桑树喷施磷酸二氢钾替代春季摘芯效果试验

Experiment on the Effect of Spraying Potassium Dihydrogen Phosphate onto Mulberry Trees as a Substitute for Pinching off the Young Shoots in Spring

通过试验得出，春期桑园喷施磷酸二氧钾不仅可以提高桑叶产量和实用利用率，还可以改善桑叶叶质。较春叶摘芯起到更好的效果。本文还提出了该药剂的实用喷施方法。

The experiment revealed that it will not only enhance the yield of mulberry leaves and the practical utilization ratio,but also improve the leaf quality to spray potassium dihydrogen phosphate (KH2PO4) onto mulberry trees in spring, consequently, it brought about better results than the pinching off the young shoots from mulberry trees in spring.This paper also pointed out the practical method of this medicine spraying.