緩控釋肥料就是將難溶的或難以被微生物降解的物質與化肥養分（主要是氮）xiangjiehehuobaoguohuafei
，huozhejiangfeiliaozhichengdakeli
，shifeiliaoshiruturanghou，yangfenmanmandishifang。yinernengtigaofeiliaodeliyonglv，bingjianshaoduihuanjingdewuran
，youyuchengbenjiaogao，muqianguoneizhuyaoyongyuguoshu、蔬菜及其他高價值作物。