?url_ver=Z39.88-2004&rft_id=10.1007%2Fs11356-020-11016-3&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Asadyar&rft.aufirst=Leila&rft.au=Asadyar%2C+Leila&rft.title=Environmental+Science+and+Pollution+Research&rft.issn=0944-1344&rft.volume=28&rft.atitle=Soil-plant+nitrogen+isotope+composition+and+nitrogen+cycling+after+biochar+applications&rft.issue=6&rft.date=February+2021&rft.genre=article