EFFECTS OF Pb POLLUTION ON PHOTOSYNTHETIC CHARACTERISTICS, QUALITY, AND YIELD OF TOBACCO LEAVES
MA Xin-Ming, LI Chun-Ming, YUAN Zu-Li, XIONG Shu-Ping
Chin J Plant Ecol . 2006, (3): 472 -478 .  DOI: 10.17521/cjpe.2006.0063