一试验前的准备工作及试验区的选择山东省即墨县蓝村镇附近,地窪且湿,蝼蛄连年为害严重,所以我们选择该地区施行试验。我们通过村政府,选择了距离不远或毗连之土地约三十亩,动员土地所有者作为特约农户,约定播种日期至时无代价的施用杀虫毒饵,并保证施地如发现由蝼蛄为害而发生缺苗现象,即根据实际情况赔偿损失等,这样解 A pre-test preparations and the choice of test area Jimo County, Shandong Province, near the village of Blue Crest, and depression and wet, sluggish serious pests year after year, so we choose to implement the test in the region. Through the village government, we selected about 30 mu of land not far from or adjacent to it and mobilized the landowners as contracted farmers to apply insecticidal bait at no cost at the sowing date. We also pledged to ensure that if the site is found to be devastated by 蝼 而Lack of seedling phenomenon occurs, that is, according to the actual situation of compensation for losses, so solution