Now showing items 1-10 of 17
Studies on the morphology and systematics of scale insects. No. 15
(Virginia Agricultural Experiment Station, 1989-06)
Aluminum detoxification with green manures
(Taylor & Francis, 1989)
A greenhouse experiment was conducted to evaluate "liming" potential of different green manures. Ground leafy materials of cowpea (Vigna unguiculata), leucaena (Leucaena leucocephala) and guinea grass (Panicum maximum) ...
Rainfall in the Sahel
(London, UK: International Institute for Environment and Development (IIED) and The World Conservation Union (IUCN), 1989)
This issues paper is concerned with rainfall variations in ten sub-Saharan countries that can be classed as lying within the Sahelian region. The ten countries are Senegal, Mauritania, Mali, Burkina Faso, Niger, Chad, ...
D'un Aménagement Anti-érosif des Champs à la Gestion de l'Espace Rural Mali-Sud
This article analyzes how the agricultural production system in Southern Mail is contributing to the degradation of ecosystems. Since the population and mechanized agriculture has increased, so has the amount of land that ...
Technology for small-scale farmers in sub-Saharan Africa: Experience with food crop production in five major ecological zones
This report studies the technology which is available to small scale farmers in Africa and assesses its applicability in the context of financial, economic and managerial constraints which face rural households. It also ...
Measuring drought and drought impacts in Red Sea Province, Sudan
(OXFAM: Oxford, England, 1989)
The report assesses the 1987 and 1988 drought in Red Sea Province, Sudan putting it in the wider context of other droughts and floods, and the impact of food aid on the province. There are three major coping strategies ...
Some considerations on the organization and management of rangelands - the case of the Senegalese Ferlo (Sahel)
The problems associated with the exploitation of Sahelian rangelands in the Senegalese Ferlo is discussed, using a 70 000 ha area around the Labgar pastoralists' association. During the good years such as 1985, the annual ...
Crop-livestock interactions for sustainable agriculture
(London: The Sustainable Agriculture and Rural Livelihoods Programme, IIED, 1989)
An important component of the "agricultural revolution" of 18th-century Europe was the introduction of forages into crop rotations. These increased animal production and, in turn, crop yields were raised through improvements ...
Resource-poor farmer participation in research: A synthesis of experiences from nine national agricultural research stations
In 1986, ISNAR initiated a major study on the organization and management of on-farm, client-oriented research (OFCOR) in national agricultural research systems (NARS). OFCOR is a research approach designed to help research ...
Social institutions and access to resources
For over a decade African economies have been plagued by recurrent food shortages, economic decline and growing disparities between the living standards of rich and poor. A further dimension of the agrarian crisis in recent ...