… in the mixed crop-livestock production systems of the drylands, crop residues have great significance as sources … the economics of residue retention (RR), especially in the drylands, is scanty. By applying the endogenous switching … the Mixed Crop-Livestock Production Systems of the Moroccan Drylands. Agronomy, 11 (8). … Yigezu Atnafe Yigezu … …