Research Article
Sustainable Reuse of Dredged Soil as a Substrate Material by Improvement with Polyacrylamide, Straw, and Superabsorbent Polymer
Table 2
The orthogonal combination of the three substrates in pot experiments.
| | Treatment | Factor A: PAM (g/kg) | Factor B: straw (g/kg) | Factor C: SAP (g/kg) |
| | 1 | A1 (adding 0.5) | B1 (adding 15) | C1 (no adding) | | 2 | A2 (adding 1) | B1 (adding 15) | C2 (adding 3) | | 3 | A3 (adding 1.5) | B1 (adding 15) | C3 (adding 6) | | 4 | A4 (adding 2) | B1 (adding 15) | C4 (adding 9) | | 5 | A5 (adding 2.5) | B1 (adding 15) | C5 (adding12) | | 6 | A4 (adding 2) | B2 (adding 20) | C5 (adding12) | | 7 | A3 (adding 1.5) | B2 (adding 20) | C4 (adding 9) | | 8 | A2 (adding 1) | B2 (adding 20) | C3 (adding 6) | | 9 | A1 (adding 0.5) | B2 (adding 20) | C2 (adding 3) | | 10 | A5 (adding 2.5) | B2 (adding 20) | C1 (no adding) | | 11 | A4 (adding 2) | B3 (adding 25) | C1 (no adding) | | 12 | A3 (adding 1.5) | B3 (adding 25) | C2 (adding 3) | | 13 | A5 (adding 2.5) | B3 (adding 25) | C3 (adding 6) | | 14 | A1 (adding 0.5) | B3 (adding 25) | C4 (adding 9) | | 15 | A2 (adding 1) | B3 (adding 25) | C5 (adding12) | | 16 | A1 (adding 0.5) | B4 (adding 30) | C5 (adding12) | | 17 | A2 (adding 1) | B4 (adding 30) | C4 (adding 9) | | 18 | A4 (adding 2) | B4 (adding 30) | C3 (adding 6) | | 19 | A5 (adding 2.5) | B4 (adding 30) | C2 (adding 3) | | 20 | A3 (adding 1.5) | B4 (adding 30) | C1 (no adding) | | 21 | A2 (adding 1) | B5 (adding 35) | C1 (no adding) | | 22 | A4 (adding 2) | B5 (adding 35) | C2 (adding 3) | | 23 | A1 (adding 0.5) | B5 (adding 35) | C3 (adding 6) | | 24 | A5 (adding 2.5) | B5 (adding 35) | C4 (adding 9) | | 25 | A3 (adding 1.5) | B5 (adding 35) | C5 (adding 12) | | CK | No adding | No adding | No adding |
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