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Constitution
Dezembro 1999

The constitution was promulgated by the military government.

Journal Articles & Books
Dezembro 1999

A short-term improved fallow system based on forage legumes is suggested for crop-livestock farming systems in subhumid West Africa targeted to enhance soil fertility and dry season feed for cattle. At two sites, 13 legume species were compared with the natural fallow vegetation, the nutritive…

Journal Articles & Books
Dezembro 1999

A short-term improved fallow system based on forage legumes for enhancing crop and livestock components of mixed farming systems was tested in the subhumid zone of West Africa. As part of the evaluation, the ability of 11 legume species (Centrosema macrocarpum, C. pubescens, Stylosanthes…

Journal Articles & Books
Dezembro 1999

In a short-term improved fallow for crop-livestock farming systems of subhumid west Africa, rotational effects from a range of forage legumes on a subsequent maize crop were studied at two sites in south-west Nigeria. Nutrient (nitrogen, phosphorus and potassium) export from the fallows in the…

Journal Articles & Books
Novembro 1999

An assessment of the state of forestry in terms of management of different forest types for the sustainable supply of goods and services. The sustainability of current practices are discussed and recommendations and technical requirements for improved management are outlined

Journal Articles & Books
Novembro 1999
Journal Articles & Books
Novembro 1999

Une évaluation de l'état du secteur forestier sur le plan de la gestion des différents types de forêts en vue d'un approvisionnement durable des biens et des services. Le caractère durable des pratiques actuelles est discuté et les recommandations et exigences techniques pour une…

Journal Articles & Books
Novembro 1999

A study presenting the state of NWFP data collection in Chad. This overview describes the main NWFP such as gum, fruits, pharmaceuticals and aromatic plants. It also includes a description of the products and species followed by a section dedicated to the services offered by the forest.