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La sécheresse peut frapper les cultures dans les tropiques semi-humides et humides pondant la saison sèche si au cours de la dernière saison pluvieuse la pluviométrie totale a été loin d'atteindre le niveau normal.
Les effets des conditions climatiques défavorables et la persistance de la sécheresse et de la désertification sont ressentis de plus en plus profondément par plus de 60 p. 100 des pays africains.
This paper focuses on the proposals for food and agriculture development 1986 – 1990. the experiences and implications of the current crisis re-emphasize ever more sharply Africa's development priorities in the immediate future and in the long run.
The main objectives of the cooperative societies of the 1960’s were the promotion, in accordance with cooperative principles and the requirements of social justice, of better living, better business and better methods of production by reducing the cost of credit, etc.
The objectives of the diagnosis of bean production are to (1) contribute criteria for the design and completion of on-farm trials of the new bean technology and (2) to take information to research centers that helps define bean research priorities.
Providing the Procedrues and Guidelines for the Expeditious Acquisitions by the Government of Private Real Properties or Rights thereon for Infrastruture and other Goernment Development Projects
This issue of Unasylva focuses on Africa. A large part of the continent has been overrun by drought in successive years, and millions of people are exposed to hunger and malnutrition.
Le prsent numro d'Unasylva est principalement consacr l'Afrique. Une bonne partie du continent a t ravage par plusieurs annes successives de scheresse, et des millions d'tres humains souffrent de faim et de malnutrition.
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