The effect of post application of biochar on compost manure

Abstract

Composting is a reliable technology to treat food wastes (FW) and produce high quality compost. In recent years, considerable studies have been devoted to investigating the effect of biochar application on organic solid waste composting. This study investigated the performance of mature compost when biochar is applied after composting processes and compost quality. Biochar characteristics and its application coupled with the basic concepts of composting are briefly introduced before detailing the effects of biochar addition on composting. According to recent studies, biochar has exhibited great potential for enhancing composting. It is evident that biochar addition in composting can: (1) improve compost mixture physicochemical properties, (2) enhance microbial activities and promote organic matter decomposition, (3) reduce ammonia (NH₃) and greenhouse gas (GHG) emissions, and (4) upgrade compost quality by increasing the total/available nutrient content, enhancing maturity, and decreasing phytotoxicity. Despite that, this research explored the mechanism of biochar addition on composting after composting to discover any effect. From the results, there was virtually no difference in the results and the already established ones