３种杀线虫剂防治花生根结线虫增产效果显著花生根结线虫病在河北省东部普遍发生，常造成严重损失。据昌黎县植保站１９９０年调查，全县发病面积３０９２．９ｈｍ２，占花生种植面积的２５．６％。为了探索防治此病的有效药剂，昌黎、滦县等县从１９８５年起对呋喃丹、铁... 3 kinds of nematicide pest control pest root knot nematode production significantly improved Peanut root knot nematode disease occurs in the eastern part of Hebei Province, often resulting in serious losses. According to Changli County Plant Protection Station survey in 1990, the county incidence area of ​​3092.9hm2, accounting for 25.6% of peanut acreage. In order to explore the effective prevention and treatment of the disease agents, Changli, Luanxian counties since 1985 on carbofuran, iron ...