| 高寒地区马蔺地下生物量与土壤紧实度的关系 |
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| 引用本文： | 任灵,袁子茹,董永平,陈建纲,张德罡. 高寒地区马蔺地下生物量与土壤紧实度的关系[J]. 草原与草坪, 2016, 0(4): 87-91. DOI: 10.3969/j.issn.1009-5500.2016.04.017 |
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| 作者姓名： | 任灵 袁子茹 董永平 陈建纲 张德罡 |
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| 作者单位： | 1. 甘肃农业大学 草业学院/草业生态系统教育部重点实验室/甘肃省草业工程实验室/中-美草地畜牧业可持续发展研究中心,甘肃 兰州,730070;2. 农业部全国畜牧总站,北京,100125 |
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| 基金项目： | 农业部全国畜牧总站“草原固碳与水土保持能力测算方法研究”项目资助 |
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| 摘 要： | 以高寒地区马蔺为研究对象,测定了不同土层内马蔺根系的地下生物量与土壤紧实度的关系。结果表明,土壤紧实度与地下生物量的变化趋势呈负相关关系,随土层深度的增加,紧实度逐渐增大,而地下生物量逐渐减少。0~5cm表层土壤紧实度最低,地下生物量最高;45~50cm底层土壤紧实度最大,植物地下生物量最少。与马蔺根部相同水平距离处不同土层间土壤紧实度呈显著的相关关系,而同一土层距马蔺根部不同水平距离之间土壤紧实度地下生物量之间的相关性不明显。
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| 关 键 词： | 马蔺 土壤紧实度 地下生物量 |
Relationship between underground biomass of Iris lactea and soil compaction in alpine area |
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| REN Ling,YUAN Zi-ru,DONG Yong-ping,CHEN Jian-gang,ZHANG De-gang. Relationship between underground biomass of Iris lactea and soil compaction in alpine area[J]. Grassland and Turf, 2016, 0(4): 87-91. DOI: 10.3969/j.issn.1009-5500.2016.04.017 |
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| Authors: | REN Ling YUAN Zi-ru DONG Yong-ping CHEN Jian-gang ZHANG De-gang |
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| Abstract: | The paper studied the relationship between underground biomass of Iris lactea in different soil depth with soil compaction in alpine region.The results showed that there was a negtive correlation between soil compaction with underground biomass of Iris lactea.With the soil depth increasing,the soil compaction was in-creasing and the underground biomass was decreasing.The soil compaction in 0~5 cm was lowest while the un-dergound biomass was highest.The soil compaction in 45~50 cm was highest while the underground biomass was lowest. |
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| Keywords: | Iris lactea soil compaction underground biomass |
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