In the Sahel of West Africa, the productivities of rangelands, croplands and livestock are inextricably linked. Cattle, sheep and goats graze rangelands and crop residues, and their manure/urine is used to fertilize crops. Rangelands provide important feeds during the manuring period, resulting i...
Powell, J.M.
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Fernández Rivera, S.
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Hiernaux, Pierre H.Y.
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Turner, M.D.
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[Nutrient cycling in integrated rangeland/cropland systems of the Sahel]
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Nutrient cycling in integrated rangeland/cropland systems of the Sahel
Gijsman, AJ
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Oberson, Astrid
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Tiessen, H.
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Friesen, Dennis K.
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[A cautionary note about the use of the CENTURY soil-organic-matter model for ecosystems on highly-weathered tropical low-P soils]
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A cautionary note about the use of the CENTURY soil-organic-matter model for ecosystems on highly-weathered tropical low-P soils
Botero Botero, Raúl
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[Papel de los pastos tropicales en la conservación de suelos ácidos en zonas de ladera]
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Papel de los pastos tropicales en la conservación de suelos ácidos en zonas de ladera
Crop growth on acid sandy soils of the Sudano-Sahelian zone is primarily limited by the low amounts of organic matter and available mineral nutrients in the topsoil. The shortening of fallow periods with population growth, the exploitation of fire wood, spatial nutrient transfers by wind and wate...
Buerkert, Andreas
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Hiernaux, Pierre H.Y.
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[Nutrients in the West African Sudano-Sahelian zone: Losses, transfers and role of external inputs]
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Nutrients in the West African Sudano-Sahelian zone: Losses, transfers and role of external inputs
The role of livestock in nitrogen cycling in mixed crop-livestock farming systems of sub-Saharan Africa was explored. Cattle were fed a range of diets to investigate the effects on partitioning of nitrogen between urine and faeces and on the chemical composition of the manures produced. The trade...
Delve, Robert J.
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Cadisch, Georg
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Tanner, J.C.
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Thorpe, W.R.
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Thorne, Peter J.
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Giller, Ken E.
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[Implications of livestock feeding management on soil fertility in the smallholder farming systems of sub-Saharan Africa]
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Implications of livestock feeding management on soil fertility in the smallholder farming systems of sub-Saharan Africa
Root turnover may contribute a significant proportion of recycled nutrients in agroforestry systems and competition between trees and crops for nutrients and water may depend on temporal fine root regrowth patterns. Fine root biomass (? 2 mm) and fine root productivity were measured during one ye...
Muñoz Arboleda, Fernando
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Beer, JW
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[Fine root dynamics of shaded cacao plantations in Costa Rica]
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Fine root dynamics of shaded cacao plantations in Costa Rica
This case study of the Hani in the Ailao mountains of Yunnan, China, highlights the importance of forests in providing local ecological services that are essential for the system of terraced agriculture. The paper investigates local people's knowledge of these ecological services, including water...
Wang Qinghua
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[Forest management and terraced agriculture: case study of Hani of Ailao mountains, Yunnan]
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Forest management and terraced agriculture: case study of Hani of Ailao mountains, Yunnan