论文部分内容阅读
二氯喹啉酸防除稻田稗草有特效据吉林省通化市农科所孙桂梅等人试验,在稻田稗草1~3叶期亩用50%二氯喹啉酸可湿性粉剂(沈阳化工研究院产)45克兑水喷雾防效最理想,4~6叶期施药也具特效,1990~1991年两种施药期处理的防效分别为94.6%和91.7...
According to the test by Sun Guimei et al. Of Tonghua Agricultural Bureau of Jilin Province, Quercus mongolicola with 50% quinclorac wettable powder (produced by Shenyang Chemical Research Institute) 45 grams of watered spray the most effective control, 4 to 6 leaf stage spraying also has special effects, 1990 ~ 1991 two kinds of pesticide application of the control effect was 94.6% and 91.7 ...