文章详细信息 关键词： 大果水晶梨;;无公害生产;;管理;;唐山地区 [gap=231]Keywords: Pyrus pyrifolia Nakai cv Suisho;pollution-free production;management;Tangshan Area
基于6个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
严重危害番茄的无公害生产。
Seriously endanger the environment-friendly production of tomatoes.
这是无公害生产中控制病虫害最直接、最有效的方法。
This is harmless to cultivation controls insect pest and disease to be most direct, the most effective method.
玉米作为粮、经、饲、菜多用途作物，无公害生产尤为重要。
As maize is grain, economic plant, fodder, as well as dish crop, the pollution-free production system of it is especially important.
应用推荐