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Fuzzy Mathematics Model of Soil Nutrient Losses Under Semi-trapezoid Subordinate Function: A Case Study of Southern Mountainous Area in Anhui
汪忠国,孙怡川,陈蕾 and
Chinese Agricultural Science Bulletin . 2017, (6): 139 -143 .  DOI: 10.11924/j.issn.1000-6850.casb16040116