苗后防除恶性杂草除草剂筛选试验

通过对多种复配制剂进行筛选表明,48%异口恶草松1 050 mL/hm2+25%氟磺胺草醚1 200 mL/hm2+10.8%精喹禾灵990 mL/ hm2除草效果最好,综合株防效为85.6%,纯增效益55.9元/667m2,投入产出比为1:5 .1,建议大面积推广.

Herbicides screening test for post-prevention of malignant weeds

Difficult to guard against the weed harm to be serious,preventing and controlling difficulty.This experiment through to many kinds of duplicate matches the preparation to carry on screening,found the preventing and controlling malignant weed by the time the effective means.The test result indicated that,48% different wicked grass pine 1 050 mL/hm2 +25% fluorine sulfanilamide grass ether 1 200 mL/hm2 +10.8% fine kui standing grains work 990 mL/hm2 weeding effects to be best,synthesis guards against the effec...