15-0-15

Dark Weather Formula

Our 15-0-15 Dark Weather Formula is a high Nitrate formula-especially recommended for bulbs and crops with its high Calcium and Magnesium content and low Phosphate.

Total Nitrogen (N)
14% Nitrate Nitrogen
1% Ammoniacal Nitrogen
15%
Soluble Potash (K2O) 15%
Calcium (Ca) 11%
Boron (B) 0.0068%
Copper (Cu)
0.0036% Chelated Copper (Cu)
0.0036%
Iron (Fe)
0.05% Chelated Iron (Fe)
0.05%
Manganese (Mn)
0.0031% Chelated Manganese (Mn)
0.0031%
Molybdenum (Mo) 0.01%
Zinc (Zn)
0.0025% Chelated Zinc (Zn)
0.0025%
  • Plant nutrients derived from:  Potassium Nitrate, Ammonium Nitrate, Calcium Nitrate, Boric Acid, Copper EDTA, Iron DTPA, Manganese EDTA, Sodium Molybdate, Zinc EDTA.
  • Potential Basicity: 420 Lbs. Calcium Carbonate per ton.
  • Maximum Solubility: 3.5 Lbs. Per gallon.
  • Caution: Some crops may be injured by application of Boron.
  • This fertilizer is to be used only on soils that respond to Molybdenum.
  • Crops high in Molybdenum are toxic to ruminants

15-0-15 Dark Weather Injector Ratios

Ounces of EasyFertilizers 15-0-15 Dark Weather Injector per gallon of concentrate.

Ppm Nitrogen 1:15 Injector Ratios 1:100 Injector Ratios 1:200 Injector Ratios EC (mS/cm)
50 0.67 4.45 8.9 0.37
100 1.34 8.9 17.8 0.75
150 2 13.35 26.7 1.12
200 2.67 17.8 35.6 1.5
250 3.34 22.25 44.5 1.87
300 4.01 26.7 * 2.25
350 4.67 31.15 * 2.62
400 5.34 35.6 * 3

15-0-15 Dark Weather Ratios by Crop Type

Crop Type Constant Feed Ppm – N Periodic Feed Ppm – N
Bedding Plants 100-200 200-250
Containerized Woody Ornamentals 75-125 200-350
Cut Flowers 175-225 300-450
Potted Chrysanthemums 250-350 350-400
Potted Tropical Foliage 125-250 250-300
Potted Geraniums 250-300 350-400
Potted Poinsettias 200-350 375-400
Vegetable Seedlings 25-75 75-150
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