Phosphorus does not alleviate the negative effect of nitrogen enrichment on legume performance in an alpine grassland
Fei Ren, Weimin Song, Litong Chen, Zhaorong Mi, Zhenhua Zhang, Wenyan Zhu, Huakun Zhou, Guangmin Cao, Jin-Sheng He
J Plant Ecol . 2017, (5): 822 -830 .  DOI: 10.1093/jpe/rtw089