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7月上旬连续一周雨天,降雨300多mm,农民由于无法进行田间病虫草害防治,致使在园蔬菜病虫草害危害比较严重。1当前在园蔬菜病虫草害发生情况据我站在东西湖区系统观察点调查茄苗红蜘蛛,有虫株率70%~100%,单叶虫口数2~3头,高的达6头;夏播豇豆、甜...
In the first consecutive month of rainy days in early July, the rainfall was more than 300 mm. Peasants were harmed more seriously because of their inability to control pests and weeds in the vegetables in the garden. 1 Current Occurrences of Pest, Disease and Insect Pests in Vegetables in the Park As I stood in the systematic observation point of the East Lake and West Lake, we surveyed the spider mite spider mites, with the strain rate of 70% -100% and the number of single leaf worm 2-3, Summer broadcast cowpea, sweet ...