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Library ResourceDocuments et rapports de conférencedécembre, 1989
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Library ResourceRapports et recherchesdécembre, 1989
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Library ResourceDocuments et rapports de conférencedécembre, 1989
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Library ResourceRapports et recherchesdécembre, 1989Colombie, Amérique centrale, Amérique du Sud
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Library ResourceDocuments et rapports de conférencedécembre, 1989Colombie, Amérique du Sud, Amérique centrale
Important agronomic characteristics of common root and tuber crop production systems in the tropics are indicated for crops including cassava, yam, sweet potato, and edible aroids. Brief comments are also included on aspects that help correctly interpret the information obtained during the characterization process. The general context of agricultural production is analyzed, and within this context, the particular case of root crops, where the process of transformation into derived products, at both farm and regional levels, may condition the agronomic practices used.
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Library ResourceDocuments et rapports de conférencedécembre, 1989
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Library ResourceDocuments et rapports de conférencedécembre, 1989Colombie, Amérique du Sud, Amérique centrale
Using the farm as unit of analysis, diagnosis processes aimed at improving production systems are reviewed. Within a country, diagnosis should be conducted at different hierarchical levels: local (interaction between the production system and the input distribution sector, the marketing sector, possible forms of processing, and consumption characteristics); regional (appropriate selection of target site); and national (development trends and governmental policies at the macroeconomic and sectorial levels).
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Library ResourceRapports et recherchesdécembre, 1989Nigéria, Afrique, Afrique occidentale
Grazing reserves in Nigeria are areas set aside for the use of pastoralists and are intended to be the foci of livestock development. The stated purpose of grazing reserves is the settlement of nomadic pastoralists they offer security of tenure as an inducement to sedentarization through the provision of land for grazing and permanent water. This paper reviews problems associated with grazing reserves and offers suggestions to make them more productive and relevant to the needs of the intended beneficiaries.
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Library ResourceArticles et Livresdécembre, 1989
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Library ResourceRapports et recherchesdécembre, 1989Népal, Asie méridionale
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