岷山红三叶改良亚高山草甸退化草地效果研究

Effects of Trifolium pratense cv.Minshan improving degraded sub-alpine meadow

研究了岷山红三叶对亚高山草甸退化草地的改良效果,结果表明:运用岷山红三叶改良退化的亚高山草甸草地,可抑制马先蒿等毒害草的生长,迅速提高天然草地的草丛高度,使地上植物量提高30%,可食植植量所占百分比显著增加,极大地改善了亚高山草甸草地的质量和生产能力,表明运用岷山红三叶改良亚高山退化草地技术具有推广应用价值。

Effects of Trifolium pratense cv. Minshan improving degraded sub-alpine meadow were carried out. The results showed that main poisonous weed such as Pedicularis could be inhibited, bushes could grow high,aboveground biomass increased by 30%,ratio of edible biomass raised obviously, quality and the production capacity of natural grassland had been greatly improved by planting Trifolium pratense cv. Minshan. It demonstrated that Trifolium pratense ev. Minshan could improve degraded sub-alpine meadow significantly.