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Over the last 12 years a data base of climate, soils and crop distribution has been assembled for Latin America. Recently, socio-economic variables such as access and populations density and environmental variables such as the location of national parks, biological reserves and indian reserves ha...
Discusses issues related to land use with particular reference to rangeland and to land used for extensive or semi-extensive grazing, describing the world distribution of grazing lands, the problem of overgrazing; and practices useful in the improvement of grazing land.
Globally, 38% of the land area is agricultural land, of which 45% are located on drylands, mainly in Africa and Asia, constituting the basis for about 60% of the world’s food production. Of all farms worldwide, 83% are smallholder farm systems, whose livelihoods depend on effective land managemen...
The Llanos region of Colombia represents one of the last large agricultural frontiers and is undergoing a rapid conversion from naturalized savanna to intensive agriculture with high agrochemical inputs and tillage. This massive land-use conversion has considerable impact on ecosystem services an...
The effect of land use on the availability of soil nitrogen (N) was studied by separating total soil N into one labile and one stable fraction by oxidation and extraction of labile N with potassium permanganate. The nitrogen management index (NMI) was calculated according to Blair et al. (1995) f...
Outlines of ranch development in various districts of Kenya w. description of geographical aspects of the districts, land use and tenure systems, human population and animal population trends, and livestock marketing activities, incl. maps showing ranch boundaries and status of land adjudication.
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