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近几年来,稻田恶性杂草眼子菜,危害面积逐渐扩大,严重影响水稻产量的提高。为了找出消灭眼子菜的有效药剂,去年我场广泛地进行二甲四氯消灭眼子菜的试验。试验基本情况设每亩用二甲四氯5两、3两、1.5两、7钱等四个不同剂量处理,以二·五合剂为对照(每亩用2—4—D丁脂1两、五氯酚钠1.3斤)供试品种为白金16号,每个处理面积为0.58亩。各处理均在落干后(7月10日)喷药,每亩原药均兑水80斤。喷药后各处理仅拔除稗草一次。
In recent years, the malignant weeds Ocimum cabbage field, harm area is gradually expanding, seriously affecting the improvement of rice yield. In an effort to find effective remedies for the elimination of ophthalmology, last year, I conducted a wide range of trials of MCPA to eliminate eye drops. The basic situation of the experiment set up per acre with MCPA two two, three two, 1.5 two, seven money, such as four different doses of treatment to two five Wu mixture as a control (2-4 mu D per mu with two, Sodium pentachlorophenate 1.3 kg) for the test varieties Platinum 16, each processing area of 0.58 acres. After the treatment were all dried up (July 10) spraying, the original medicine per mu of water yield of 80 pounds. After spraying the treatment only unplug barnyard grass once.