摘要
通过对依安县大豆田间杂草的种类、数量进行调查及数据分析,探寻其发生的原因,对杂草发生的爆发性、种群密度大、杂草发生高峰与大豆出苗高峰同步等特点进行了分析,找出依安县大豆田化学除草存在的问题,为今后杂草治理提供依据。
Based on the Yian soybean weed species,the number of surveys and data analysis,to explore the reasons for its occurrence,the occurrence of the outbreak of weeds,population density,weed infestation and the peak heights with the emergence of soybean and other characteristics of the synchronization analysis,chemical weed control in soybean fields Yian identify problems,provide the basis for future weed control.
出处
《安徽农学通报》
2011年第19期58-59,94,共3页
Anhui Agricultural Science Bulletin
关键词
依安县
大豆
杂草
发生规律
Yian County
Soybean
Weeds
Occurrence regularity