一、落花落果的主要原因我县通常有两次落花、落果高峰。即花后一周的落花和6月上旬的生理落果。引起脱落的原因主要有以下几方面。(一)营养不足。由于管理不善,造成树体营养不足,致使花芽分化质量差,花器官发育不健全,不能正常受精。造成早期落花。在肥料不足和早期落叶的果园,表现尤 First, the main reasons for falling flowers I County usually have two flowers, falling fruit peak. That is, a week after anthesis and the physiological drop in early June. Causes of shedding are mainly the following aspects. (A) lack of nutrition. Due to poor management, resulting in insufficient nutrition of the tree, resulting in poor quality flower bud differentiation, floral organ development is not perfect, can not be normal fertilization. Cause early flower. In poor or early deciduous orchards, especially in the performance