本刊1991年第9期发表“新型高效麦田除草荆——甲磺隆”一文后,作者来信介绍,该药在大面积试验示范过程中,发现一些新情况,所以在使用技术方面对原文进行补正。1.施药期——本药既可秋施(通常为10月下旬至12月上旬),也可返青期施(通常为3月中旬前后),从防除杂草的效果或小麦后茬作物的安全性看,以季施为好。返青期施,只宜作为一个补救措 The publication of the ninth issue of 1991, “a new type of high efficiency wheat weeding Jing - metsulfuron-a” post, the author introduced the letter, the drug in a large area of ​​experimental demonstration process, found some new situations, so the use of technology on the original text Correction. 1. Application period - The drug can be applied in autumn (usually from late October to early December), but also during the rejuvenation period (usually around mid-March), from weeding control effects or stubble crops Look at the security, season facilities as well. Green return Shi, only as a remedy