精品成在人线av无码_黑鬼吊太大少妇尖叫_文豪野犬4季免费观看简体中文_97在线视频人妻无码_91新人在线?看_babesvideos极品另类

Effectively prevent diseases, and have obvious preventive effects on cherry brown spot and bacterial perforation.
The fruit has bright appearance, uniform size, and outstanding taste, and the average sugar content is increased by about 3 degrees;
The leaves are stretched, oily green, thickened, and the photosynthesis efficiency is high, which effectively solves the sub-health problems that appear in the life cycle of the tree;
The fruit shrinkage rate of a single branch on the same tree age and position can be reduced by 43.2%.
Effectively improve stress resistance and reduce the impact caused by bad weather such as low temperature and rain.
Promote the differentiation of flower buds, and flower buds are significantly larger and fuller, without black core phenomenon
Trial time: MAY 2020- MAR. 2021
Trial location: Lashushan Village, Qidingshan Street and Yangshu Village, Dongjiagou Street, Jinpu New Area, Dalian City