| 黑麦草-白三叶人工草地退化趋势研究 |
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| 引用本文： | 张建波,李相林,万里强,陈瑞祥,赵相勇,陈伟,陈国南.黑麦草-白三叶人工草地退化趋势研究[J].安徽农业科学,2009,37(6):2444-2445. |
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| 作者姓名： | 张建波 李相林 万里强 陈瑞祥 赵相勇 陈伟 陈国南 |
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| 作者单位： | 贵州省草业研究所,贵州独山,558200;中国农业科学院北京畜牧兽医研究所,北京,100094;贵州省饲草饲料工作站,贵州贵阳,550001 |
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| 基金项目： | 国家科技支撑计划，贵州省科学技术基金 |
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| 摘 要： | 目的]研究人工草地的退化规律及趋势。方法]以贵州省麦坪基地黑麦草-白三叶人工草地为研究对象,以40个样方调查数据为基础,采用优势度、丰富度指数对不同区域的草地植被情况进行对比。结果]人工草地不同区域出现不同程度的退化。在羊舍周围因草地被采食较少,退化不严重;在坡顶和山坡上,草地类型向画眉草、毛花雀稗和白茅草地退化;在山坡下平地处,草地类型向茼蒿和双穗雀稗草地退化。结论]该研究为草地改良和南方放牧型人工草地的高效持续利用提供了依据。
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| 关 键 词： | 黑麦草 白三叶 人工草地 退化 |
Study on the Degradation Trend of Lolium perenne-Trifolium repens Artificial Grassland |
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| ZHANG Jian-Bo et al.Study on the Degradation Trend of Lolium perenne-Trifolium repens Artificial Grassland[J].Journal of Anhui Agricultural Sciences,2009,37(6):2444-2445. |
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| Authors: | ZHANG Jian-Bo |
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| Institution: | ZHANG Jian-Bo et al(Guizhou Institute of Prataculture,Dushan,Guizhou 558200) |
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| Abstract: | Objective] The study aimed to explore the degradation law and trend of artificial grassland.Method] Taking the Lolium perenne-Trifolium repens artificial grassland in Maiping Township,Guizhou Province as the research object,the grassland vegetation of 40 quadrats from different areas(area around the sheep shed,hilltop,hillside,flatland at the foot of the hill) were analyzed by comparing the dominance and richness index.Result] Degradation of different degrees appeared in various areas of this artificial ... |
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| Keywords: | Lolium perenne Trifolium repens Artificial grassland Degradation |
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