Utilización de la tierra
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Metodos quimicos para el analisis de suelos acidos y plantas forrajeras
Se presenta un manual detallado que describe los metodos estandarizados de procedimiento para el analisis de suelo y tejidos vegetales con el objeto de 1) proveer a los investigadores de America tropical informacion sobre metodologia existente para los analisis de suelos acidos y plantas del tropico, 2) incrementar entre las instituciones nacionales e internacionales un intercambio de informacion sobre las metodologias empleadas en America tropical para definir y aplicar las mejores y 3) hacer que los analisis de suelos y de plantas constituyan una parte dinamica de la investigacion y permi
Multiple scale land characterization on the hillsides zone of Honduras using integrated remote sensing, GIS and agricultural census
Multi-scale analysis of the root causes of land use and cover change in Embu and Mbeere Districts, Kenya
Nationalisation de terres et regime foncier dans le sud-ouest du Nigeria
Summarises the literature on the alleged defects of traditional systems of land tenure in Nigeria. Reviews the provisions of the land use decree and their implications for rural land tenure.
Natural resources and rural agriculture: In balance or imbalance? The example of Botswana's rangelands
Assesses the effect (balance or imbalance) of the present relationships between the natural resource base and human activities; examines the role of some potentially destabilising forces, i.e, international markets, government programmes and socio-economic stratification; and reviews government's role in terms of its contributions to prudent natural resource management and options for the promotion of sustainable rural development.
Natural resources management research evolution and future plans
Niger
Niger is a landlocked country in West Africa located between 11°37´ and 23°23´ north latitude and between 00°10´ and 16°00´ east longitude, with an area of 1,267,000 square kilometers. Niger shares borders with Algeria and Libya in the north, Chad in the east, Nigeria and Benin in the south, and Burkina Faso and Mali in the west. Three-fourths of Niger is cov¬ered by the Sahara Desert. The southern part of the country is in the Sahelian climate zone, with Sudan savannah vegetation.
Nitrogen balances in farmers fields under alternative uses of a cover crop legume: a case study from Nicaragua
Canavalia brasiliensis (canavalia), a drought tolerant legume, was introduced into the smallholder traditional crop-livestock production system of the Nicaraguan hillsides as green manure to improve soil fertility or as forage during the dry season for improving milk production.