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一、八月农事本月份是中熟葡萄成熟期,正值上海地区晴热少雨,局部地区会有台风和雷阵雨出现,除应重点做好葡萄采收工作外,还须注意防台以及采后的喷药和施肥。 (一)成年树的管理 1.采收前一周内停止灌水,以免降低果实糖度和风味;采前半月停止喷洒农药,以减少果实内的农药残留量,保护消费者健康。 2.防止因土壤骤干骤湿所引起的生理裂果(详见基础知识)。 3.在葡萄果实成熟期,常遭白头翁及麻雀等鸟类啄食,造成果实破伤,引起蜂类、蝶类、金龟子
August This Month is the Mature Grape Maturing Period, just as the area is sunny and drier in some areas there will be typhoons and thunderstorms appear, in addition to focusing on grape harvesting should also pay attention to prevention and post-harvest Spray and fertilize. (A) the management of adult trees 1. Stop irrigation within a week before harvest, so as not to reduce the sugar content and flavor of fruit; half a month before mining to stop spraying pesticides to reduce the amount of pesticide residues in fruits and protect the health of consumers. 2. Prevent the physiological cleavage caused by sudden wet soils (see the basics). 3. During the ripening period of grape, peck birds and sparrows are often pecked off by birds, resulting in damage to fruits, causing bees, butterflies and beetles