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根据１９８２、１９９２ 和 １９９７ 年对黑龙江省东部地区大豆主要种植区杂草的调查结果，明确了该地区大豆田杂草种群及群落演变趋势及影响种群演变的因素。介绍了大豆田除草的关键时期、常用除草剂种类及其使用技术。
According to the survey results of weeds in the main planting areas of soybean in eastern part of Heilongjiang Province in 1982, 1992 and 1997, the evolution characteristics of weed population and community in soybean field and the factors affecting the population evolution were clarified. The key period of weeding in soybean field, the types of herbicides used and the techniques used are introduced.