稗草危害对早稻产量的影响

China Plant Protection(2013)

Cited 0|Views21
No score
Abstract
浙江省衢州市衢江区直播稻田发生稗草[Echinochloa crusgalii (L.) Beauv.]的平均密度约为30.6株/m2。研究结果显示,防治水平达到80%时,早稻中嘉早17减产46.5%;防除水平为60%时,减产51.7%;防除水平为40%时,减产56.1%;防除水平为20%时,减产63.2%;不除草对照,减产73.5%。
More
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined