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Abstract, PLoS One, 2017 Sustainability of maize-based cropping systems is a major challenge for southern Africa, yet the demand for maize as staple food and animal feed in the region continues to increase. A study was conducted on a sandy clay loam (220 g clay kg-1soil) at Domboshawa in Zimbabwe...
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01 دسمبر 2001 A series of articles on soil organic matter and nitrogen availability in agroforestry systems, cycling of subsoil nutrients and rooting, phosphorus supply and availability, and organic sources of nutrients. 2 volumes Part I, Research publications in international journals Part 2, Reviews
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01 جون 2011 This booklet tells what you need to know about soils, what fertile soils are, how I can assess the fertility of soil, organic soil fertility management, soil and water conservation, improving soil organic matter, and soil fertility supplements. 13 pages, illustrated African Organic Agriculture...
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01 جنوری 2004 This notebook contains three sections, integrated soil and fertility management, belowground biodiversity, and participatory research and scaling up of soil fertility restoration technologies. Notebook, various page numbers, illustrated
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01 جنوری 1995 This booklet explains some techniques practiced by farmers in Nusa Tenggara to maintain or increase the productivity of their farms. 2 copies 32 pages, illustrated
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01 جنوری 1996 This booklet looks at soil fertility problems. It discusses the use of chemical or organic fertilizers. Agrodok 2 27 pages, tables
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01 اکتوبر 2000 64 pages, illustrated, photos Policy and Best Practice Document 7
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01 جنوری 1990 This IIED booklet draws conclusions on the relevance of development of small scale farmers' activities to restore soil and soil fertility in Hondurus.
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01 جنوری 1980 This book explains how "any soil can be cultivated and any plants grown, a garden in which no treatment of any kind, prevention or curative will be applied, considering as we do that a treated soil or plant is incapable of producing a sturday lineage." It also contains information on producing...
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Sustainability of agricultural systems is a major global concern due to population growth and a number of environmental factors. This book addresses the key to the development of sustainable agriculture-management of soil fertility. Combining data from temperate and tropical regions, it presents...