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7月份是露地红提葡萄的浆果成熟期,也是病虫害发生比较严重的时期。其管理措施为:水肥管理、副梢摘心、检查“尿袋”、预防日灼、防病保叶等。1.水肥管理:(1)追肥以磷、钾肥为主。(2)叶面喷施磷酸二氢钾600-800倍或胺鲜酯1000-1500倍,连喷2-3次。(3)每次降雨后及时进行中耕,切断土壤毛细管。(4)高温季节可地面覆草,以利于根系生长。2.副梢摘心:为了预防日灼,
July is the berry ripening period of red grapes in the open field and also a period of serious pests and diseases. The management measures are: water and fertilizer management, Vice shoot topping, check “urine bag ”, to prevent sunburn, disease prevention leaves and so on. 1. Water and fertilizer management: (1) Top dressing to phosphorus, potash-based. (2) foliar spraying potassium dihydrogen phosphate 600-800 times or 1000-1500 times the fresh amine, and even spray 2-3 times. (3) timely cultivating after each rainfall, cutting off soil capillaries. (4) Ground can be covered with grass in high temperature to facilitate root growth. 2. Vice shoot topping: In order to prevent sunburn,