Crop production using cover crops and sods as living mulches; workshop proceedings Apr 21-22, 1982 at Oregon State Univ., Corvallis

arbre fruitier christmas trees citrus control de roedores cover plants erosion escarda fruit trees gestion du sol gramineas graminee grasses huerto frutal lutte antirongeur manejo del suelo mulch mulches orchards plantas de cobertura plante de couverture rodent control soil management verger vignoble vineyards weed control