Effects of different nitrogen:phosphorus levels on the growth and ecological stoichiometry of Glycyrrhiza uralensis
Ju-Ying HUANG, Hai-Long YU, Li-Li WANG, Kai-Bo MA, Yang-Mei KANG, Ya-Xian DU
Chin J Plant Ecol . 2017, (3): 325 -336 .  DOI: 10.17521/cjpe.2016.0230