Effect of Plastic Film Residue on Vertical Infiltration Under Different Initial Soil Moisture Contents and Dry Bulk Densities
Abstract
:1. Introduction
2. Materials and Methods
2.1. Experimental Site
2.2. Experimental Materials and Devices
2.3. Design and Methods
2.3.1. Experimental Design
2.3.2. Data Analysis
Testing of the Regression Equation
Testing of the Fitting Degree of the Equation
3. Results
3.1. Analysis of the MF
3.2. Analysis of theAccumulative Infiltration (AI)
3.3. Analysis of the MC
4. Discussion
4.1. Burial Depth of RPF
4.2. The RPFC
4.3. The IMCand DBD
4.4. Interaction Effects Between Two Factors
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
References
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Zj | IMC Z1/% | DBD Z2/(g/cm³) | RPFC Z3/(kg/hm²) | Burial Depth of RPFZ4/cm |
---|---|---|---|---|
r (2) | 16 | 1.45 | 200 | 30~40 |
1 | 14 | 1.41 | 150 | 20~30 |
0 | 11 | 1.35 | 100 | 10~20 |
−1 | 8 | 1.29 | 50 | 0~10 |
r (−2) | 6 | 1.25 | 0 | 0 |
Variance Source | Sum of Squares | Degree of Freedom | Mean Square | Partial Correlation | F-Ratio | P |
---|---|---|---|---|---|---|
Z1 | 430,408.2 | 1 | 430,408.2 | −0.9648 | 282.3304 | 0.0001 |
Z2 | 175,788.2 | 1 | 175,788.2 | 0.9197 | 115.3099 | 0.0001 |
Z3 | 58,608.17 | 1 | 58,608.17 | 0.8042 | 38.4446 | 0.0001 |
Z4 | 80.6667 | 1 | 80.6667 | −0.0501 | 0.0529 | 0.8203 |
Z12 | 62.3472 | 1 | 62.3472 | 0.0441 | 0.0409 | 0.8417 |
Z22 | 14,252.35 | 1 | 14,252.35 | −0.555 | 9.349 | 0.006 |
Z32 | 20,234.01 | 1 | 20,234.01 | 0.6223 | 13.2727 | 0.0015 |
Z42 | 5390.681 | 1 | 5390.681 | −0.3796 | 3.5361 | 0.074 |
Z1Z2 | 28,392.25 | 1 | 28,392.25 | −0.6856 | 18.6242 | 0.0003 |
Z1Z3 | 12.25 | 1 | 12.25 | 0.0196 | 0.008 | 0.9294 |
Z1Z4 | 72.25 | 1 | 72.25 | 0.0475 | 0.0474 | 0.8298 |
Z2Z3 | 37,442.25 | 1 | 37,442.25 | −0.7342 | 24.5606 | 0.0001 |
Z2Z4 | 2652.25 | 1 | 2652.25 | 0.2766 | 1.7398 | 0.2014 |
Z3Z4 | 702.25 | 1 | 702.25 | −0.1465 | 0.4606 | 0.5047 |
Regression | 774,098.1 | 14 | 55,292.72 | F2 = 36.26979 | 0.0001 | |
Residual | 32,014.17 | 21 | 1524.484 | |||
Lack of fit | 22,307.92 | 10 | 2230.792 | F1 = 2.52813 | 0.0001 | |
Error | 9706.25 | 11 | 882.3864 | |||
Sum | 806,112.2 | 35 |
Factors | Sum of Squares | Degree of Freedom | Mean Square | Partial Correlation | F-Ratio | P |
---|---|---|---|---|---|---|
Z1 | 1,985,291 | 1 | 1,985,291 | −0.7791 | 32.4444 | 0.0001 |
Z2 | 13,841,432 | 1 | 13,841,432 | −0.9566 | 226.2023 | 0.0001 |
Z3 | 1,303,728 | 1 | 1,303,728 | −0.7097 | 21.3061 | 0.0001 |
Z4 | 9680.97 | 1 | 9680.97 | −0.0865 | 0.1582 | 0.6948 |
Z12 | 129,160.7 | 1 | 129,160.7 | −0.3022 | 2.1108 | 0.161 |
Z22 | 484,006.6 | 1 | 484,006.6 | 0.5231 | 7.9098 | 0.0104 |
Z32 | 503,850.7 | 1 | 503,850.7 | −0.5307 | 8.2341 | 0.0092 |
Z42 | 87,288.17 | 1 | 87,288.17 | −0.2522 | 1.4265 | 0.2457 |
Z1Z2 | 58,888.73 | 1 | 58,888.73 | −0.2093 | 0.9624 | 0.3378 |
Z1Z3 | 104,022.4 | 1 | 104,022.4 | 0.2737 | 1.7 | 0.2064 |
