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Effects of Straw Returning on Characteristics of Soil Aggregates in Semi-arid Areas in Southern Ningxia of China
ZHANG Peng, JIA Zhi-Kuan, WANG Wei, LU Wen-Tao, GAO Fei, NIE Jun-Feng
中国农业科学 . 2012, (8): 1513 -1520 .  DOI: 10.3864/j.issn.0578-1752.2012.08.007