Strengthen the cultivation and management Zhang Zongqin said that farmers should increase manure and other organic fertilizers, and apply scientifically proportional nitrogen, phosphorus, and potassium fertilizers, and mix appropriate calcium fertilizers and other trace mineral fertilizers to promote the absorption of calcium and calcium in trees and fruits. Fruit resilience. Appropriate application of calcium fertilizer Zhang Zongqin suggested that from the first half of the month after the grapes fall, the fruit grower should spray calcium on the leaf surface and the fruit surface once every half month. The commonly used effective calcium fertilizer can be selected from Jiashi 800 to 1000 times liquid, quick-acting calcium 500 to 600 times liquid, high-efficiency calcium 500 to 600 times liquid, and amino acid calcium and calcium humate. Psa Nitrogen Generator,Psa Nitrogen Machine,Psa Nitrogen Generation System,Psa Nitrogen Gas Generator Hangzhou Zhongju air separation equipment manufacturing Co., Ltd , https://www.hzzjkfzz.com
Prevention and control of diseases and pests in the prevention and treatment of pesticides, we must be careful and a variety of diseases, particularly attention to the prevention and treatment of anthrax and fruit splitting, otherwise easily lead to large-scale infection. Pre-prevention can be used to strengthen the strong 80% tebuconazole WP 3000 times, add 70% Prosendo WP 800 times, spray once every 15 days. Special attention should be paid to the prevention of downy mildew and anthracnose in the later period. Downy mildew can be sprayed with 800 times solution of frost dimethoate (25% methylprednisolone WP); anthrax can be used 3000 times higher (40% difenoconazole SC) Liquid, while adding more solid calcium supplement to improve disease resistance.
Grape cracking prevention and treatment
Cracking is a common symptom of grape, which has a serious effect on the yield and quality of grapes. A few days ago, the reporter interviewed Zhang Zongqin, an associate professor at the Forestry College of Northwest Agriculture and Forestry University, and asked him to talk about the prevention and treatment of grape cracking.