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防治果树和浆果作物的病虫害是决定果园产量的重要措施.病虫害防治关系到毒性化学药剂的使用.这时一方面必须用有毒化学药剂处理果园,而另一方面必须防止由于这些处理所引起蜜蜂的死亡和中毒的危险.对防止蜜蜂中毒具有直接关系的主要规则是禁止在开花时期用化学药品处理果园.应当选择这样的防治方法和日期,使它能保证最好在离开使用毒剂的地方有最少的毒物散布.譬如风大时用喷雾代替撒粉,风平息时不在白天而
Prevention and control of pests and diseases of fruit trees and berry crops are important measures for determining orchards production. Pest management involves the use of toxic chemicals. On the one hand, it is necessary to dispose of orchards with toxic chemicals and on the other hand to prevent bees from being caused by these treatments The danger of death and poisoning The main rule that has a direct bearing on the prevention of bee poisoning is to prohibit the use of chemicals in orchards during the blooming period.The method of prevention and treatment should be chosen so that it ensures that it is best to leave it where it is best For example, when the wind is big, spray instead of dusting, the wind is not calm during the day