【摘要】 近几年民勤县连年干旱,导致很多可食牧草死亡,同时毒草大量滋生。通过实地调查和收集资料,较为详细地阐述了民勤县天然草地毒草的基本情况,对当地主要毒草变异黄芪Astragulus variabilis,小花棘豆Oxtropis glabra 的地理分布、危害及其防除对策进行报告,对如何综合防治和利用提出了建议。更多还原

【Abstract】 The drought in the last few years in Minqin County caused the death of plentiful edible grasses and the prevalence of poisonous weeds. According to the investigation and data collection, the basic situation of local poisonous weeds was discussed, the distribution, damage and control strategy of the variants of poisonous weeds including Astragulus varizbilis and Oxytropis glabra were reported. Some suggestions on their comprehensive control and utilization were presented.更多还原