Thorough examination of the surfaces of PLA_1 and PLA_2 films after 3, 6 and 12 months of degradation in soil, no changes due to erosion were noticed neither in the color of the film nor in its original shape.

Thorough examination of the surfaces of PLA_1 and PLA_2 films after 3, 6 and 12 months of degradation in soil, no changes due to erosion were noticed neither in the color of the film nor in its original shape.