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果园采用化学除草省时、省力,经济上也比较合算。但有些果园由于施用技术掌握不好,常常出现效果不佳或果树出现药害的现象,给生产带来不应有的损失。为此,在施用除草剂时应注意以下几点。 1 除草剂种类 许多除草剂都有选择性,选用不当会直接影响灭草效果,各地应针对果园主要杂草种类而选用。如克芜踪防除1、2年生杂草防效较差。从近年各地施用情况看,草甘磷是较为理想的果园除草剂,对果园常见的100多种恶性杂
Orchard chemical weeding time, effort, economically more cost-effective. However, some orchards due to poor application of technology, often ineffective or fruit trees appear injury phenomenon, to bring undue loss of production. For this reason, the following points should be observed when applying herbicides. A variety of herbicides are selective herbicides, improper use will directly affect the herbicidal effect, the various places should be selected for the main orchard weed species. As grams of Wu tracking control 1, 2-year weed control less effective. Judging from the application situation around the country in recent years, glyphosate is an ideal orchard herbicide, which is commonly found in orchards of more than 100 kinds of malignant compounds