Spatial variability of soil magnetic susceptibility, organic carbon and total nitrogen from farmland in northern China
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- 作者：PingguoYanga ; lfypg@126.com" class="auth_mail" title="E-mail the corresponding author ; James M. Byrneb ; Miao Yangc
- 关键词：Spatial variability ; Magnetic susceptibility ; Soil organic carbon ; Total nitrogen ; Farmland
- 刊名：Catena
- 出版年：2016
- 出版时间：October 2016
- 年：2016
- 卷：145
- 期：Complete
- 页码：92-98
- 全文大小：1370 K
文摘
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A clear variogram of soil properties with a medium spatial dependent was observed.
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The range of spatial correlations was about 12 km for a regional scale.
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Soil profiles proved magnetic signature originated from nature and anthropogenic contribution.
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Geometric and spherical magnetic particles were identified by Scanning electron microscopy.