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Crop Cultivation makes agricultural soils susceptible to erosion. Land may become incapable of producing crops. Contour banks help to prevent gully erosion, the most spectacular type of erosion. This document describes design and construction of graded contour banks.
Guide de recherche de l'Iita No. 1 Leves topographiques pour les stations de recherche 1 Cartes 2 Instruments d'arpentage 3 Execution des leves topographiques 4 Calcul de ]a superficie des mampe 5 Enregistrement des donnees: Eumple 6 Utilisation de l'equipement d'arpentage: Exercioe pratique 7 Ca...
The monograph consists of two parts. The first part give a geographic overview of the region including, the topography, climate and natural vegetation. The total number of cattle, their distribution and methods of utilisation in the region outlined. The second part deals with the origin of tropic...
Presents the historical overview, current status and future prospects of goat and sheep production in the tropics. The topical aspects discussed include the origin and history of domestication, breeds available in various zones, their reproductive behaviour, breeding methods under use, feeds and ...
Discusses the production systems of small ruminants in tropical Africa with particular reference to types of sheep and goats. Topical discussions on synonyms, sub-types, race characteristics, distribution, origin, ecological zones, their products, productivity and reproduction included.
Characterisation is important in genetic resources conservation and utilization. Data of 22,934 goats were collected by a rapid survey method to characterize goats of Eritrea, northern and western Ethiopia. Multivariate analyses were employed in the classification and the tracing of the ancestry ...
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