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1995～ 1999年在过渡气候带进行了四种不同冷季型草坪草的引种试验。结果表明 ,高羊茅是实现草坪四季常绿的首选草种 ;草地早熟禾观赏性比高羊茅好 ,但有黄绿期 ;多年生黑麦草和匍匐翦股颖的观赏性最好 ,但在夏季要大片枯死 ,可用于临时性草坪建植 ,不适合作永久性草坪草。
Four different cold-season turfgrasses were introduced in the transition climatic zone from 1995 to 1999. The results showed that tall fescue was the preferred grass species for the evergreen lawn. The prairie showed better ornamental than tall fescue but yellow-green stage. The perennial ryegrass and creeping bentgrass were the best ornamental species, Summer to large dead, can be used for temporary lawn planting, not suitable for permanent lawn grass.