[That's the way potatoes grow [organic farming - fertilizer application - pest control - Italy]]

abonos verdes agricoltura biologica agriculture biologique analisi del terreno analyse de sol antiparassitari batterici application rates azote azoto bacterial pesticides botanical insecticides control de plagas controllo dei parassiti dose d'application dosi di applicazione edaphic factors engrais vert farmyard manure fattori edafici fertilisation fertilizer application fosforo fumier green manures insecticidas de origen vegetal insetticidi di origine vegetale italia italie italy letame lutte antiravageur nitrogen nurse crops organic farming pest control phosphore phosphorus plaguicidas bacterianos planta-abrigo plante d'abri precocidad precocity rotation culturale rotational cropping soil testing solanum tuberosum sovescio verde variedades varieties