论文部分内容阅读
由于复种指数的提高,大面积秸秆还田和使用未腐熟有机肥,秋播时土壤药剂处理不到位,以及蛴螬自身的发生危害规律等多种因素影响,2009年以来,花生田蛴螬在我县连年发生,造成严重损失。一般减产20%~30%左右,重者减产60%以上,甚至绝收。蛴螬的危害严重影响了花生产量和质量,成为制约夏邑县花生生产的最主要因素。在花生田蛴螬防治工作中,出现了用药不及时,防效差,滥施高毒农药,污染重等问题。
Due to the improvement of multiple cropping index, the application of large-area straw returning to the field and the use of non-decomposed organic fertilizer, the improper treatment of soil pesticides in autumn, and the occurrence and damage of catfish itself, many other factors have affected peanut fields in 2009 Occur in successive years, causing serious losses. The general reduction of 20% to 30%, heavy reduction of more than 60%, or even absolute. Harmful harm severely affected the yield and quality of peanut, becoming the most important factor restricting the production of peanut in Xiayi County. In peanut fields 蛴 螬 prevention and control work, there was not timely medication, poor control, excessive abuse of highly toxic pesticides, pollution and other issues.