Biochar amendment suppresses N2 O emissions but has no impact on 15 N site preference in an anaerobic soil.
Ayumi HyodoSaadatullah MalghaniYong ZhouRyan M MushinskiSakae ToyodaNaohiro YoshidaThomas W BouttonJason B WestPublished in: Rapid communications in mass spectrometry : RCM (2018)
Our study used N2 O emission rates and SP values to understand biochar amendment mechanisms and demonstrated that biochar amendment reduces N2 O emissions by stimulating the last step of denitrification. It also suggested a possible shift in N2 O-reducing microbial taxa in 4% biochar samples.