土层Soil layer (cm) | 时间Time | 处理 Treatments | 土壤pH值Value | 总盐(g/kg) Total salt | 有机质(g/kg) Organic matter | 速效氮(mg/kg) Available nitrogen | 速效磷(mg/kg) Available phosphorus | 速效钾(mg/kg) Available potassium |
0~20 | 3月24日 March, 24 | 基础值 Basic value | 8.37 | 1.40 | 23.83 | 110.80 | 84.40 | 216.00 |
6月8日 June, 8 | 降解膜Biodegradable mulch film | 8.15 ± 0.09a | 2.35 ± 0.35a | 20.57 ± 0.23a | 139.05 ± 4.03a | 34.80 ± 0.28a | 160.00 ± 26.87a | |
CK | 8.15 ± 0.27a | 1.83 ± 0.50a | 22.58 ± 1.92a | 95.13 ± 14.49b | 34.90 ± 5.36a | 198.67 ± 25.01a | ||
9月26日 September, 26 | 降解膜Biodegradable mulch film | 8.14 ± 0.03a | 1.53 ± 0.78a | 22.26 ± 1.87a | 95.47 ± 15.89a | 45.97 ± 6.27a | 199.33 ± 65.29a | |
CK | 8.03 ± 0.12a | 1.53 ± 0.42a | 20.29 ± 0.78a | 77.67 ± 3.08a | 47.37 ± 13.53a | 153.33 ± 25.17a | ||
20~40 | 3月24日 March, 24 | 基础值 Basic value | 8.60 | 1.20 | 18.65 | 73.70 | 49.90 | 182.00 |
6月8日 June, 8 | 降解膜Biodegradable mulch film | 8.26 ± 0.08a | 1.47 ± 0.25a | 18.40 ± 2.90a | 80.73 ± 15.25a | 24.17 ± 11.80a | 129.67 ± 4.62a | |
CK | 8.27 ± 0.08a | 2.10 ± 0.26a | 16.83 ± 0.90a | 64.13 ± 15.41a | 10.23 ± 2.41a | 116.33 ± 6.11a | ||
9月26日September, 26 | 降解膜Biodegradable mulch film | 8.08 ± 0.21a | 1.20 ± 0.53b | 15.63 ± 2.25a | 66.30 ± 17.06a | 18.33 ± 15.44a | 135.67 ± 9.02a | |
CK | 8.12 ± 0.06a | 1.33 ± 0.06a | 13.76 ± 1.96a | 55.13 ± 7.88a | 14.87 ± 3.21b | 118.00 ± 4.00a |