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Three papers are reviewed in this paper. The first paper presents a model of biological processes to investigate long-term effects of soil and crop long-erm effects of soil and crop management strategies while the other two papers present approaches to study crop production strategies at the ente...


Fernández Rivera, S.Hiernaux, Pierre H.Y.Kaufmann, Ralph R. vonTurner, M.Williams, Timothy O.[Response to case studies of eco-regional approaches at the farm/enterprise level]Response to case studies of eco-regional approaches at the farm/enterprise level

This chapter investigates the options for improving the performance of small ruminants interms of their contribution to household incomes. The characteristics of the existing production system are first sketched in order to identify the resource requirements and constraints of the system. Based o...


Williams, Timothy O.[Scope for improvement of small ruminant production in the Sahel]Scope for improvement of small ruminant production in the Sahel

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