Crop residue mulching in tropical and semi-tropical countries: An evaluation of residue availability and other technological implications
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This review article discusses crop residue mulching (CRM), a conservation farming approach that emphasizes groundcover from crop residues (at least 30% groundcover at time of crop emergence). Soil conservation benefits include greater water infiltration, less run-off, more water in the soil profile, and less evaporation. In (semi-)tropical countries, residues typically are a valued resource with multiple productive uses (fuel, fodder, etc.) and thus aren't available to remain as crop mulch.
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