Patterns and affecting factors of nitrogen use efficiency of plant leaves and roots in Nei Mongol and Qinghai-Xizang Plateau grasslands
FU Yi-Wen, TIAN Da-Shuan, WANG Jin-Song, NIU Shu-Li, ZHAO Ken-Tian
Chin J Plant Ecol . 2019, (7): 566 -575 .  DOI: 10.17521/cjpe.2019.0044

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