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快杀稗(二氯喹啉酸),是一种特效选择性除草剂。对稗草、鸭舌草、水芹等有特效。 常用快杀稗的剂型为50%可湿性粉剂。具有高效、低成本、持效期长、对人畜安全、不污染环境等特点。 使用方法 施药量:每亩用量30~50克,稗草叶龄大,用高限剂量。施药时期:插秧田插秧后5~20天,稗草2~4叶期施药最佳;直播田水稻2~3叶期后,稗草3~4叶期施药最佳。施药方法:喷雾处理。用药前2天将田水排干,喷药后2~3天放水回田,保持3~5厘米水层5~7天。
Fast barnyardgrass (quinclorac), is a special effect selective herbicide. Echinochloa grass, Monochoria, cress and other effects. Commonly used fast barnyard dosage form is 50% wettable powder. With high efficiency, low cost, long duration, the safety of people and livestock, does not pollute the environment and so on. Usage Dosage: 30 ~ 50 grams per acre, barnyard grass leaf age, with the high dose. Application time: 5 to 20 days after transplanting seedling transplanting, barnyardgrass 2 to 4 leaves the best application; direct seeding rice 2 to 3 leaf stage, the barnyard grass best application of 3 to 4 leaf stage. Application method: spray treatment. Field water drained 2 days before treatment, 2 to 3 days after spraying the water back to the field, to maintain 3 to 5 cm of water 5 to 7 days.