Resultados de búsqueda - "A"
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Diseases of Desmodium species - A review
Publicado 1990“…This is the first time that the great diversity of information available on diseases of Desmodium species has been summarised. It should provide a useful reference for many tropical pasture scientists.…”
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Diseases of Macroptilium atropurpureum: A review
Publicado 1985“…Resistance to several of the major diseases has been identified, but more screening of existing M. atropurpureum germplasm collections is needed. This should be given a high future priority, especially with respect to multi-institutional collaborative screening in Central and tropical South America where most of these diseases are endemic…”
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Diagnostic trials: a field guide
Publicado 2011“…This guide provides a standard tool that is part of a structured approach for the diagnosis of soil health related constraints to crop production. …”
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Tought teff set for a boost
Publicado 1986“…It thrives in high altitudes and is a staple food for...…”
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A salt lick to fertilize soils
Publicado 1986“…'Kanwa' is a mineral salt that is extracted from the subsoil in northeastern Nigeria. …”
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Land restoration: a neglected task
Publicado 1987“…ScharpenseelLand restoration: a neglected taskThere is much talk of the ecological disasters which result from clearing land by slash and burn: lowering of the water table, spreading savannah colonized by Imperata cylindrica, and...…”
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Tropical weeds: a growing menace
Publicado 1987“…FAO, Rome La contrainte enherbement et sa gestion dans le sud Saloum au Senegal / Ange, A. and P. Fontanel, 1987. Seminaire…”
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Seed potatoes the size of a pea
Publicado 1989“…African countries, which are producing increasing amounts of potatoes and therefore need to import significant quantities of seed each year, will be interested in potato <<microtubers>>, the size of a pea. These microtubers measure 4-12 mm and weigh...…”
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Wheat in the Tropics : a growing demand
Publicado 1989“…Wheat was one of thee first plants to be cultivated by mankind, and today it is a major dietary constituent of about a quarter of the world's population, according to the International Wheat Council. …”
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Oasis agriculture : a second chance?
Publicado 1989“…To both the north and the south of the Sahara interest is reviving in oases long ago abandoned by man. As a result of this renewed interest, some 80 experts, policymakers and top officials met at Tozeur in Tunisia from November 19 to 211988, on the...…”
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Legumes of Africa - a check list
Publicado 1989“…Legumes of Africa: a check-list, J.M. Lock, 1989, 619pp paperback, ISBN 0 94764310 9, price UKL15.00, available from: The Orangery Bookshop- Royal Botanic Gardens - Kew - Richmond Surrey TW9 3AB - UK…”
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Flowers and foliage - a blooming market
Publicado 1990“…Despite the highly perishable nature of these products, and the long distance from their markets, tropical countries have gained a...…”
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Screwworm - a new menace for Africa
Publicado 1990“…A newly-introduced pest poses a serious Ask for Africa's domestic and wild animals and also to the human population. …”
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