几种生物农药防治韭菜地蛆的效果比较１０２６００北京市大兴县芦城乡农业公司刘春启近几年，我乡的韭菜生产发展很快，现在已经有８０００亩韭菜，到１９９６年将发展到１万亩，但韭菜地蛆在我乡发生比较普遍，严重地影响了韭菜的发展。目前，在我乡韭菜地蛆防治的主要手... Several biological pesticides to compare the effect of leek to maggot 102600 Beijing Daxing County Lucheng rural agricultural company Liu Chunqi In recent years, my rural leek production developed rapidly, there are already 8000 acres of leeks, to 1996 will be developed to 1 million mu, However, leek maggot occurs more commonly in my hometown, seriously affecting the development of leeks. At present, the leek in my hometown maggot prevention and control of the main hand ...