土层(cm) Soil layers

时间Time

处理Treatments

容重(g/cm³) Bulk density

0~20

7月6日July, 6

降解膜Biodegradable mulch film

1.43 ± 0.04a

CK

1.41 ± 0.07a

9月26日September, 26

降解膜Biodegradable mulch film

1.53 ± 1.14a

CK

1.38 ± 0.07a

20~40

7月6日July, 6

降解膜Biodegradable mulch film

1.48 ± 0.05a

CK

1.41 ± 0.13a

9月26日September, 26

降解膜Biodegradable mulch film

1.64 ± 0.02a

CK

1.52 ± 0.13b