论文部分内容阅读
田间试验结果表明,用150 ,200 g/ 亩40 % 乙莠水悬浮剂播后苗前土壤处理防除大蒜田杂草,药后14 天的总株防效为91 .1 % 和95 .1 % ;药后45 天的总鲜重防效为89 .2 % 和90 .1 % ,明显优于对照药剂。同时可显著提高大蒜产量,增产率达15 .6 % ~17 .8 % 。且对大蒜安全,对后茬棉花无任何不良影响。
The results of field trials showed that the control of weeds in the garlic field with the soil before and after sowing with 150, 200 g / mu 40% B herbicides was 91%. 1% and 95. 1%; 45 days after drug control of total fresh weight of 89. 2% and 90. 1%, significantly better than the control agent. At the same time can significantly increase the yield of garlic, increase production rate of 15. 6% ~ 17. 8%. And the garlic safety, no adverse effects on the stubble cotton.