1988-1990年在本场4000 hm~2(公顷)面积上查清了鼠形动物12种。其中棕色田鼠为优势种;每公顷有害鼠141.1只。每年危害苹果树株率约为10％-15％。对棕色田鼠的危害情况,生活习性,如形态特征、活动规律、食量和繁殖等进行了研究。采取了药物、器械、清园等综合治理措施,收到了明显的效果。 From 1988 to 1990, 12 species of rodent animals were found on the 4000 hm ~ 2 (ha) area of ​​this field. Among them, the vole was dominant species; 141.1 per hectare of harmful rats. Annual damage to apple tree plant rate of about 10% -15%. The research on the damage and habits of brown voles, such as morphological characteristics, activity patterns, food intake and reproduction, were studied. Adopted drugs, equipment, Qingyuan and other comprehensive management measures, has received significant results.