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去年春,禹州市一部分葡萄树发芽滞后,发芽后不是绿色,且呈黄红色。当年挂果很少,即形成小年。 主要原因是上年挂果量过多,造成了果子迟熟,谢果后缺乏管理,造成早期落叶,大量枝条不成熟,冬季抗寒力差,受了冻害。 根据我多年的实践经验,确定当年的留果量,首先看树根部入土20厘米处,横截面直径的粗细程
Last spring, a part of Yuzhou vines lagged, not green after germination, and yellow-red. When fruiting little, that is, a small year. The main reason is that there were too many fruits in the previous year, causing late maturity of fruits, lack of management after Xie fruit, causing early deciduous leaves, a large number of immature branches, poor cold resistance in winter and frost damage. According to my many years of practical experience, to determine the amount of fruit retention that year, first of all to see the root of 20 cm into the soil, the cross-sectional diameter of the thickness of the process