Mastercote 18-6-12 +Minors 8CTR
Mastercote 18-6-12 +Minors 8CTR
Mastercote 18-6-12 8CTR +Minors delivers premium nutrition and minor nutrients to nursery and greenhouse stock for up to 8months. Fertilizer can be used as a topdressing or incorporated directly into the growing medium.
Guaranteed Analysis
18-6-12 +Minors 8CTR Guaranteed Analysis
| Total Nitrogen (N) 10.1% Nitrate Nitrogen 7.9% Ammoniacal Nitrogen | 18% |
| Available Phosphate (P2O5) | 6% |
| Soluble Potash (K2O) | 12% |
| Total Sulfur (S) 2.3% Combined Sulfur (S) | 2.3% |
| Boron (B) | 0.025% |
| Iron (Fe) .33% Chelated Iron (Fe) | 0.33% |
| Manganese (Mn) .06% Water Soluble Manganese (Mn) | 0.06% |
| Molybdenum (Mo) | 0.007% |
| Zinc (Zn) .06% Water Soluble Zinc (Zn) | 0.06% |
- Plant nutrients derived from: Polymer-coated ammonium nitrate, ammonium phosphate, potassium nitrate, sulfate of potash, calcium phosphate, magnesium oxide, sodium borate, iron EDTA, manganese sulfate, sodium molybdate and zinc sulfate.
- Crops high in Molybdenum are toxic to ruminants
*The nitrogen, phosphate, potash, magnesium, sulfur, boron, iron, manganese, molybdenum and zinc in this product have been coated to provide 18% coated slow release nitrogen (N), 6% coated slow release available phosphate (P2O5), 12% coated slow release soluble potash (K2O), 1.1% coated controlled release magnesium (Mg), 2.1% coated slow release sulfur (S), 0.023% coated slow release boron (B), 0.30% coated slow release iron (Fe), 0.05% coated slow release manganese (Mn), 0.006% coated
Directions for Use
MASTERCOTE 18-6-12 +Minors 8CTR should be applied according to the soil or growing medium conditions and specific requirements of the crop. 18-6-12 +Minors provides the crops with nutrients over the specified release period. The application rate suggested is intended as a guideline based on average conditions. Increase application rate by 20% if the average soil temperature is 60°F. Decrease application rate by 20% if the average soil temperature exceeds 85°F. Leach the growing medium prior to planting. Do not mix Mastercote with the growing medium prior to steam sterilization.
18-6-12 +Minors 8CTR Temperature Effect on Rate of Release
| Average Soil Temperature | Longevity (months) |
|---|---|
| 60° F | 9 |
| 70° F | 8 |
| 80° F | 7 |
| 90° F | 6 |
18-6-12 +Minors 8CTR Incorporation Rates
| Low | Medium | High | South Florida | Volume or Area of Mix |
|---|---|---|---|---|
| 3.5 oz | 5.2 oz | 7 oz | 9.5 oz | Per cubic foot |
| 6 lb | 9 lb | 12 lb | 16 lb | Per cubic yard |
| 3.5 kg | 5.2 kg | 7 kg | 9.5 kg | Per cubic meter |
| 11 | 16 lb | 21 lb | 29 lb | Per 100 sq ft |
| 0.5 kg | 0.8 kg | 1.1 kg | 1.4 kg | Per sq meter |
18-6-12 +Minors 8CTR Topdressing Rates - Small Containers
| Container Size | Container/Cubic Yard | Low | Medium | High | South Florida |
|---|---|---|---|---|---|
| 5" std. pot | 800 | 3 g | 5 g | 7 g | 9 g |
| 6" std. pot | 450 | 5 g | 9 g | 12 g | 14 g |
| 1 gallon | 300 | 8 g | 14 g | 18 g | 22 g |
| 2 gallon | 140 | 17 g | 30 g | 40 g | 45 g |
| 3 gallon | 80 | 20 g | 50 g | 70 g | 90 g |
| 5 gallon | 50 | 45 g | 80 g | 110 g | 140 g |
| 7 gallon | 35 | 65 g | 110 g | 155 g | 175 g |
18-6-12 +Minors 8CTR Topdressing Rates - Large Containers
| Container Size | Surface Area | Low | Medium | High | South Florida |
|---|---|---|---|---|---|
| 10 gallon | 1.4 sq ft | 95 g | 140 g | 200 g | 225 g |
| 15 gallon | 1.5 sq ft | 100 g | 150 g | 215 g | 250 g |
| 20 gallon | 2.3 sq ft | 155 g | 230 g | 330 g | 375 g |
| 25 gallon | 2.8 sq ft | 190 g | 280 g | 400 g | 450 g |
| 45 gallon | 4.8 sq ft | 320 g | 480 g | 680 g | 700 g |
| Larger containers | per sq ft | 68 g | 100 g | 143 g | 160 g |
The above recommendations should be regarded as a general guide only. Before implementing these recommendations the fertilization program should be tested on a small scale.
