyina, R.M.Ajanga, SIBuruchara, Robin A.Wortmann, Charles S.[Development of an integrated bean root rot control strategy for Western Kenya]Development of an integrated bean root rot control strategy for Western Kenya
Masvaya, ENNyamangara, JusticeNyawasha, RWZingore, ShamieDelve, Robert J.Giller, Ken E.[Effect of farmer management strategies on spatial variability of soil fertility and crop nutrient uptake in contrasting agro-ecological zones in Zimbabwe]Effect of farmer management strategies on spatial variability of soil fertility and crop nutrient uptake in contrasting agro-ecological zones in Zimbabwe

The role of Contract Farming in the Development of a Competitive and Sustainable Cassava Sub-sector in Vietnam. Tiago Wandschneider, Project Leader SADU-CIAT 8th Asian Cassava Research Workshop Vientiane, 20-24 October.


Wandschneider, T.[The role of contract farming in the development of a competitive and sustainable cassava sub-sector in Vietnam]The role of contract farming in the development of a competitive and sustainable cassava sub-sector in Vietnam

As cassava is grown mostly by small resource-limited farmers throughout the tropics on low-fertility soils with little fertilization and, due to the large potassium (K) export in harvested roots, genotypes that tolerate low-K soils and respond to K fertilization are warranted. The objective of th...


El-Sharkawy, Mabrouk A.Cadavid López, Luis Fernando[Genetic variation within cassava germplasm in response to potassium]Genetic variation within cassava germplasm in response to potassium
Martínez, A.León Sarmiento, Luis AlfredoNavas Alvarado, J[Uso potencial de rocas fosfóricas y de rocas fosfóricas parcialmente aciduladas en la agricultura colombiana]Uso potencial de rocas fosfóricas y de rocas fosfóricas parcialmente aciduladas en la agricultura colombiana

Researchers worked with farmers in eastern Uganda to develop alternatives for soil management using crotalaria (Crotalaria ochroleuca), mucuna (Mucuna pruriens var. utilis), lablab (Dolichos lablab), and canavalia (Canavalia ensiformis) as green manures in short-term fallows. The participatory re...


Fischler, MAWortmann, Charles S.[Green manures for maize-bean systems in eastern Uganda: Agronomic performance and farmers' perceptions]Green manures for maize-bean systems in eastern Uganda: Agronomic performance and farmers' perceptions

Atmospheric biological nitrogen fixation (BNF) by cowpea (Vigna unguiculata) and groundnut (Arachis hypogea) was evaluated using a 2-year (2000–2001) experiment with different fertilizer treatments. The 15N isotopic dilution method with a nonfixing cowpea as test reference crop was used. The effe...


Bado, BVBationo, B. AndréCescas, MP[Assessment of cowpea and groundnut contributions to soil fertility and succeeding sorghum yields in the Guinean savannah zone of Burkina Faso (West Africa)]Assessment of cowpea and groundnut contributions to soil fertility and succeeding sorghum yields in the Guinean savannah zone of Burkina Faso (West Africa)

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