Grape planting techniques: how to fertilize grapes in summer?

How to fertilize grapes in summer? Please give guidance on summer fertilization of grapes can refer to the following methods: first, skillfully apply foliar fertilizer. Grapes are sprayed with foliar fertilizer, mainly on the back of leaves, and branches and young fruits can also be sprayed properly. It can be sprayed throughout the growth period after the beginning of summer. In order to improve work efficiency, mixed spraying of medicine and fertilizer can be adopted. except calcium superphosphate, general nutrient elements can be sprayed with melon and fruit Zhuangtiling, which is the best in the evening without wind and rain, and can also be carried out from 8 am to 10:00 Generally spray once every 10 to 15 days, 2 to 4 times in a row. Second, re-apply strong fruit fertilizer. Fertilization was carried out 10 days after flowering or when the fruit was the size of mung bean grains. 500 grams of compound fertilizer was applied to each plant, and the soil was watered in time after application. Then spray melon and fruit Zhuangtieling on the leaf surface, which is a key fertilizer to promote the expansion of young fruit and the growth of branches, which must be sprayed on time, which can effectively improve the expansion vitality of fruit and achieve the effect of increasing yield. Third, after grape harvest, nitrogen fertilizer should be applied in time to enhance leaf function, prolong leaf life and increase tree nutrient storage. There are two methods of nitrogen supplement after harvest: spraying and root application, and the effect is better if the two are combined. 0.4% urea solution is used for spraying, and 4 kg urea per mu is suitable for root application. Click to get more grape planting techniques click to get more fruit planting techniques