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. 2017 Dec 7;8:2088. doi: 10.3389/fpls.2017.02088

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Copyright © 2017 Liu, Taxipulati, Gong, Sui, Wang, Parent, Hu, Guan and Li.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Plant abundance (A), canopy cover (B) and above-ground biomass (AGB; C) of Pedicularis kansuensis under various fertilization regimes before (2013) and after (2014 and 2015) fertilization. Different letters indicate significant differences between treatments within the same year at P < 0.05, n = 4. Values are presented as means ± SE. Fertilization regimes: CK, unfertilized control; LN, fertilized with lower nitrogen level; HN, fertilized with higher nitrogen level; P, fertilized with phosphorus.