植物生态化学计量特征及其主要假说
田地, 严正兵, 方精云

Review on characteristics and main hypotheses of plant ecological stoichiometry
TIAN Di, YAN Zheng-Bing, FANG Jing-Yun
表2 关于根系氮磷计量特征研究的文献及主要结果*
Table 2 Root nitrogen (N), phosphorus (P) concentration and N:P ratios from previous published researches*