Table 2.
Estimated parameters of water retention, conductivity and dispersity in mineral-gel compositions.
| SGS doses % | FWC% | WP % | AWR% | Ws m3/m3 | Wr m3/m3 | α kPa−1 | n | K cm/day | SWRC m2/g | SBET m2/g |
|---|---|---|---|---|---|---|---|---|---|---|
| Monomineral quartz sand (control-1): | ||||||||||
| 0% | 4.6 | 1.3 | 3.3 | 0.27 | 0.01 | 0.31 | 2.26 | 520 | 7.4 | 8.0 |
| “Aquasorb” SGS | ||||||||||
| 0.1% | 19.2 | 4.2 | 15.0 | 0.39 | 0.03 | 0.146 | 1.61 | 29 | 27.4 | 31.0 |
| 0.2% | 26.0 | 8.3 | 17.6 | 0.49 | 0.04 | 0.209 | 1.40 | 17 | 47.8 | 51.1 |
| 0.3% | 28.5 | 9.8 | 18.7 | 0.49 | 0.01 | 0.185 | 1.30 | 9 | 64.0 | 63.6 |
| LSD0.05 | 2.6 | 0.8 | 1.8 | — | — | — | — | 31.3 | 5.1 | 5.3 |
| LSD0.01 | 3.9 | 1.2 | 2.7 | — | — | — | — | 47.4 | 7.7 | 8.0 |
| A22 SGS | ||||||||||
| 0.1% РМ | 18.6 | 4.0 | 14.5 | 0.37 | 0.01 | 0.183 | 1.50 | 37 | 26.5 | 26.9 |
| 0.1% + Ag 0.1% | 17.0 | 4.1 | 12.9 | 0.35 | 0.03 | 0.169 | 1.61 | — | 28.2 | 30.0 |
| 0.1% + Ag 1% | 19.5 | 4.1 | 15.3 | 0.39 | 0.01 | 0.199 | 1.45 | 29 | 26.0 | 23.3 |
| 0.2% | 23.7 | 5.8 | 17.9 | 0.41 | 0.02 | 0.13 | 1.44 | 19 | 36.1 | 35.0 |
| 0.2% + Ag 0.1% | 22.7 | 6.6 | 16.1 | 0.40 | 0.02 | 0.188 | 1.36 | — | 42.5 | 45.1 |
| 0.2% + Ag 1% | 21.6 | 6.9 | 14.6 | 0.39 | 0.06 | 0.118 | 1.63 | 17 | 44.4 | 42.3 |
| 0.3% | 28.6 | 9.5 | 19.1 | 0.49 | 0 | 0.203 | 1.29 | 6 | 56.8 | 55.0 |
| 0.3% + Ag 0.1% | 27.4 | 9.9 | 17.5 | 0.48 | 0.03 | 0.232 | 1.32 | — | 53.5 | 55.2 |
| 0.3% + Ag 1% | 29.0 | 9.6 | 19.4 | 0.52 | 0.03 | 0.213 | 1.34 | 10 | 62.5 | 61.9 |
| LSD0.05 | 2.7 | 0.8 | 1.9 | — | — | — | — | 23.7 | 5.0 | 5.0 |
| LSD0.01 | 4.1 | 1.2 | 2.9 | — | — | — | — | 35.9 | 7.6 | 7.5 |
| Monomineral quartz sand (control-2): | ||||||||||
| 0% | 3.3 | 1.7 | 1.6 | 0.29 | 0.02 | 1.655 | 1.87 | 460 | 7.1 | 8.0 |
| A11 SGS: | ||||||||||
| 0.1% | 10.2 | 3.6 | 6.6 | 0.38 | 0.02 | 1.913 | 1.42 | 31 | 22.6 | 24.5 |
| 0.2% | 20.7 | 9.6 | 11.1 | 0.53 | 0 | 6.459 | 1.19 | 15 | 62.7 | 62.9 |
| 0.3% | 28.4 | 11.4 | 17.0 | 0.50 | 0.02 | 0.323 | 1.26 | 9 | 75.2 | 73.3 |
| LSD0.05 | 2.2 | 0.9 | 1.3 | — | — | — | — | 27.7 | 6.0 | 6.0 |
| LSD0.01 | 3.3 | 1.4 | 1.9 | — | — | — | — | 41.9 | 9.2 | 9.1 |
| A11H SGS: | ||||||||||
| 0.1% | 8.6 | 4.5 | 4.1 | 0.50 | 0.04 | 7.257 | 1.47 | 26 | 23.8 | 23.7 |
| 0.2% | 16.7 | 7.2 | 9.5 | 0.49 | 0 | 9.817 | 1.20 | 17 | 45.7 | 47.0 |
| 0.3% | 28.1 | 9.7 | 18.3 | 0.48 | 0 | 0.230 | 1.27 | 8 | 75.2 | 75.0 |
| LSD0.05 | 2.0 | 0.8 | 1.3 | — | — | — | — | 27.7 | 5.5 | 5.5 |
| LSD0.01 | 3.1 | 1.2 | 1.9 | — | — | — | — | 41.9 | 8.3 | 8.4 |
| A11HMZ SGS: | ||||||||||
| 0.1% | 9.4 | 4.6 | 4.8 | 0.57 | 0.04 | 7.337 | 1.46 | 31 | 25.6 | 28.2 |
| 0.2% | 15.2 | 6.2 | 9.0 | 0.53 | 0.02 | 7.389 | 1.27 | 16 | 39.1 | 37.5 |
| 0.3% | 29.7 | 9.5 | 20.2 | 0.53 | 0.02 | 0.231 | 1.29 | 10 | 56.6 | 59.6 |
| LSD0.05 | 2.1 | 0.7 | 1.4 | — | — | — | — | 27.7 | 4.4 | 4.6 |
| LSD0.01 | 3.2 | 1.1 | 2.1 | — | — | — | — | 41.9 | 6.7 | 6.9 |
Note: FWC is field water capacity, WP is wilting point, AWR is available soil water range; Ws, Wr α, n are the van-Genuchten model parameters (see formula 4); SWRC, SBET are specific surface area obtained by WRC and BET methods, respectively.