Z1Z4 | 26,511.98 | 1 | 26,511.98 | 0.1422 | 0.4333 | 0.5175 |
Z2Z3 | 2,447,723 | 1 | 2,447,723 | 0.8098 | 40.0017 | 0.0001 |
Z2Z4 | 20,067.56 | 1 | 20,067.56 | 0.124 | 0.328 | 0.5729 |
Z3Z4 | 14,174.09 | 1 | 14,174.09 | 0.1045 | 0.2316 | 0.6353 |
Regression | 21,015,826 | 14 | 1,501,130 | F2 = 24.53208 | 0.0001 | |
Residual | 1,285,001 | 21 | 61,190.51 | |||
Lack of fit | 1,244,848 | 10 | 124,484.8 | F1 = 34.10330 | 0.0001 | |
Error | 40,152.51 | 11 | 3650.228 | |||
Sum | 22,300,827 | 35 |
Factors | Sum of Squares | Degree of Freedom | Mean Square | Partial Correlation | F-Ratio | P |
---|---|---|---|---|---|---|
Z1 | 40.3782 | 1 | 40.3782 | −0.89 | 79.9942 | 0.0001 |
Z2 | 78.9525 | 1 | 78.9525 | −0.939 | 156.4148 | 0.0001 |
Z3 | 5.0508 | 1 | 5.0508 | −0.5681 | 10.0063 | 0.0047 |
Z4 | 0.0002 | 1 | 0.0002 | −0.0044 | 0.0004 | 0.9841 |
Z12 | 0.0458 | 1 | 0.0458 | 0.0656 | 0.0906 | 0.7663 |
Z22 | 3.8157 | 1 | 3.8157 | 0.5145 | 7.5594 | 0.012 |
Z32 | 6.1864 | 1 | 6.1864 | −0.6071 | 12.256 | 0.0021 |
Z42 | 2.2103 | 1 | 2.2103 | 0.4154 | 4.3788 | 0.0487 |
Z1Z2 | 0.8236 | 1 | 0.8236 | 0.2685 | 1.6316 | 0.2154 |
Z1Z3 | 0.6765 | 1 | 0.6765 | −0.2449 | 1.3402 | 0.26 |
Z1Z4 | 2.4571 | 1 | 2.4571 | −0.4338 | 4.8677 | 0.0386 |
Z2Z3 | 1.8701 | 1 | 1.8701 | 0.3873 | 3.7048 | 0.0679 |
Z2Z4 | 0.2377 | 1 | 0.2377 | −0.1481 | 0.4708 | 0.5001 |
Z3Z4 | 1.2939 | 1 | 1.2939 | −0.3298 | 2.5634 | 0.1243 |
Regression | 143.9986 | 14 | 10.2856 | F2 = 20.37708 | 0.0001 | |
Residual | 10.6 | 21 | 0.5048 | |||
Lack of fit | 10.3697 | 10 | 1.037 | F1 = 49.52981 | 0.0001 | |
Error | 0.2303 | 11 | 0.0209 | |||
Sum | 154.5987 | 35 |
Factors | Sum of Squares | Degree of Freedom | Mean Square | Partial Correlation | F-Ratio | P |
---|---|---|---|---|---|---|
Z1 | 41.554 | 1 | 41.554 | −0.851 | 55.1587 | 0.0001 |
Z2 | 102.0113 | 1 | 102.0113 | −0.9304 | 135.4094 | 0.0001 |
Z3 | 7.5264 | 1 | 7.5264 | −0.5678 | 9.9905 | 0.0047 |
Z4 | 0.1442 | 1 | 0.1442 | −0.095 | 0.1913 | 0.6663 |
Z12 | 1.4706 | 1 | 1.4706 | 0.2916 | 1.9521 | 0.177 |
Z22 | 0.5778 | 1 | 0.5778 | 0.1877 | 0.767 | 0.3911 |
Z32 | 6.2481 | 1 | 6.2481 | −0.5321 | 8.2937 | 0.009 |
Z42 | 0.3828 | 1 | 0.3828 | 0.1537 | 0.5081 | 0.4838 |
Z1Z2 | 0.6241 | 1 | 0.6241 | 0.1948 | 0.8284 | 0.3731 |
Z1Z3 | 1.092 | 1 | 1.092 | −0.2541 | 1.4496 | 0.242 |
Z1Z4 | 1.199 | 1 | 1.199 | −0.2654 | 1.5916 | 0.2209 |
Z2Z3 | 1.3924 | 1 | 1.3924 | 0.2844 | 1.8483 | 0.1884 |
Z2Z4 | 0.0625 | 1 | 0.0625 | −0.0627 | 0.083 | 0.7761 |
Z3Z4 | 0.7656 | 1 | 0.7656 | −0.2149 | 1.0163 | 0.3249 |
Regression | 165.0509 | 14 | 11.7893 | F2 = 15.64914 | 0.0001 | |
Residual | 15.8204 | 21 | 0.7534 | |||
Lack of fit | 14.5316 | 10 | 1.4532 | F1 = 12.40190 | 0.0001 | |
Error | 1.2889 | 11 | 0.1172 | |||
Sum | 180.8713 | 35 |
Factors | Sum of Squares | Degree of Freedom | Mean Square | Partial Correlation | F-Ratio | P |
---|---|---|---|---|---|---|
