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１材料与方法试验于１９９７～１９９８年，在通化市农科院旱田试验地进行。上质为白浆型土壤。为了加重地下害虫发生的机率，将两年的试验地均选择在大豆重茬地上进行试验。供试品种为通农１１号。甲拌磷（有效成分为５％的颗粒剂）药剂处理分别为０，１１．２５，２２．５，
MATERIALS AND METHODS Tests were conducted in the dry field of Tonghua Academy of Agricultural Sciences from 1997 to 1998. On the quality of white soil. In order to increase the probability of occurrence of underground pests, two years of experimental sites are selected to test the soybean stubble. Test varieties for the agriculture on the 11th. Phorate (5% active ingredient granules) agent treatment were 0,11.25,22.5,