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随着一年一度秋耕备播工作的开始,又到了农民朋友防治地下害虫的重要时机。据农民朋友反映,目前市场上的土壤处理剂,不是杀不死地下害虫,就是只能杀死部分地下害虫,使庄稼仍然缺苗断垄,严重制约农业生产。地下害虫难以杀灭、杀净的原因是什么呢一、地下害虫分布比较隐蔽,一般土壤处理剂的颗粒较大,撒施到土壤中的药物微粒分布密度较小,以致触及不到地下害虫。科学实验证明,要保证杀虫效果,每立方米土壤中的药粒数量应在7000个以上,而一般产品每立方米土壤中的药粒数量仅有2500个左右。二、一般土壤处
With the beginning of the annual autumn planting and broadcasting work, it is also an important time for peasant friends to control underground pests. According to farmers’ friends, the current soil treatment agent on the market is not to kill immortal pests, that is, it can only kill some underground pests, so that crops still lack seedlings and severely restrict agricultural production. Underground pests are difficult to kill, kill the net what is the reason? First, the distribution of underground pests more subtle, general soil treatment agent larger particles spread to the soil in the distribution of drug particles smaller density, so touch less than underground pests. Scientific experiments show that in order to ensure insecticidal effect, the number of drug particles per cubic meter of soil should be more than 7,000, while the general product is only about 2,500 particles per cubic meter of soil. Second, the general soil Department