Zobrazeno 1 - 10
of 39
pro vyhledávání: '"D. Oyewole"'
Autor:
Angelinus C. Franke, A.S. Olanrewaju, M. A. Hussaini, G. Tarawali, S. Schulz, Ryen W. White, David Chikoye, I. Kureh, B. Douthwaite, B. D. Oyewole, J. Ellis-Jones
Publikováno v:
Crop Protection. 25:868-878
The results are presented of a project to promote integrated Striga control (ISC) technologies to farmers in the Guinea savanna of northern Nigeria. Extension agents used a participatory research and extension approach (PREA) to encourage farmers to
Publikováno v:
Experimental Agriculture. 40:463-479
A three-year trial was conducted on a degraded soil in the moist Guinea savanna of northern Nigeria to assess the possibility of improving productivity and economic viability of maize-based systems by incorporating short-season legumes and green manu
Autor:
S. Schulz, M. A. Hussaini, B. D. Oyewole, B. Douthwaite, A. S. Olanrewaju, J. Ellis-Jones, Ryen W. White
Publikováno v:
Experimental Agriculture. 40:353-368
Two sets of on-farm trials, each covering two years, were conducted in the northern Guinea savannah of Nigeria over the period 1999–2001, the objective being to compare integrated Striga hermonthica control measures (soybean or cowpea trap crops fo
Publikováno v:
Agriculture, Ecosystems & Environment. 100:221-230
In much of sub-Saharan Africa (SSA), the lack of organic soil amendments constitutes one of the principal causes for declining soil fertility in intensifying farming systems. The challenge, therefore, remains to increase the availability of organic i
Publikováno v:
Experimental Agriculture. 39:267-278
In southern Bénin, the legume cover crop Mucuna pruriens var. utilis has been widely promoted for soil fertility improvement. Recent findings have shown, however, that the majority of farmers have not adopted it, and that alternative technologies ar
Publikováno v:
Biological Agriculture & Horticulture. 18:303-315
In the moist savanna zone with a 180 to 190 day growing period, early season cowpea immediately followed by a late season cereal crop can maximize the benefit of the legume to the cereal. Traditional cereal crops for this system are millet and sorghu
Autor:
B. D. Oyewole, R. J. Carsky
Publikováno v:
Forests, Trees and Livelihoods. 11:295-312
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 su
Publikováno v:
Nutrient Cycling in Agroecosystems. 59:151-159
The benefit of planted fallow with legume cover crops may be limited on P deficient soil. A trial was conducted at two P deficient sites in northern Nigeria to test the hypothesis that application of P to legume cover crop fallow can substitute for N
Publikováno v:
International Journal of Pest Management. 46:115-120
Striga hermonthica is a serious parasite of cereals in most of the semi-arid savanna zone of West Africa, causing substantial yield loss. It has been observed that some soybean cultivars are capable of stimulating germination of S. hermonthica seed,
Publikováno v:
Nutrient Cycling in Agroecosystems. 55:95-105
Integrated soil management with leguminous cover crops was studied at two sites in the northern Guinea savanna zone of northern Nigeria, Kaduna (190 day growing season) and Bauchi (150 days). One-year planted fallows of mucuna, lablab, and crotalaria