Straw and biochar co-application: a strategy to reduce Cd–Zn bioavailability, alleviate microbial nutrient limitations and enhance soil C stability
Biochar is widely used to remediate heavy metal-contaminated soils; however, it can increase carbon (C) limitation in soil microorganisms, potentially compromising soil ecological sustainability. Effective strategies are, therefore, needed to reduce heavy metal bioavailability while maintaining microbial activity and...