?url_ver=Z39.88-2004&rft_id=doi%3A10.3390%2Fagronomy10081175&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A&rft.au=Xu%2C+A&rft.aulast=Xu&rft.atitle=Long-Term+Nitrogen+Fertilization+Impacts+on+Soil+Bacteria%2C+Grain+Yield+and+Nitrogen+Use+Efficiency+of+Wheat+in+Semiarid+Loess+Plateau%2C+China&rft.title=Agronomy+(TSI)&rft.issn=2073-4395&rft.date=August+2020&rft.volume=10&rft.pages=1-19&rft.issue=8&rft.genre=article