NDLI: The illuviation of CaCO3 and the deposition of clay in cal-ustic Isohumisols

Content Provider	IEEE Xplore Digital Library
Author	Bai Haifeng Li Pinfang Zhang Biao Eneji, A.E.
Copyright Year	2011
Description	Author affiliation: Department of Soil Science, University of Calabar, Nigeria (Eneji, A.E.) \|\| College of Resources and Environmental Sciences, China Agricultural University, Beijing, China, 100193 (Bai Haifeng; Li Pinfang; Zhang Biao)
Abstract	In order to understand the illuviation of CaCO3 and the deposition of clay, we chose a plot of 700 m × 900 m in the Arid Agriculture Experimental Station (AAES) of Wu Chuan in Inner Mongolia of China to serve as the study area. The study area is located in the arid and semiarid region, CaCO3 were widely exist in the soil profiles. 80 soil profiles were undertaken. We measured CaCO3 contents and soil textures. The study indicates that soil CaCO3 was mainly in sub-surface horizons. The range of CaCO3 content was from 6.7 g $kg^{−1}$ (humus horizon) to 231.1 g $kg^{−1}$ (calcic horizon). The means of CaCO3 contents varied in the order Bk > C > AB > A, and there were same trend for clay fractions. The illuviation of CaCO3 and the deposition of clay are concurrent and interactive. Usually, there is a higher clay fraction in the calcic horizon because of flocculation. Through the research, we can further study the association between CaCO3 illuvation and clay deposition.
Starting Page	2359
Ending Page	2362
File Size	515458
Page Count	4
File Format	PDF
ISBN	9781457703201
e-ISBN	9781457703218
DOI	10.1109/ICECC.2011.6067949
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-09
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Illuviation Soil measurements Calcium Materials Clay fraction Soil Software Agriculture Leaching Cal-ustic Isohumisols CaCO3 content
Content Type	Text
Resource Type	Article

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