The grape is more summer and the three fertilizers

First, skillfully apply foliar fertilizer. Grape foliar spraying to spray mainly in the dorsal, shoots, immature fruit may be appropriately sprayed. It can be sprayed during the entire growth period after summer. In order to improve work efficiency, it can be mixed with medicine and fertilizer. In addition to superphosphate, the general nutrients can be mixed with melon and fruit , and it can be sprayed in the evening without wind and rain . It can also be used in the morning. 8 to 10 o'clock. Generally , spray once every 10 days to 15 days, 2 times to 4 times.

Second, heavy application of strong fruit fertilizer. Fertilization was carried out 10 days after flowering and when the fruit had mung bean size. 500 g of compound fertilizer was applied to each ditch , and the soil was covered with water after application . Spraying melon and fruit on the foliage, this is a key fertilizer that promotes the expansion of young fruit and the growth of shoots. It must be sprayed on time, which can effectively increase the expansion of the fruit and increase the yield.

3. After harvesting the grapes, the nitrogen fertilizer should be replenished in time to enhance the function of the leaves, prolong the life of the leaves, increase the nutrient storage of the trees, and post-harvest nitrogen supplementation has two methods: spraying and root application. good. Spraying with 0.4% urea solution, the urea root applied per acre preferably 4 kg.