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The paper is divided into two parts. The first part deals with the maitenance of soil productivity under population pressure, and the second part covers research themes and approaches for maintaining soil productivity in crop-livestock systems. Part one discusses project activities including char...
Poor soil fertility and recurrent drought are major constriants to maize production in the West Africa savanna. The development of maize cultivars with superior rooting system to absorb nitrogen and water efficiently from the soil is desirable. However, direct measurement of root characteristics ...
Striga hermonthica is a parasitic weed that attacks maize, sorghum and other staple cereal crops and has long been considered one of the greatest biotic constraints to cereal production in Africa. Use of resistant or tolerant maize varieties, a maize–legume rotation using trap crops that stimulat...
On a global basis, livestock products - meat, milk, eggs and fibre - account for 40 percent of the value of total marketed agricultural product. Animal products provide essential amino acids, vitamins and minerals to help ensure nutritionally balanced diets. In developing countries, livestock tra...
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