WANG Qiang, ZHANG Qi-De, LU Cong-Ming, KUANG Ting-Yun, LI Cheng-Quan. Pigments Content, Net Photosynthesis Rate and Water Use Efficiency of Two Superhigh-Yield Rice Hybrids at Different Developmental Stages[J]. Chin J Plan Ecolo, 2002, 26(6): 647-651.