
Keywords: WHO; C; carbon; CM; constant moisture; DW; drying and rewetting; CK; control; S+W; wheat straw; S+C1; 300 °C wheat straw biochar; S+C2; 600 °C wheat straw biochar; S+2C1; double 300 °C wheat straw biochar; S+W+C1; combination of wheat straw and its bioch