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陈青春,田永超,姚霞,朱艳,曹卫星
Effects of Nitrogen Fertilizer Top-Dressing Based on Canopy Reflectance Spectra in Rice
CHEN Qing-chun,TIAN Yong-chao,YAO Xia,ZHU Yan,CAO Wei-xing
中国农业科学 . 2010, (20): 4149 -4157 .  DOI: 10.3864/j.issn.0578-1752.2010.20.004