Fig. 2From: Impacts of biochar amendment and straw incorporation on soil heterotrophic respiration and desorption of soil organic carbonDiurnal variation of CO2 efflux under no amendment (CK), 1% biochar (B1), 2% biochar (B2), 1% wheat straw (S1) and 2% wheat straw (S2) application. Dashed black lines denote daily mean temperatureBack to article page