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50%二.苄.异WP在水稻旱直播田播后苗前施药,可有效地防除稗草、千金子、异型莎草、鸭舌草、节节菜等禾本科杂草、莎草科杂草和阔叶杂草,用药量1050-1800g/hm2,施药后45d对各类杂草总草株防效、鲜重防效均达91%以上,高于对照药剂42%噁草.丁草胺EC1500mL/hm2、33%二甲戊乐灵EC1800mL/hm2、50%异丙隆WP750g/hm2、10%苄嘧磺隆WP375g/hm2及人工除草处理。50%二.苄.异WP在水稻旱直播田播后苗前施药,其经济有效用量为1050g/hm2。
50% B. benzyl. Different WP in the dry land after sowing rice seedlings before spraying, can effectively control barnyard grass, cadmium, Shaped sedge, Monochamus grass, abalone and other weed grasses, Cyperaceae Weeds and broadleaf weeds, the dosage of 1050-1800g / hm2, 45d after application of all kinds of weeds on the total plant control effect, the fresh weight control effect reached more than 91%, higher than the control agent 42% evil grass. Butachlor EC1500mL / hm2, 33% pendimethalin EC1800mL / hm2, 50% isoproturon WP750g / hm2, 10% bensulfuron-methyl WP375g / hm2 and artificial weeding treatment. 50% B. benzyl. Iso WP in the dry mulching of rice after sowing before spraying, the effective amount of 1050g / hm2.