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[期刊论文] 作者：XU Zhengyuan,CHEN Shengbo,SONG,
来源：地质学报:英文版 年份：2019
1 Introduction Black soils are a soil type with good properties and high fertility,which is very suitable for plant growth(Liu et al.,2015).Black soil resources...
[期刊论文] 作者：XU Zhengyuan,CHEN Shengbo,SONG Kaishan,ZHANG Haiming,,
来源：Acta Geologica Sinica(English Edition) 年份：2019
1 Introduction Black soils are a soil type with good properties and high fertility,which is very suitable for plant growth (Liu et al.,2015).Black soil resources are widely distributed in North Americ...
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