Articles by Jian'en Gao
ORIGINAL RESEARCH
Conversion of Slope Cropland to Terrace Influences Soil Organic Carbon and Nitrogen Stocks on the Chinese Loess Plateau
Pol. J. Environ. Stud. 2021;30(1):315–325
ORIGINAL RESEARCH
How Adding Biochar Improves Loessal Soil Fertility and Sunflower Yield on Consolidation Project Land on the Chinese Loess Plateau
Pol. J. Environ. Stud. 2020;29(5):3759–3769
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