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段巍巍, 李慧玲, 肖凯, 李雁鸣
Effects of Nitrogen Fertilizer on Photosynthesis and Its Physiological and Biochemical Characteristics in Ear-leaf of Maize
DUAN Wei-wei, LI Hui-ling, XIAO Kai, LI Yan-ming
华北农学报 . 2007, (1): 26 -29 .  DOI: 10.3321/j.issn:1000-7091.2007.01.007