| 北方农牧交错带草地建植模式及效益比较研究——以宁夏盐池县马儿庄为例 |
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| 引用本文： | 刘孝勇,宋乃平,何秀珍,李勇.北方农牧交错带草地建植模式及效益比较研究——以宁夏盐池县马儿庄为例[J].草业科学,2011,28(5):813-818. |
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| 作者姓名： | 刘孝勇 宋乃平 何秀珍 李勇 |
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| 作者单位： | 西北退化生态系统恢复与重建教育部重点实验室;宁夏大学资源与环境学院;宁夏大学西部生态研究中心; |
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| 基金项目： | 国家自然科学资金项目(30960075) |
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| 摘 要： | 以宁夏盐池县马儿庄节水灌溉优质牧草种植示范项目区为研究对象,运用成本-收益比较法,分析了4种建植草地的经济效益;运用灰色综合评判法比较评判了4种建植草地的水分、养分的状况及发展趋势.结果表明,水分的高低状况是甘草-苜蓿混播草地>苜蓿草地>甘草草地>天然草地,水分的变化趋势优劣是甘草草地>甘草-苜蓿混播草地>天然草地>苜...
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| 关 键 词： | 农牧交错带 甘草草地 甘草-苜蓿草地 草地建植模式 |
A comparison of grassland establishment pattern and comprehensive profit in ecotone of pastures and farm lands in North China——A case study of Maerzhuang of Yanchi County in Ningxia Hui Autonomous Region |
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| LIU Xiao-yong,SONG Nai-ping,HE Xiu-zhen,LI Yong.A comparison of grassland establishment pattern and comprehensive profit in ecotone of pastures and farm lands in North China——A case study of Maerzhuang of Yanchi County in Ningxia Hui Autonomous Region[J].Pratacultural Science,2011,28(5):813-818. |
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| Authors: | LIU Xiao-yong SONG Nai-ping HE Xiu-zhen LI Yong |
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| Institution: | LIU Xiao-yong1,2,SONG Nai-ping1,3,HE Xiu-zhen1,LI Yong1,3(1.Key Laboratory of Restoration and Reconstruction of Degraded Ecosystem in Northwestern China,Ministry of Education,Ningxia Yinchuan 750021,China,2.School of Resources and Environment,Ningxia University,3.Western Ecological Research Center,China) |
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| Abstract: | In order to choose proper grassland establishment patterns in ecotone of pastures and farm lands in North China with quality forage planting water-saving irrigation demonstration project area at Maerzhuang of Yanchi County as the research object,the cost-benefit comparison of four types of grasslands,including natural grasslands(NG),Medicago sativa grassland(ML),Glycyrrhiza uralensis grassland(GL) and M.sativa-G.uralensis mixed grassland(M+G),on soil moisture,nutrient status and dynamics were studied by usi... |
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| Keywords: | ecotone of pastures and farm lands Glycyrrhiza uralensis grassland Medicago sativa-G uralensis mixed grassland grassland establishment pattern |
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