稗草是我区稻田主要害草之一。群众索来采用的大水淹稗的除治方法,虽然效果也好,但因有其一定局限性,如技术掌握不当,容易引起大量漂秧、烂秧,造成严重缺苗;特別是公交系等引进良种,不耐深水淹灌,不宜采用大水淹稗方法。因此,有必要考虑药剂灭稗方法,作为农业灭稗的补充措施。今年我们用五氯酚钠及“斯达姆”(stam Barnyardgrass is one of the main pests in paddy field in our district. However, due to some limitations, improper technical control can easily lead to a large number of floating seedlings and rotten seedlings, resulting in serious shortage of seedlings. In particular, the public transport system Such as the introduction of elite, intolerant deep-water flooding irrigation, flooding barnyardworm should not be used. Therefore, it is necessary to consider the method of chemical barnyard grass as a supplementary measure to barnyardgrass in agriculture. This year we used sodium pentachlorophenate and “stam.”