The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
yi jiu qi liu nian chi yan feng fang zhi yu mi ming zong jie
Pages: 32-34
Year: Issue:  Z2
Journal: Reclaiming and Rice Cultivation

Keyword:  赤眼蜂玉米螟防治效果提高认识贫下中农实践证明增产率预测预报放蜂小面积;
Abstract: <正> 盘山县在1975年应用赤眼蜂小面积防治玉米螟取得成功的基础上,今年扩大防治面积达两万余亩,占全县玉米总面积的32%,比去年扩大了66倍。据调查,防治率达80%,增产率在17%左右,深受广大贫下中农的欢迎。两年实践证明:以蜂治螟效果好,成本低,简便易行,又无副作用,是一个防虫增产的好方法。我们的做法是:一、提高认识,端正态度我县从1975年开始试验用赤眼蜂防治玉米螟。县委对这项工作非常重视,当年
Related Articles
No related articles found