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Evaluation of Cultivated Land Soil Fertility Based on Membership Function and Principal Component Analysis
JIANG Bing, WANG Songtao, SUN Zengbing, ZHANG Hairui, WANG Jian, LIU Yang
Chinese Agricultural Science Bulletin . 2023, (2): 22 -27 .  DOI: 10.11924/j.issn.1000-6850.casb2022-0063