Determination of Critical Soil Available P Supply Levels for Vegetable Field
LI Yu-hong, LIU Peng-peng, YAN Zheng-juan, CHEN Qing
ACTA AGRICULTURAE BOREALI-SINICA . 2012, (S1): 345 -351 .  DOI: 10.3969/j.issn.1000-7091.2012.z1.067