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春播玉米是我地棉旱区的主要秋粮作物,单作或与棉花、麦子、蚕豆等作物夹套种。玉米播种期(4月)和成熟期间(8月)正逢田间鼠类贫食期,加之分户种植,使鼠类活动集中,鼠害十分严重。1987-1989年调查,播种期间穴害率10.3-45.4％,严重田块要重、补种多次才能保住全苗:成熟期间穗被害率6-17.2％,产量损失3.08-16％。全县玉米因鼠害每年损失产量250万公斤,亩均12.5
Spring sowing corn is the main autumn crop in the cotton arid region of my country. It is used for crop intercropping with crops such as cotton, wheat and broad beans. Maize sowing period (April) and maturing period (August) coincided with the poor period of rodents in the field, combined with household cultivation, so that the concentration of rodents, rat damage is very serious. 1987-1989 survey, the hole rate of 10.3-45.4% during seeding, serious field to heavy, replanting several times to keep the whole plant: maturing ear damage rate of 6-17.2%, yield loss of 3.08-16%. Entire county due to rat loss of corn production 2500000 kilograms, mu 12.5