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Fertilizing and Watering
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Subject: Compost Nutrient Analysis
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seedguy |
Fresno, Ca
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Need help analyzing some commercial compost. Mostly to make sure the levels aren't out of whack... toxic. I know these questions come up quite often, it would be nice if someone wrote an article that gave max/min levels and things to watch out for. Thanks in advance for your help
Dry Wt. Basis
Total N 1.5% Ammonia 5 mg/kg Nitrate 128 mg/kg Organic N 1.4% Phosphorus (P2O5) .51% Phosphorus (P) 2233 mg/kg Potassium (K2O) 5.6% Calcium (Ca) 2.0% Magnesium (Mg) .52% Sulfate (SO4) 43044 mg/kg Copper (Cu) 36 mg/kg Zinc (Zn) 109 mg/kg Iron (Fe) 6734 mg/kg Manganese (Mn) 193 mg/kg Boron (B) 21 mg/kg Sodium (Na) .1 % Chloride (Cl) .13 % pH 7.28 (wet wt. basis) Carbonates (CaCO3) 12 lb/ton Organic Matter 36.3 % Organic Carbon 17.9 % Ash 63.7 % C/N Ratio 12
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2/21/2008 6:08:40 PM
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Total Posts: 1 |
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