Z1 | 24.8067 | 1 | 24.8067 | −0.7409 | 25.5609 | 0.0001 |
Z2 | 99.5523 | 1 | 99.5523 | −0.9111 | 102.5792 | 0.0001 |
Z3 | 7.958 | 1 | 7.958 | −0.5299 | 8.2 | 0.0093 |
Z4 | 0.028 | 1 | 0.028 | −0.0371 | 0.0289 | 0.8667 |
Z12 | 0.091 | 1 | 0.091 | 0.0667 | 0.0938 | 0.7624 |
Z22 | 0.9614 | 1 | 0.9614 | 0.2122 | 0.9907 | 0.3309 |
Z32 | 7.854 | 1 | 7.854 | −0.5274 | 8.0928 | 0.0097 |
Z42 | 0.2568 | 1 | 0.2568 | 0.1116 | 0.2646 | 0.6123 |
Z1Z2 | 0.6006 | 1 | 0.6006 | 0.1692 | 0.6189 | 0.4402 |
Z1Z3 | 0.0042 | 1 | 0.0042 | 0.0144 | 0.0044 | 0.948 |
Z1Z4 | 0.5256 | 1 | 0.5256 | −0.1586 | 0.5416 | 0.4699 |
Z2Z3 | 1.113 | 1 | 1.113 | 0.2276 | 1.1469 | 0.2964 |
Z2Z4 | 3.441 | 1 | 3.441 | −0.3801 | 3.5457 | 0.0736 |
Z3Z4 | 0.3906 | 1 | 0.3906 | −0.1371 | 0.4025 | 0.5327 |
Regression | 147.5834 | 14 | 10.5417 | F2 = 10.86219 | 0.0001 | |
Residual | 20.3803 | 21 | 0.9705 | |||
Lack of fit | 19.9954 | 10 | 1.9995 | F1 = 57.14589 | 0.0001 | |
Error | 0.3849 | 11 | 0.035 | |||
Sum | 167.9637 | 35 |
Factors | Sum of Squares | Degree of Freedom | Mean Square | Partial Correlation | F-Ratio | P |
---|---|---|---|---|---|---|
Z1 | 24.9492 | 1 | 24.9492 | −0.8376 | 49.3765 | 0.0001 |
Z2 | 67.0338 | 1 | 67.0338 | −0.9292 | 132.6653 | 0.0001 |
Z3 | 8.9426 | 1 | 8.9426 | −0.6763 | 17.6981 | 0.0004 |
Z4 | 0.0925 | 1 | 0.0925 | −0.093 | 0.1831 | 0.6731 |
Z12 | 1.2813 | 1 | 1.2813 | 0.3282 | 2.5359 | 0.1262 |
Z22 | 3.3822 | 1 | 3.3822 | 0.4916 | 6.6936 | 0.0172 |
Z32 | 4.4377 | 1 | 4.4377 | −0.543 | 8.7826 | 0.0074 |
Z42 | 2.858 | 1 | 2.858 | 0.4606 | 5.6563 | 0.027 |
Z1Z2 | 0.5006 | 1 | 0.5006 | 0.2122 | 0.9906 | 0.3309 |
Z1Z3 | 0.6521 | 1 | 0.6521 | −0.2406 | 1.2905 | 0.2688 |
Z1Z4 | 1.9113 | 1 | 1.9113 | −0.3907 | 3.7826 | 0.0653 |
Z2Z3 | 0.015 | 1 | 0.015 | 0.0376 | 0.0297 | 0.8648 |
Z2Z4 | 3.3948 | 1 | 3.3948 | −0.4923 | 6.7186 | 0.017 |
Z3Z4 | 0.1351 | 1 | 0.1351 | −0.1121 | 0.2673 | 0.6106 |
Regression | 119.5862 | 14 | 8.5419 | F2 = 16.90505 | 0.0001 | |
Residual | 10.611 | 21 | 0.5053 | |||
Lack of fit | 10.5042 | 10 | 1.0504 | F1 = 108.22336 | 0.0001 | |
Error | 0.1068 | 11 | 0.0097 | |||
Sum | 130.1972 | 35 |
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Cao, J.; Chen, P.; Li, Y.; Fang, H.; Gu, X.; Li, Y. Effect of Plastic Film Residue on Vertical Infiltration Under Different Initial Soil Moisture Contents and Dry Bulk Densities. Water 2020, 12, 1346. https://doi.org/10.3390/w12051346
Cao J, Chen P, Li Y, Fang H, Gu X, Li Y. Effect of Plastic Film Residue on Vertical Infiltration Under Different Initial Soil Moisture Contents and Dry Bulk Densities. Water. 2020; 12(5):1346. https://doi.org/10.3390/w12051346
Chicago/Turabian StyleCao, Junhao, Pengpeng Chen, Yupeng Li, Heng Fang, Xiaobo Gu, and Yuannong Li. 2020. "Effect of Plastic Film Residue on Vertical Infiltration Under Different Initial Soil Moisture Contents and Dry Bulk Densities" Water 12, no. 5: 1346. https://doi.org/10.3390/w12051346