论文部分内容阅读
为控制农田鼠害,1989年6月~7月我们采用硝酸铵熏剂进行了田间灭鼠。方法取硝酸铵50%,锯末50%搅拌均匀。将牛皮纸裁成50×50cm正方形,称取硝酸铵、锯末混合物200~250g放入铺平的牛皮纸上,并卷紧成圆柱形,其直径为4~5cm。亲眼见田鼠跑进洞内,将制成的硝酸铵熏鼠剂从一头点燃放入洞内,洞口用土填埋(观察是否还有其它漏烟洞口同时填埋)。第3天后观察,填埋鼠洞迹形原样,证明田鼠全部被熏死洞内。
In order to control farmland rodent pests, we used ammonium nitrate fumigants for field rodent control in June-July 1989. Methods Take ammonium nitrate 50%, sawdust 50% Stir well. The kraft paper cut into 50 × 50cm square, weighed ammonium nitrate, sawdust mixture 200 ~ 250g into the flat kraft paper, and wound into a cylindrical shape, the diameter of 4 ~ 5cm. Witness the voles ran into the hole, made of ammonium nitrate smoked rodenticide from a light into the hole, the hole with landfill (to see if there are other smoke holes at the same time landfill). After 3 days of observation, landfill rodent trace-like, proving all the voles smoked dead hole.