
Keywords: آنیون ارگانیک; Phosphorus; Penicillium; Phosphate-solubilizing microorganism; Solubilization mechanisms; Biochar; P; phosphorus; OA; organic anion; PR; phosphate rock; PSM; Phosphate-solubilizing microorganism; BC-P; biochar phosphorus; Ca-P; calcium phosphate; Fe-P; ir