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秦皇岛市粮食播种面积１８．１万ｈｍ２，粮食总产常年在９８万ｔ左右。据对全市农村贮粮情况进行的抽样调查，每户贮粮一般在１０００ｋｇ左右。由于农村贮粮条件简陋，任意堆放，致使粮食在贮藏期普遍遭受虫害，造成不同程度的损失。为摸清危害情况，给防治提供科学依据...
Qinhuangdao City sown area of 181,000 hm2 of food, perennial grain output at about 980,000 t. According to the sample survey of the city’s rural grain storage, grain storage is generally about 1000kg per household. Due to the poor condition of grain storage in rural areas and random stacking, the grain is generally subjected to insect pests during the storage period, resulting in different degrees of losses. In order to find out the dangerous situation and provide a scientific basis for prevention and treatment ...