密达颗粒剂防治水稻旱育秧床蝼蛄蝼蛄是我地水稻旱育秧床的重要害虫，常钻松苗床，咬断水稻秧根，对秧苗素质和成苗率影响极大。近年用氧乐果、晶体敌百虫等防治蝼蛄效果欠佳，１９９７年我们用密达颗粒剂进行了防治水稻旱育秧床蝼蛄试验，现将结果初报如下。选用６％密达... Mild granules prevent rice drought Nursery bed 蝼 蛄 蝼 蛄 is my field of rice dry nursery bed of pests, often drilling pine seed bed, biting off the rice seedlings, the quality of seedlings and the rate of seedlings have a great impact. In recent years, with omethoate, crystal trichlorfon and other prevention and treatment 蝼 蛄 poor results, in 1997 we used Mi Da granules for rice dry seedling 蝼 蛄 test, the results are as follows. Use 6% Mimi ...