Effects of Planting Patterns and Densities on Carbon and Nitrogen Metabolism and Nitrogen Use Efficiency in Summer Maize
ZHANG Qian, ZHANG Hong-sheng, JIANG Wen, SONG Xi-yun, LI Rui-guo
ACTA AGRICULTURAE BOREALI-SINICA . 2013, (5): 224 -230 .  DOI: 10.7668/hbnxb.2013.05.038