[1]邱权,李吉跃*,王军辉*,等. 柴达木盆地不同居群白刺土壤养分空间变异性[J].西北林学院学报,2014,29(03):15-20.[doi:doi:10.3969/j.issn.1001-7461.2014.03.03]
 QIU Quan,LI Ji-yue*,WANG Jun-hui*,et al. Spatial Variability and Distribution of Soil Nutrients in Different Nitraria tangutorum Populations in Tsaidam Basin[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2014,29(03):15-20.[doi:doi:10.3969/j.issn.1001-7461.2014.03.03]
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 柴达木盆地不同居群白刺土壤养分空间变异性()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第29卷
期数:
2014年03期
页码:
15-20
栏目:
出版日期:
2014-05-30

文章信息/Info

Title:
 Spatial Variability and Distribution of Soil Nutrients in Different Nitraria tangutorum Populations in Tsaidam Basin
文章编号:
1001-7461(2014)03-0015-06
作者:
 邱权1李吉跃1*王军辉2*王宁3孙奎3贾子瑞2董蕾1潘昕1
 (1.华南农业大学 林学院,广东 广州 510642;2.中国林业科学研究院 林业研究所 国家林业局林木培育重点实验室,北京 100091;3.青海省农林科学院 野生植物资源研究所,青海 西宁810016)
Author(s):
 QIU Quan1LI Ji-yue1*WANG Jun-hui2*WANG Ning3SUN Kui3JIA Zi-rui2DONG Lei1PAN Xin1
 (1.College of Forestry,South China Agricultural University,Guangzhou,Guangdong 510642,China;2.Research Institute of Forestry,Chinese Academy of Forestry,Key Laboratory of Tree Breeding and Cultivation,State Forestry Administration, Beijing 100091,China;3 Institute of Wild Plant Resources,Qinghai Academy of Agricultural and Forestry, Xining, Qinghai 810016,China)
关键词:
 土壤养分空间变异地理位置白刺柴达木盆地
Keywords:
 soil nutrient spatial variability and distribution geographical location Nitraria tangutorum Tsaidam Basin
分类号:
S718.51
DOI:
doi:10.3969/j.issn.1001-7461.2014.03.03
文献标志码:
A
摘要:
 在青海柴达木盆地选择6个重要的唐古特白刺(Nitraria tangutorum)分布区域,通过测定不同白刺居群的土壤pH、有机质(OM)、全氮(N)、全磷(P)、全钾(K)、碱解N、有效P和速效K含量,对比不同白刺居群间的土壤养分差异,分析其空间变异性以及与地理位置的相关关系。结果表明:1)土壤养分含量存在显著空间变异性,土层深度对土壤养分含量有显著影响,但各养分指标含量随土层深度变化规律不明显。2)3个土层深度(0~15 cm,15~30 cm,30~45 cm)土壤pH、OM、全N、全P、全K、碱解N、有效P、速效K含量平均值变化范围分别是:8.37~9.21、3.34~20.68、0.18~1.21、0.35~0.75、16.12~22.04、5.13~553.28、1.10~52.54 g·kg-1和103.83~562.28 mg·kg-1。3)3个土层深度的各土壤养分含量平均值之间相关性分析结果表明,土壤养分含量之间存在不同程度的相关性。4)3个土层的土壤OM和全N含量纬度、经度和海拔分别呈显著正相关、负相关和负相关,表层土壤(0~15 cm)有效P和速效K含量与纬度、经度和海拔分别呈显著正相关、负相关和负相关,经度和海拔还显著影响30~45 cm深土壤速效K含量。此外,综合分析各养分含量发现怀头他拉镇白刺居群土壤肥力最高,而茶卡镇和乌兰柯柯镇肥力相对较低。
Abstract:
 In this study, six important distribution areas of Nitraria tangutorum in Tsaidam Basin were selected as research objects to study the differences in soil nutrients among different N.tangutorum populations,and to analyze the spatial variability and the relationships with the geographical locations by measuring soil pH,organic matter (OM),total nitrogen (N),total phosphorus (P), total potassium (K),hydrolysable N,available P,and available K contents.The results showed that 1) the contents of soil nutrients between different populations exhibited significant spatial variability,and soil depth had a significant effect on soil nutrient contents,but the variation rules were not obvious.2) Average pH and average contents of OM,total N,total P,total K,hydrolysis N,available P and available K of soils in 3 soil layers (0~15,15~30 and 30~45 cm) varied in the ranges of 8.37~9.21,3.34~20.68,0.18~1.21,0.35~0.75,16.12~22.04,5.13~553.28,1.10~52.54 mg·kg-1 and 103.83~562.28 mg·kg-1,respectively.3)Different correlations of soil nutrients were found among 3 soil layers.4)The contents of OM and total N in 3 soil layers were significantly and positively correlated with latitude,however,they were negatively correlated with longitude and altitude.In facial soil layer (0~15 cm),the contents of available P and available K were significantly and negatively correlated with latitude,longitude,and altitude.Longitude and altitude also significantly influenced the available K in the soil layers of 30~45 cm.In addition,comprehensive analysis on the contents of soil nutrients demonstrated that the soil fertility in Huaitou Tala township was high,while lower soil fertility was found in Chaka and Wulan Keke townships.

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备注/Memo

备注/Memo:
 收稿日期:2013-07-02 修回日期:2013-10-16
基金项目:林业公益性行业科研专项(200904033);农业科技成果转化资金项目(2011GB24320010)。
作者简介:邱权,男,在读博士,研究方向:栽培生理生态。 E-mail:qiuquan89@163.com
*通信作者:李吉跃,博士,教授,研究方向:森林培育、栽培生理生态。 E-mail: ljyymy@vip.sina.com
王军辉,博士,研究员,研究方向:林木遗传育种和森林培育。E-mail: wangjh808@sina.com
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