水田稗草发生规律及对水稻产量的影响研究  

Research about regularity of outbreak on millet and it had the effect on yield

作　　者：杨春[1] 洪静[1] 孙艳[1] 任金华[1] 石长发[1] 张桂媛[2] 

机构地区：[1]双辽市农业技术推广中心,吉林双辽136400 [2]双辽市种子管理站,吉林双辽136400

出　　处：《垦殖与稻作》2005年第5期33-34,38,共3页Reclaiming and Rice Cultivation

摘　　要：用小区试验的方法,研究稗草发生规律及不同时期除草对水稻产量的影响,结果表明,耙地越早,稗草高峰期出现越早,稗草发生数量越多;耙地越晚,稗草高峰期出现也推迟,稗草发生数量减少。除草时间推迟,稗草数量增加、长势旺,对水稻产量影响加重。Use plot experiment to research regularity of outbreak on millet and weed in different period had the effect on yield, the result indicated that the earlier harrowing, the earlier appear the fastigium of millet, the more qualitity of millet; On the other hand the effect was contrary. Put off the time of weed can increase the quantity of millet and strong the growing, influence the yield.

关 键 词：水田 稗草 耙地时间 除草时期 影响 水稻 产量 

分 类 号：S451.1[农业科学—植物保护]