叶面宝是一种复合型叶面喷施肥,经多种果树叶面喷施增产效果显著,为探索其对板栗的增产效果,我们进行了小面积试验调查和大面积推广应用。 小面积试验在四处板栗园进行,试材分别为9年生金丰栗, 35年生泰安明栗, 30年生红栗, 11年生红光栗。叶面宝为北京延庆农化厂生产,喷施浓度 Foliar Po is a compound type of foliar fertilization by a variety of fruit foliar spray yield stimulation effect is significant, in order to explore its yield-increasing effect of chestnut, we conducted a small area test survey and large-scale promotion and application. Small area test was carried out in chestnut garden around, the test materials were 9-year-old Jinfeng Li, 35-year-old Tai’an Mingli, 30-year-old red chestnut and 11-year-old red chestnut. Ye Bianbao Beijing Yanqing agrochemical production, spray concentration