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The operating principles involved in implementing agricultural research networks, with special reference to the African bean research network, are reviewed. Issues briefly discussed are (1) the need for more precise definition of intended participation for each network activity; (2) less overburd...


Kirkby, Roger A.[Some principles and issues in implementing agricultural research networks]Some principles and issues in implementing agricultural research networks
Abebe, AmareBrick, Mark A.Ogg, J. BarryKirkby, Roger A.[Selection indices to identify drought tolerant dry bean lines]Selection indices to identify drought tolerant dry bean lines
Abebe, MelkassaBrick, Mark A.Ogg, J. BarryKirkby, Roger A.[Associations between plant traits and grain yield among dry bean lines grown under different soil moisture regimes]Associations between plant traits and grain yield among dry bean lines grown under different soil moisture regimes

The role of soil OM is reviewed, with special reference to bean production. Soil physical properties, chemical properties, and biological effects are covered. The different interactions of soil management practices with soil OM, such as the implications of seasonal effects on decomposition, nutri...


Kirkby, Roger A.Georges, K[Soil organic matter: A review of research results]Soil organic matter: A review of research results

Kirkby, Roger A.David, S.Kasozi, S[Assessing the impact of bush bean varieties on poverty reduction in Sub-saharan Africa: evidence from Uganda]Assessing the impact of bush bean varieties on poverty reduction in Sub-saharan Africa: evidence from Uganda
Abebe, AmareBrick, Mark A.Ogg, J. BarryKirkby, Roger A.[Heritability of traits associated with dry bean seed yield]Heritability of traits associated with dry bean seed yield

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

Research results on the use of OM to maintain soil fertility, with particular reference to bean crops in Africa, are reviewed. Aspects covered are (1) the role that soil OM plays in soil physical structure, chemical properties, and biological activities and (2) the different interactions of manag...


Georges, KKirkby, Roger A.[Soil organic matter: review of research results]Soil organic matter: review of research results

Agricultural research and development organizations are increasingly under pressure to shift from enhancing productivity of food crops to improving profitability and competitiveness of small-scale farming, and linking smallholder farmers to more profitable markets. What is not obvious however, is...


Sanginga, Pascal C.Best, R.Chitsike, C.Delve, Robert J.Kaaria, Susan K.Kirkby, Roger A.[Enabling rural innovation in Africa : An approach for integrating farmer participatory research and market orientation for building the assets of rural poor]Enabling rural innovation in Africa : An approach for integrating farmer participatory research and market orientation for building the assets of rural poor

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