Effects of different ratios of straw to N-fertilizer on growth of Malus hupehensis seedling and its absorption, distribution and utilization of nitrogen
CUI Tong-Li, JIANG Yuan-Mao, PENG Fu-Tian, WEI Shao-Chong
Chin J Plant Ecol . 2012, (2): 169 -176 .  DOI: 10.3724/SP.J.1258.2012.00169

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