Studying the Potential of Biochar as a Soil Amendment to Improve Crop Productivity Ramy Riad Al-Fatlawy, A. H. A. Hussein and G. V. V. Satyanarayana SHS Web Conf., 216 (2025) 01016 Published online: 23 May 2025 DOI: 10.1051/shsconf/202521601016