不同土地利用方式对土壤含水量、pH值及电导率的影响

doi:10.3969/j.issn.1004-1524.2016.11.18

浙江农业学报 ›› 2016, Vol. 28 ›› Issue (11): 1922-1927.DOI: 10.3969/j.issn.1004-1524.2016.11.18

不同土地利用方式对土壤含水量、pH值及电导率的影响

杨红¹, 徐唱唱¹, 赛曼¹, 曹舰艇¹, 曹丽花¹, 张爱琴², 刘合满^{1, *}

1.西藏大学农牧学院西藏高原气候变化与土壤圈物质循环研究中心,西藏林芝 860000;
2.林芝市农牧局农业技术推广中心,西藏林芝 860000

收稿日期:2016-04-27 出版日期:2016-11-15 发布日期:2016-11-16
通讯作者: 刘合满,E-mail:liuh-m@163.com
作者简介:杨红(1991—),男,藏族,甘肃甘南人,硕士研究生,研究方向为高原(高山)生态系统。E-mail:hyang2016@163.com
基金资助:
国家自然科学基金(41161052); 西藏大学农牧学院雪域英才支持项目

Effects of land use on soil moisture, pH and electrical conductivity

YANG Hong¹, XU Chang-chang¹, SAI Man¹, CAO Jian-ting¹, CAO Li-hua¹, ZHANG Ai-qin², LIU He-man^{1, *}

1. Research Center of Climate Change and Material Cycle of Pedosphere of Tibet Plateau, Agricultural and Animal Husbandry College of Tibet University, Linzhi 860000, China;
2. Agricultural Technology Extension Center, Linzhi Bureau of Agriculture and Animal Husbandry, Linzhi 860000, China

Received:2016-04-27 Online:2016-11-15 Published:2016-11-16

摘要/Abstract

摘要： 以林芝地区八一镇5种植被类型下土壤为研究对象,研究其土壤剖面(0—50 cm)的含水量、pH值及电导率分布特征。结果表明,土地利用方式影响了土壤含水量、pH值和电导率在垂直剖面上的空间分布,尤其以表层(0—20 cm)土壤含水量和电导率受影响最为明显。草地土壤含水量表现出明显的“表聚”效应,即随着土层加深,含水量呈降低趋势。在区域空间上,土壤含水量和电导率具有较强的空间变异性,而土壤pH值的空间变异性较小。随着土层加深,各层土壤含水量和电导率之间的变异性逐渐减小。

关键词: 土地利用方式, 土壤pH值, 含水量, 电导率

Abstract: In order to clarify the soil moisture content, pH value and variation characteristics of electrical conductivity in 0-50 cm soil layer under different vegetation types, soil samples collected under 5 vegetation types in Bayi Town, Linzhi were adopted as the study object. It was shown that land use type did influence the vertical distribution of soil moisture content, pH value and electrical conductivity in soil profile, especially the moisture content and electrical conductivity in the surface layer (0-20 cm). Moisture content of grassland exhibited aggregation as the moisture content was decreased with the deepening of soil layer. Soil moisture content and electrical conductivity showed stronger spatial variability, while the variation of pH value was smaller. With the deepening of soil layer, the variation of soil moisture content and electrical conductivity in different soil layers gradually decreased.

Key words: land use pattern, soil pH value, soil moisture content, electrical conductivity

中图分类号:

S153

杨红, 徐唱唱, 赛曼, 曹舰艇, 曹丽花, 张爱琴, 刘合满. 不同土地利用方式对土壤含水量、pH值及电导率的影响[J]. 浙江农业学报, 2016, 28(11): 1922-1927.

YANG Hong, XU Chang-chang, SAI Man, CAO Jian-ting, CAO Li-hua, ZHANG Ai-qin, LIU He-man. Effects of land use on soil moisture, pH and electrical conductivity[J]. , 2016, 28(11): 1922-1927.

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不同土地利用方式对土壤含水量、pH值及电导率的影响

Effects of land use on soil moisture, pH and electrical conductivity

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