Effects of Nitrogen Rate on Photosynthesis Rate in Flag Leaves and Grain Filling Course of Two Different Genetic-type Wheats
CAI Rui-guo, WANG Zhen-lin, LI Wen-yang, ZHANG Min, ZHOU Zhu-nan
ACTA AGRICULTURAE BOREALI-SINICA . 2004, (4): 36 -41 .  DOI: 10.3321/j.issn:1000-7091.2004.04.011