高原农业2025，Vol.9Issue(5)：572-584,13.DOI:10.19707/j.cnki.jpa.2025.05.005
西藏昆仑山山口不同坡向不同海拔土壤物理性质分析
Vertical Zonality of Soil Physical Properties in Kunlun Mountain Pass,Xizang
摘要
Abstract
This study in the Qinghai-tibet plateau of the kunlun mountain pass area south slope and north slope of soil as the main research object,through the sampling of different altitude in the kunlun mountain pass area south slope and north slope,the determination of soil physical properties,analyze the characteristics of the soil,the results show that:1)In 0～30 cm soil layer,surface soil capacity smaller,more loose soil,water storage capacity is stronger.2)In the soil layer of 0-30 cm,the porosity of different soil samples decreases with the elevation,and the porosity of different soil samples on the north slope is higher than that of the south slope of the foothills.3)In the 10～30 cm soil layer,the different soil water content on the north slope of the foothills shows a trend of increasing with the elevation.On the south slope of the foothills,the soil water content of each layer at low altitude was higher than that of the soil samples in the high altitude sample.4)Different soil saturated water content of the same soil layer,and the soil saturated water content of soil samples of different elevations were different.5)The negative correlation between soil aereration and altitude was highly significant.Saturated water content was positively correlated with elevation.Soil capillary porosity,total porosity,and ventilation and aeration was all significantly negatively correlated with volume weight of soil.The negative correlation between saturated water content and soil capillary water holding volume and soil bulk density was very significant.The total porosity,soil aerosity,saturated water content,and soil pipette water holding were positively associated with soil pipette porosity.Soil ventilation,saturated water content,soil capillary water holding and positively correlated with total soil porosity.The negative correlation of soil aeration was very significant with soil water content.The saturated water content and soil capillary water holding were positively correlated with soil aeration.关键词
昆仑山山口/海拔/土壤物理性质Key words
Kunlun Mountain Pass/Altitude/Soil physical properties分类
农业科技引用本文复制引用
韩紫菱,孟浩,尹惠妍,叶红,张志伟..西藏昆仑山山口不同坡向不同海拔土壤物理性质分析[J].高原农业,2025,9(5):572-584,13.基金项目
西藏农牧学院创新人才队伍建设"项目(XZMNXYRCXM-2024-06) （XZMNXYRCXM-2024-06）
第二次青藏高原综合科学考察研究(2019QZKK0405) （2019QZKK0405）
西藏农牧学院青年科研基金资助(NYQNKY2024-05) （NYQNKY2024-05）
西藏农牧学院第八批柔性引进人才项目(XZNMXYRXRC-2024-03). （XZNMXYRXRC-2024-03）
