Effect of Partial Replacement of Nitrate in Solution by Amino Acid and Urea on Accumulation of Nitrate in Non-heading Chinese Cabbage and Lettuce
GAO Xiu-rui, CHEN Feng-min, DIAO Chun-ying, PAN Xiu-qing, WU Yan-rong, LI Bing, CHEN Gui-lin
ACTA AGRICULTURAE BOREALI-SINICA . 2008, (6): 208 -211 .  DOI: 10.7668/hbnxb.2008.06.047