Small Ilocos Sur [Philippines] towns are big cauliflower producers

abonos npk agriculteur agricultores brassica oleracea botrytis crop yield dimension dimensions engrais npk farm income farmers fertilisation fertilizer application filipinas heat tolerance lowland market prices npk fertilizers philippines precios de mercado rendement des cultures rendimiento de cultivos revenu de l'exploitation tierras bajas tolerancia al calor variedades varieties