大丰高效叶面专用喷肥大丰系列高效叶面专用喷肥是根据各种农作物对氮、磷、钾、微量元素及生长调节剂的特殊需求及生理特点，采用先进工艺合成，获国家专利（由河北省农科院棉花所与台湾、广西合资生产）。各种专用喷肥不仅增产效果显著，还增强作物的抗旱、抗热、抗寒和... Dafeng efficient foliar fertilizer Dafeng series of efficient foliar fertilizer is based on a variety of crops on nitrogen, phosphorus, potassium, trace elements and growth regulators of the special needs and physiological characteristics, the use of advanced technology, won the national patent ( By the Hebei Academy of Agricultural Sciences cotton and Taiwan, Guangxi joint venture production). All kinds of special fertilizer not only increase yield significantly, but also enhance the crop drought, heat, cold and ...