笔者从事果树技术管理10年,园内有大型果柿树,6月上旬开花,坐果后在7月中、下旬开始自动落果,一天落2～3个,后来增至7～10个。因为树根周边有水泥地,未施秋肥,估计是营养不良所致;如实施根部追肥,又怕伤及根系。为此,笔者参考食用菌培养基的营 I engaged in fruit tree management for 10 years, the park has large fruit persimmon trees, flowering in early June, after fruit set in mid-July, late start automatically falling fruit, a day off 2 to 3, and later increased to 7 to 10. Because there is cement around the roots, no autumn fertilizer is estimated to be caused by malnutrition; such as the implementation of top dressing, but also afraid of hurting the root system. To this end, I refer to edible mushroom medium camp