Effects of NH4+-N on Nitrate Accumulation and Its Mechanism of Pak-choi
CHEN Long-zheng, LIANG Liang, XU Hai, SONG Bo, SU Xiao-jun, YUAN Xi-han
ACTA AGRICULTURAE BOREALI-SINICA . 2010, (6): 221 -224 .  DOI: 10.7668/hbnxb.2010.06.043