[Conversion begins from vitis [organic farming - fertilizer application - pest control - weed control - Italy]]

abonos organominerales agricoltura biologica agriculture biologique amendement calcique ammendanti calcici aptitude des terres azufre bacillus thuringiensis bentonita bentonite botanical insecticides choice of species clay minerals composti organici del rame control de plagas controllo dei parassiti diserbo meccanico enfermedades de las plantas engrais organique enmiendas calizas farmyard manure fer ferro fertilisation fertilizer application fertilizzanti organici fertilizzanti organominerali fumier hierro insecticidas de origen vegetal insetticidi di origine vegetale iron italia italie italy land suitability letame liming materials lutte antiravageur maladie des plantes malattie delle piante mezclado minerales de arcilla miscelazione mixing organic farming organic fertilizers organocopper compounds organomineral fertilizers parassiti delle piante pest control pests of plants plagas de plantas plant diseases polveri polvos (formulaciones) potasio potassio potassium poudre powders ravageur des plantes resistance to injurious factors resistenza ai fattori dannosi soufre sulphur vitis weeding zolfo