[Answer of onion (Allium fistulosum) to different modalities of chemical and organic fertilizers]

abonos allium fistulosum application rates cebolla japonesa ciboule japonaise cold zones compound fertilizers crop yield dose d'application engrais organique fertilizantes compuestos fertilizantes nitrogenados humedad relativa japanese bunching onions land use nitrogen fertilizers production costs relative humidity rendement des cultures rendimiento de cultivos utilisation du sol zona fria zone froide