The Scientific World Journal

Review Article

Composting for a More Sustainable Palm Oil Waste Management: A Systematic Literature Review

Table 4

Comparison of review data of compost standards based on the Indonesian standards (SNI 19-7030-2004) and Minister of Agriculture (Regulation No. 261/KPTS/SR.310/M/4/2019).
ParameterSNI 19-7030-2004Permentan no 261/KPTS/SR.310/M/4//2019Review results
C-organic (%)9.80–32min 15—
C/N ratio10–20≤2523.42
pH6.80–7.494–97.41
Temperature (°C)Groundwater temperature—Variation (in standard)
Water content (%)Max. 508–20—
Macroelements:  —
 N-total (%)Min. 0.4Total = Min. 2—
 Phosphorus (%)Min. 0.10 0.99%
 Potassium (%)Min. 0.20 4.14%
Heavy metal (ppm):   
 As—Max. 10—
 HgMax. 0.8Max. 1—
 PbMax. 150Max. 50—
 CdMax. 3Max. 2—
 CrMax. 210Max. 180—
 CoMax. 34——
 CuMax. 100—52.50 ppm
 NiMax. 62Max. 50—
 SeMax. 2——
Microelements:   
 CaMax. 25.50%—1.29%
 MgMax. 0.60%—0.7%
 Fe totalMax. 2.00%Max. 15000 (ppm)0.78%
 Fe available Max. 500 (ppm) 
 MnMax. 0.10%—115.44 ppm
 ZnMax. 500 (ppm)Max. 5000 (ppm)442.18 ppm
 AlMax. 2.20%——