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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

Carsky, R.Masajo, T.[Effect of toposequence position on performance of rice varieties in inland valleys of West Africa: RCMP Research monograph, No. 9]Effect of toposequence position on performance of rice varieties in inland valleys of West Africa: RCMP Research monograph, No. 9

The Center for Cover Crops Information and Seed Exchange in Africa (CIEPCA) was established to support cover crops systems development for researchers, extension workers, and farmers in West Africa. CIEPCA has been in existence for approximately 3years. In that period, much has been accomplished....


Eteka, A.Carsky, R.Ahouanton, K.[Progres et perspectives du Centre dInformation et dEchanges sur les Plantes de Couverture en Afrique (CIEPCA)]Progres et perspectives du Centre dInformation et dEchanges sur les Plantes de Couverture en Afrique (CIEPCA)

Carsky, R.Eteka, A.Keatinge, J.D.H.Manyong, Victor M.[Cover crops for natural resource management in West Africa=Plantes de couverture et gestion des ressources naturelles en Afrique occidentale: proceedings of a workshop organized by IITA and CIEPCA, Cotonou, Benin, 2629 October 1999]Cover crops for natural resource management in West Africa=Plantes de couverture et gestion des ressources naturelles en Afrique occidentale: proceedings of a workshop organized by IITA and CIEPCA, Cotonou, Benin, 2629 October 1999

To improve efficiency of soil N and water use in the savanna, maize (Zea mays L.) cultivars with improved root systems are required. Two rainfed field experiments were conducted in Samaru, Nigeria in the 1993 and 1994 growing seasons with five maize cultivars under various rates of nitrogen ferti...


Oikeh, S.Kling, J.Horst, W.Chude, V.Carsky, R.[Growth and distribution of maize roots under nitrogen fertilization in plinthite soil]Growth and distribution of maize roots under nitrogen fertilization in plinthite soil

The northern Guinea savanna is generally known to be suitable for the production of annual crops of short-to-medium duration but is threatened with soil degradation because of inadequate organic inputs. Trees can be one important source of organic supplement to crop fields. Farmers' preferences f...


Oyewole, B.Carsky, R.[Multiple purpose tree use by farmers using indigenous knowledge in subhumid and semiarid northern Nigeria]Multiple purpose tree use by farmers using indigenous knowledge in subhumid and semiarid northern Nigeria

The IITA in its research for sustainable soil fertility management has passed through several stages during which legume-based systems were always at the forefront. Alley cropping has N yields of more than 200 kg ha-1 with 50% N2 fixation. In the case of Mucuna cover cropping, the ecological bene...


Carsky, R.Sanginga, N.Schulz, S.Douthwaite, BoruManyong, Victor M.Diels, J.Vanlauwe, BernardKeatinge, J.D.H.[The ability to fix N is not the only key to delivery of the benefits of BNF to farmers: experience of IITA in the savannas of Africa]The ability to fix N is not the only key to delivery of the benefits of BNF to farmers: experience of IITA in the savannas of Africa

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