Research Article

Improvement of Saemangeum Dredged Soils Using Coffee Sludge for Vegetation Soil

Table 5

Result of chemical and physical analysis of Saemangeum Sample A after the test.

ClassificationpHOrganism
(mg/kg)
Available phosphate
(mg/kg)
Salt concentration
(%)
Electric Conductivity
(ds/m)
Total nitrogen

Sample A8.480.75511.6180.0851.32892.459
Bioameliorant 6%7.191.030187.3160.4456.960152.654
Sawdust 6%7.802.022110.9320.0290.455216.547
Mountain soil 30%8.043.9359.2830.0170.266485.264
Mountain soil 30% + bioameliorant 6%6.953.26793.3520.5448.501359.495
Mountain soil 30% + sawdust 6%7.553.84552.9680.0270.426492.661
Mountain soil 30% + sawdust 6% + coffee sludge 9%7.6511.53278.3810.0370.5811829.117
Arboreal growth condition5.5–6.53.00 more100 more0.05 less0.4 less200 more