蔬菜种类多,栽培方式复杂,因此对化学除草技术的要求比较严格。蔬菜地对除草剂品种的要求是:①选择性强,能对多种蔬菜安全;②降解迅速,在蔬菜中无残留;③广谱,能兼治多种杂草;④在土壤中易分解,持效期及残留期短,对套种及复种的蔬菜无毒害作用。现将常见蔬菜的除草常识介绍如下 Many types of vegetables, cultivation methods are complex, so the technical requirements of chemical weed more stringent. The requirements for the varieties of vegetables on the herbicides are: ① strong selectivity, can be a variety of vegetables safe; ② rapid degradation, no residue in vegetables; ③ broad-spectrum, can cure a variety of weeds; ④ easy decomposition in the soil, Persistence and residual period is short, no effect on interplanting and multiple cropping of vegetables. The common weed common vegetables are described below