One is clever foliar fertilizer. The grape is sprayed with foliar fertilizer and sprayed on the back of the leaves, and shoots and young fruit can also be sprayed properly. It can be sprayed during all growth periods after summer. In order to increase efficacy, drug and fertilizer can be mixed and sprayed. In addition to superphosphate, common nutrient elements can be sprayed together with melon and fruit. In the windless and rainless evening spray, the best results can also be achieved in the morning. From 8:00 to 10:00. It is usually sprayed at intervals of 10 days to 15 days, continuing 2 to 4 times.

The second is to re-build strong fruit fertilizer. After 10 days of flowering and when the fruit has mung bean size, apply fertilization. Apply 500 g of compound fertilizer to each ditch. Apply water immediately after application. The fruit is then sprayed on the leaves. This is a key fertilizer that promotes the growth of young fruit and shoot growth. It must be sprayed on time, which can effectively increase the fruit's vitality and increase production.

The third is to supplement fruit fertilizer. After harvesting, the grapes should be supplemented with nitrogen fertilizer in order to strengthen the function of the leaves, extend the life span of the leaves, increase the storage of nutrients in the tree, and post-harvest nitrogen supplementation has two methods of spraying and rooting. If the two are combined, the effect is better. Spray 0.4% urea solution, apply 4 kg of urea per mu.

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