?url_ver=Z39.88-2004&rft_id=10.1111%2Fsum.12314&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=V&rft.au=Manu%2C+V&rft.aulast=Manu&rft.atitle=Mulch+effect+on+successive+crop+yields+and+soil+carbon+in+Tonga&rft.title=Soil+Use+and+Management&rft.issn=02660032&rft.date=2017&rft.pages=01-08&rft.genre=article