Nitrogen and phosphorus transfers in a crop-livestock system in West Africa
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Elsevier
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Investigates Nitrogen and Phosphorus transfers in a crop - livestock system in the subhumid zone of Nigeria. Estimates N and P removed from cropland during crop residue grazing and returned to the land through manure, and the contribution crop residues make to cattle diet during the dry season.
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mixed farming, nitrogen, phosphorus, crop residues, nutrient loss, manuring, grazing, livestock, crops, nutrient utilization, dry season, feed legumes, feed production, fodder bank, fallow system