直播稻田20%一展清除草剂不同用药时期和药量试验示范
Shanghai Agricultural Science and Technology(2015)
Abstract
针对直播稻田杂草种类复杂、基数较高和危害偏重等特点,为提高旱直播水稻田杂草防除水平,特进行了20%一展清除草剂不同用量和不同用药时期的示范试验.结果表明,该药剂对旱直播稻田多种杂草具有较好的防除效果,可有效防除稗草、千金子、马唐、牛筋草及阔叶草水苋菜和莎草三棱草、野荸荠.以水稻3~4叶期施药为好,用药量以400mL/667 m2左右为宜.
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