First, timely spraying foliar fertilizer with new high-fat film to enhance fertilizer efficiency, sprayed on the leaf back, branch shoots, young fruit can also be sprayed properly. Sprayable fertilizer (except for superphosphate) plus strong fruit tidy to increase the amount of nutrients, increase the amount of nutrient delivery, usually sprayed once every 10 to 15 days, 2 to 4 times in a row.

Second, heavy application of strong fruit fertilizer. Fertilization is carried out 10 days after flowering or when the fruit has mung bean size. 500 g of compound fertilizer is applied to each ditch, and water is applied to cover the soil after application. It is necessary to spray strong fruit and improve the swelling activity of the fruit and promote The fruit body develops rapidly.

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. Apply 0.4% urea solution to the spray, and apply 4 kg of urea per acre.

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