Research Article
Improvement of Saemangeum Dredged Soils Using Coffee Sludge for Vegetation Soil
Table 7
Result of the analysis of chemical and physical properties of samples after the field test.
| Classification | pH | Organism (mg/kg) | Available phosphate (mg/kg) | Salt concentration (%) | Electric conductivity (ds/m) | Total nitrogen |
| Saemangeum field sample | 8.37 | 0.789 | 14.390 | 0.034 | 0.537 | 235.82 | Untreated | 7.37 | 0.277 | 11.328 | 0.040 | 0.633 | 71.26 | Sawdust fertilizer 4% | 7.23 | 5.680 | 14.161 | 0.148 | 2.314 | 350.48 | Sawdust fertilizer 4% + Coffee sludge 6% | 6.93 | 22.213 | 16.976 | 0.091 | 1.424 | 1518.51 | Arboreal growth condition | 5.5–6.5 | 3.00 more | 100 more | 0.05 less | 0.4 less | 200 more |
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