Types and sources of soil cover: Living or dead plant material applied as mulch; Green manure, cover and forage crops; Crop residues; Fallow vegetation
Mitundu ndi kopezeka zophimbira nthaka: zomera zaziwisi kapena zouma zimayikidwa ngati zophimbira; masamba a mitengo yobwezeretsa chonde, zophimbira ndi mbeu zodya ziweto; zotsalira za mbeu, tchire 