苹果缺钙的矫正技术近几年，由于偏施速效氮肥，我市苹果树缺钙越来越重，造成苹果苦痘病发生普遍，且严重，个别果园病果率达５５％以上，果农损失惨重。我们采用叶面喷布氨基酸钙液体肥（烟台市福山精细化工厂生产）的方法，有效地控制了苹果树缺钙，防治示范区孙受镇藕... Apple calcium deficiency correction technology In recent years, due to bias Shi quick-acting nitrogen, calcium deficiency in our city more and more heavy, resulting in apple bitter pox disease is widespread, and serious, individual orchard disease rate of more than 55%, loss of farmers heavy. We use foliar amino acid calcium liquid fertilizer (Yantai Fukuyama Fine Chemical Plant production) method to effectively control the apple tree calcium deficiency, prevention and control of the demonstration area Sun Zhen lotus ...