Effect of Free Air CO2 Enrichment on Nitrogen Absorption in Leaf and Head of Winter Wheat
HAN Xue, HAO Xing-Yu, WANG He-Ran, LI Ying-Chun, LIN Er-Da
Chinese Journal of Agrometeorology . 2012, (02): 197 -201 .  DOI: 10.3969/j.issn.1000-6362.2012.02.007