绥化水稻菌核病流行原因及防治对策
PLANT PROTECTION THCHNOLOGY AND EXTENSION(2000)
Abstract
近几年,水稻菌核病在绥化市发生流行,一般减产20%~30%,造成经济损失超过300万元.为了控制此病,通过实地调查,基本摸清了发病的主要影响因素,提出了行之有效的综合防治对策.
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