?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Watanabe%2C+T&rft.aufirst=T&rft.aulast=Watanabe&rft.issn=2185-8896&rft.pages=245-253&rft.atitle=Acidification+in+Rhizospheric+Soil+of+Field-Grown+Sorghum+Decreases+Nitrification+Activity&rft.volume=49&rft.issue=03&rft.title=Japan+Agricultural+Research+Quarterly&rft.date=13+August+2015&rft.genre=article