Progress on farmer training in parasitic weed management | L'etat d'avancement de la formation des agriculteurs dans la gestionde mauvaises herbes parasites

advisory officers agriculteur agricultores argelia benin burkina faso capacity building case studies conseiller agricole control methods crop losses egipto escarda escuelas especies etiopia farmers formation integrated pest management legumes leguminosas liban libano mali maroc marruecos niger orobanche parasitic plants petite exploitation agricole plant protection plante parasite protection des plantes schools senegal small farms soudan species striga sudan togo training tunisie weed control