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Influence of Conservation Tillage on Top Soil Physical and Chemical Quality in Rain-fed Areas of the Loess Plateau
巩文峰 李玲玲 张晓萍 史旦旦
Chinese Agricultural Science Bulletin . 2013, (32): 280 -285 .  DOI: 10.11924/j.issn.1000-6850.2012-2370