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李宇虹, 刘朋朋, 严正娟, 陈清

Determination of Critical Soil Available P Supply Levels for Vegetable Field

LI Yu-hong, LIU Peng-peng, YAN Zheng-juan, CHEN Qing

华北农学报 . 2012, (S1): 345 -351 . DOI: 10.3969/j.issn.1000-7091.2012.z1.067