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Parameter Contents
Physical:
Color Dark Grey to Black
Physical Conditions Non-granular from
Odor Absence of foul odor
Moisture Maximum 15%
Chemical:
pH 6.0 – 8.5
Organic Carbon 10% - 25%
Total Nitrogen (N) 0.5 %– 4.0% BANGLADESH
C:N Maximum 20:01
Phosphorus(P)
Potassium(K)
0.5% - 1.5%
1.0% - 3.0%
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Sulphur(S) 0.1% -0.5% Rbbx GwMÖ‡Kqvi
Zinc(Zn)
Copper (Cu)
Maximum 0.1%
Maximum 0.05%
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Arsenic (As) Maximum 20 ppm ‡iwR bs - Gwc
Chromium (Cr) Maximum 50 ppm
Cadmium (Cd) Maximum 5 ppm
Lead (Pb) Maximum 30 ppm
Mercury (Hg) Maximum 0.1 ppm
Nickel (Ni) Maximum 30 ppm
Inert material Maximum 1%
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