The PCL, PBS and PBSA films were considerably degraded within 50 days at 25?��C under upland dark conditions in one soil, while the PLA film was not degraded at all after 120 days in soil

The PCL, PBS and PBSA films were considerably degraded within 50 days at 25?��C under upland dark conditions in one soil, while the PLA film was not degraded at all after 120 days in soil