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硬草［ＳｃｌｅｒｏｃｈｌｏａＫｅｎｇｉａｎａ（Ｏｈｗｉ）Ｔｚｖｅｌ］别名耿氏碱茅，原为麦田次要杂草，近年来在我县的部分麦田呈上升态势。１９９７～１９９８年度，笔者就其发生危害、生长习性、田间消长规律及防除药剂进行了调查与研究，现将结果初报如下：１、材料与?
Hard grass [SclerochloaKengiana (Ohwi) Tzvel] alias Gossypium herba, formerly a secondary weed in the wheat field, in recent years in some of the county wheat crop was on the rise. From 1997 to 1998, the author conducted a survey and research on its occurrence, habit of growth, law of growth and decline and field of crop control. The results are as follows: 1.