Effects of Pb stress on C, N and P accumulation and allocation in Populus deltoids × P. nigra seedlings
KANG Li-Na, WU Fu-Zhong, YANG Wan-Qin, TAN Bo, XIA Lei
Chin J Plant Ecol . 2012, (6): 578 -586 .  DOI: 10.3724/SP.J.1258.2012.00578