Increased plant density and reduced N rate lead to more grain yield and higher resource utilization in summer maize
SHI De-yang, LI Yan-hong, ZHANG Ji-wang, LIU Peng, ZHAO Bin, DONG Shu-ting
Journal of Integrative Agriculture . 2016, (11): 2515 -2528 .  DOI: 10.1016/S2095-3119(16)61355-2