Effects of Different Nitrogen Concentration on the Morphologies and Physiological Indices of Sorghum Seedlings
MA Jian-hua, SUN Yi, WANG Yu-guo, ZHANG Jin-hua
ACTA AGRICULTURAE BOREALI-SINICA . 2015, (1): 233 -238 .  DOI: 10.7668/hbnxb.2015.01.039