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The paper first discusses the need for moving from disciplinary to transdisciplinary research in addressing problems of human development and environmental management. Then the experience of a research project in highland Ethiopia is described. This started with disciplinary research and componen...


Jabbar, M.A.Mohamed-Saleem, M.A.Li-Pun, H.[Towards transdisciplinarity in technology and resource management research: A project in Ethiopia]Towards transdisciplinarity in technology and resource management research: A project in Ethiopia

An experiment conducted to assess the nature of nutrient problems with a view to improving the performance of Verano stylo at the ILCA site (Kaduna). Shows the rates of nutrient application, composition and drymatter yields by varying nutrient additions and in two growing seasons. Also shows P an...


Mohamed-Saleem, M.A.Otsyina, R.M.Butterworth, M.H.[Performance of Stylosanthes hamata cVerano as influenced by nutrient changes]Performance of Stylosanthes hamata cVerano as influenced by nutrient changes

Animal traction has been an integral part of most agricultural systems in Ethiopia for thousands of years. There is evidence that cattle were first used for ploughing in the latter part of the third millennium BC (Goe and Astatke, 1989). Today, the traditional cattle economy is directed mainly to...


Astatke, A.Mohamed-Saleem, M.A.[Draught animal power for land-use intensification in the Ethiopian highlands]Draught animal power for land-use intensification in the Ethiopian highlands

Reports the response of two stylo cultivars, viz, stylosanthes hamata cv verano and stylosanthes guianensis cv cook to 'Kanwa' - a naturally occuring salt traditionally used as a cattle lick - but which shows the presence of various essential nutrients for plants. Discusses the implications to ag...


Mohamed-Saleem, M.A.Otsyina, R.M.[Effect of the naturally occurring salt 'Kanwa' as a fertilizer on the productivity of Stylosanthes in the subhumid zone of Nigeria]Effect of the naturally occurring salt 'Kanwa' as a fertilizer on the productivity of Stylosanthes in the subhumid zone of Nigeria

In the subhumid zone of Nigeria S. guianensis cv Cook, S. Guianensis cv Schofield and S. hamata cv Verano produced low dry matter yields. The role of P in limiting yields was investigated in a field experiment at Kurmin Biri, Kaduna State, Nigeria. Four levels of P<sub>2O<sub>5, zero, 40, 80 an...


Mohamed-Saleem, M.A.Kaufmann, Ralph R. von[Effect of phosphorus application on the productivity and quality of three Stylosanthes cultivars]Effect of phosphorus application on the productivity and quality of three Stylosanthes cultivars

The effect of the interaction of shoots and roots of intercropped wheat (Triticum durum var. Boohai) and clover (Trifolium quartinianum A. Rich) on the dry matter yield of shoots and roots and on the seed yield of wheat and clover was studied in wooden boxes in the dry and wet seasons with and wi...


Dauro, D.Mohamed-Saleem, M.A.[Shoot and root interactions in intercropped wheat and clover]Shoot and root interactions in intercropped wheat and clover

Efffects of livestock grazing on surface runoff and soil erosion at varying slopes were studied in pasture lands within Ginchi watershed, Ethiopia. The results showed that livestock grazing in the watershed followed distinct seasonal and spatial patterns during the rainy season, grazing pressure ...


Mwendera, E.J.Mohamed-Saleem, M.A.Dibabe, A.[The effect of livestock grazing on surface runoff and soil erosion from sloping pasture lands in the Ethiopian highlands]The effect of livestock grazing on surface runoff and soil erosion from sloping pasture lands in the Ethiopian highlands

Twenty surface soils (0 to 15 cm), selected to represent a wide range of available potassium (K) status and three different land-use systems (fodder bank, continously fertilized cropped land and fallow land) across the subhumid zone of Nigeria, were used for the investigation. Laboratory and gree...


Tening, A.S.Omueti, J.A.I.Tarawali, G.Mohamed-Saleem, M.A.[Potassium status of some selected soils under different land-use systems in the subhumid zone of Nigeria]Potassium status of some selected soils under different land-use systems in the subhumid zone of Nigeria

The species composition of grazing lands can be influenced by livestock and grazing pressure. A study on manure seed bank was conducted in Ghinchi highland Research Site in Ethiopia between 1995 and 1997. the data on species composition and life-form of the plants germinating in pots receiving ai...


Woldu, Z.Mohamed-Saleem, M.A.[Grazing induced biodiversity in the highland ecozone of East Africa]Grazing induced biodiversity in the highland ecozone of East Africa

Germination and survival of indigenous annual Trifolium species were studied. Seedlings naturally emerging in the field and from sown seeds in pots were regularly counted and uprooted, and survival was studied by monitoring colour-coded seedlings. Differences in recruitment of Trifolium species w...


Dauro, D.Mohamed-Saleem, M.A.Gintzburger, G.[Recruitment and survival of native annual Trifolium species in the highlands of Ethiopia]Recruitment and survival of native annual Trifolium species in the highlands of Ethiopia

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