PeerJ Author 100 Points Contributions by role Author 100 Contributions by subject area Agricultural Science Ecology Plant Science Soil Science Biogeochemistry Aiyun Xu PeerJ Author Summary Agricultural Science Plant Science Soil Science Past or current institution affiliations Ningxia University PeerJ Contributions Articles 1 October 31, 2022 Nitrogen fertilization and CO2 concentration synergistically affect the growth and protein content of Agropyron mongolicum Aiyun Xu, Lihua Zhang, Xiaojia Wang, Bing Cao https://doi.org/10.7717/peerj.14273 PubMed 36340197