Fig. 2

Biochar affects roots growth indicators (A-C). PB2 represents 2% addition of biochar, PB3 represents 3% addition of biochar. Data were expressed as mean± SD (n = 3)..

Biochar affects roots growth indicators (A-C). PB2 represents 2% addition of biochar, PB3 represents 3% addition of biochar. Data were expressed as mean± SD (n = 3)..