Fig. 4From: Impacts of biochar amendment and straw incorporation on soil heterotrophic respiration and desorption of soil organic carbonRelationship between CO2 efflux and temperature under no amendment (CK), 1% biochar (B1), 2% biochar (B2) and 1% wheat straw (S1) application. a Using 3-day mean temperature prior to the day of CO2 measured, and b using 7-day mean temperature prior to the day of CO2 measuredBack to article page