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采用定点观察及踏察相结合的方法,调查农牧交错区保护性耕作大豆田的杂草种类及其危害;设计6大处理,研究保护性耕作大豆田杂草的综合防除效果和草害水平。结果表明:保护性耕作大豆田主要分布的杂草有6科13种;6种杂草防除措施中,综合除草效果最佳。
The combination of fixed-point observation and step-by-step method was used to investigate the weed species and its damage in the conservation tillage soybean field in the ecotone between agriculture and animal husbandry. Six treatments were designed to study the comprehensive control effects and weed levels of weeds in the conservation tillage soybean field. The results showed that there were 6 families and 13 species of weeds distributed in the protected tillage soybean field. Among the 6 weed control measures, the weed control effect was the best.