田鼠是坝上地区农业生产中的主要害兽,春季刨食种籽;夏季啃咬青苗,轻则缺苗断垅,重者颗粒无收;秋季拉秋盗粒,损毁大量粮食,严重地影响产量。一、坝上发生为害严重的鼠种,主要有长爪沙土鼠,沙耗子和草原黄鼠,其次是鼢鼠,纹背仓鼠等,通过调查访问,对以上主要鼠种的活动习性已 Microtus virescui is the main pests in agricultural production in Bashang. In the spring, it seizes seeds. In summer, it bites young crops, while the seeds are scarce. Yield. First, on the dam serious devastating rat species, there are long-jaw gerbils, sand rat and Prairie rats, followed by the zokor, hamster back, etc., through the survey visit, the main mouse species activity has been