Saltbush propagation: seed handling from picking to planting

afrique du sud agriculteur agricultores agropastoral systems aliment pour animaux almacenamiento de semillas arbre arbuste arbustos arid zones choix de la date cueillette farmers feeds husking matorral mondado mondage multiplication des plantes nongovernmental organizations organisation non gouvernementale organizaciones no gubernamentales ovin ovinos pelletage pelleting picking piensos plant propagation scrub seed storage seedbed preparation semiarid zones sheep shrubs south africa stockage des semences timing trees zone aride