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Spatiotemporal changes of soil organic matter in the Songnen and Sanjiang plains of Heilongjiang Province over 40 years
YANG He-Ping, ZHAO Xiao-Jing, SUN Jiang-Jun
Geophysical and Geochemical Exploration . 2024, (4): 1103 -1113 .  DOI: 10.11720/wtyht.2024.0129

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