Changes in soil quality under different agricultural management in Chinese Mollisols

Mollisols (called Black soils) are of major agricultural importance in China. Most of these soils have been used agriculturally for the last 50 years or so. Due to intensive cultivation and improper soil management, loss of organic matter and yield suppression resulting from soil erosion are serious...

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Bibliographic Details
Main Author: Liu, Xiaobing
Language:ENG
Published: ScholarWorks@UMass Amherst 2004
Subjects:
Online Access:https://scholarworks.umass.edu/dissertations/AAI3152724