Characterization of Some Calcareous Soils from Henan and Their Proposed Classification in Chinese Soil Taxonomy

JU Bing; WU Kening; ZHANG Ganlin; David G.ROSSITER; LI Ling

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Characterization of Some Calcareous Soils from Henan and Their Proposed Classification in Chinese Soil Taxonomy

机译：河南一些钙质土壤的特征及其在中国土壤分类学中的分类建议

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Calcareous soils are those soils containing layers of carbonate accumulation formed by either secondary accumulation or inheritance of CaCO3 from calcareous parent materials.These soils are widely distributed in arid,semi-arid and even some humid climate environments.However,in the Chinese Soil Taxonomy (CST,3rd version),the soils that contain large amounts of CaCO3 but do not meet requirements of Aridosols are classified as Hapli-Ustic Cambosols.This group also includes many non-calcareous soils and those soils strongly affected by secondary carbonate accumulation together with quite dissimilar soils in terms of their morphology and properties.This study was conducted to determine calcification patterns and calcic processes occurring in representative pedons of calcareous soils in northwestern Henan Province,China and to classify these soils in CST.A Calcic subgroup was proposed to add within the Hapli-Ustic Cambosols.A diagnostic key was also provided to separate this subgroup from the Typic subgroup.In this way the different calcification degrees of soils were better reflected in the classification,which should lead to more uniform interpretive groups for better soil management.

机译：钙质土壤是含有钙质堆积层的土壤，这些碳酸盐层是由钙质母质的二次积累或CaCO3的继承形成的。这些土壤广泛分布于干旱，半干旱甚至潮湿的气候环境中。然而，在中国土壤分类学（ CST，第3版），含有大量CaCO3但不满足Aridosols要求的土壤被归为Hapli-Ustic Cambosols。这组土壤还包括许多非钙质土壤，以及那些受二次碳酸盐累积而强烈影响的土壤。本研究旨在确定河南省西北地区钙质代表土中钙化模式和钙化过程，并在CST中对这些土壤进行分类。还提供了诊断键以将该子组与t他是典型的亚组。这样，土壤的不同钙化程度可以更好地反映在分类中，这应该导致更统一的解释组，以更好地管理土壤。

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《土壤圈（英文版）》 |2017年第4期|758-768|共11页
作者
JU Bing; WU Kening; ZHANG Ganlin; David G.ROSSITER; LI Ling;
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作者单位

School of Land Science and Technology, China University of Geosciences, Beijing 100083 China;

School of Land Science and Technology, China University of Geosciences, Beijing 100083 China;

State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008 China;

State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008 China;

Section of Soil and Crop Sciences, Cornell University, Ithaca, NY 14850 USA;

College of Resources and Environmental Sciences, Henan Agricultural University, Zhengzhou 450000 China;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 eng
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Characterization of Some Calcareous Soils from Henan and Their Proposed Classification in Chinese Soil Taxonomy

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