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Organic Peat Free Compost Technical and Nutritional Information

Typical PAS100 Compost Analysis

Particle Size Distribution (sieve analysis) 100% passing at a 15.0 mm screen
>90% passing at a 8.0 mm screen
>50% passing at a 1.0 mm screen
Bulk density 650 g/litre
Moisture content 35% m/m
Dry matter 65% m/m
Organic matter (as loss on ignition) 25% of the dry matter
Carbon:Nitrogen ratio 12:1
pH 7.5
Electrical conductivity 400mS/cm
Purity Substantially free of physical contaminants, viable weed seeds and pathogens
Potentially toxix elements ("heavy metals") Within acceptable limits


Nutrients

As received basis
Total mg/litre
Water soluble mg/litre
% solubility in water
Nitrogen as N
3,500
50
1.4
Phosphorous as P
600
20
3.3
Potassium as K
1,900
800
42
Calcium as Ca
7,000
100
1.4
Magnesium as Mg
600
20
3.3
Sulphur as S
500
50
10
Iron as Fe
3,000
50
1.7


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