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This paper summarises how an international research centre may hope to be effective by forging partnership arrangements with national research systems and with research institutions in industrialised countries. A major requirement for an effective partnership is that it is an integral part of the...

Reviews vertisol management research experiences in Ethiopia. Discusses the relative potential of vertisols and Development of the Ethiopian Vertisol Program. Examines integration of research programmes and technology extension. Presents data on th economic evaluation of improved, animal-powered ...

Reports some responses of three prominent African clovers, viz, Trifolium tembense, T. rueppellianum and T. steudneri native to Ethiopia to phosphorus and combined N/P fertilizers on a P-deficient vertisol at the ILCA headquarters site.

Presents retrospects and prospects of the joint project on improved management and utilization of dark clay soils in Ethiopia. Discusses the contributions of partner institutions, the propspects for future collaboration, and the need for strengthening the foundation for the generation of advanced...

Reports on research activities carried out by ILCA's highland programme to devise an appropriate animal feed production strategy for small scale farmeres in the Ethiopian highlands. Gives a critical analysis of the available sources of animal feed, such as, roughages from native pasture, browse a...

Discusses inter-institutional collaboration undertaken in order to overcome the waterlogging constraint on vertisols of highland Ethiopia. Presents vertisol technology package for increasing crop and livestock productivity, and implemented by the joint project; good seedbed preparation, an animal...

Gives results of the 1987 main rainy season results of the trials conducted to determine the effects of vertisol surface drainage on soil and nutrient conservation, excess water disposal and wheat growth at the Debre Zeit ILCA station and at Hidi.

The main aim of land preparation is to modify and manipulate the land features so as to create favorable environment for seed establishment and crop growth. The research and Development in this field must take into account the traditional practices used by the farming community. This case study g...

Discusses the traditional and potential cropping systems for the highlands of Ethiopia. Traditional Vertisol management methods of these soils fail to overcome waterlogging problems, and therefore croping practices vary from place to place to suit the length of time left after the water is natura...

The paper is divided in five major parts. The first part is introduction. The second part deals with watershed degradation and discusses what is to be done. The third part highlights how to optimize water use at a watershed scale. The topic of the fourth section is optimizing agricultural watersh...