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Author:
Journal / Book Title:
Year:
Volume:
Issue:
he li shi yong nong yao
Author(s):
XU Yunyuan
Pages:
40
-
42
Year:
1989
Issue:
6
Journal:
Northern Horticulture
Keyword:
抗药性
;
农药
;
合理使用
;
病虫草害
;
害虫
;
化学防治
;
防治病虫
;
作物
;
杀菌剂
;
速灭杀丁
;
Abstract:
<正> 化学防治具有见效快、使用方便,特别是对暴发性的病虫草害,可在短期内迅速扑灭或控制危害,受地区、季节限制较小等优
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