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2甲4氯已是推广使用多年的水旱田效果较好的除草剂,但有少数农户在使用时,由于方法不当,不仅没有取得理想的除草效果,且有的还产生了药害,造成了不应有的损失。现将2甲4氯在水稻田中的正确使用方法介绍如下:一、整地前白稻田的使用方法。春季,在水稻栽插前,可将待栽的白水田进行浅水(瓜皮水)灌溉,以利提高地温,诱使田中一些原有的杂草萌发。尤其是三棱草、扁杆蔗草、眼子菜之类难以防除的杂草。使其末耕先出土,出
2 A 4 Chlorine is a herbicide that has been widely used for many years in paddy field and dry land. However, due to improper methods, a few peasants not only failed to achieve the desired herbicidal effect, but also some had produced phytotoxicity, resulting in Unnecessary loss. Now 2 A 4 chlorine in the paddy field in the correct use of methods described below: First, before the preparation of white paddy land use. In spring, before paddy planting, the paddy field to be planted can be shallow water (guapi water) irrigation, in order to enhance the ground temperature, to induce some of the original Tanaka germination. In particular, weeds, such as Scutellaria barbata, flat bar cane grass, octopus and other difficult to control weeds. End of the first unearthed it, out