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Suståne® 8-2-4 is a natural organic slow-release fertilizer that provides a high amount of organic nitrogen for lasting plant nutrition.
Description:
Suståne 8-2-4 natural and organic fertilizer which provides a balanced feed that promotes a vigorous vegetative establishment with 6 - 12 weeks of nitrogen in the organic slow-release form. Incorporated into potting media at transplanting and top-dressed during vegetative growth stage of cannabis. Suståne replenishes the soil with a rich supply of humus (stabilized organic matter) and all of the primary, secondary and minor nutrients essential for quality growth. Suståne 8-2-4 provides a combination of dense plant nutrients and organic substances derived from biologically stable compost plus natural sulfate of potash and feather meal.
Suståne 8-2-4 provides a safe, simple, and cost-effective feeding solution and provides balanced nutrition from seed through harvest. Suståne 8-2-4 is the perfect fertilizer for significant quantities of organic slow-release nitrogen with low burn potential. Great for specialty crop production in high-quality soils or potting mixes.
Suståne 8-2-4 is a complete package fertilizer containing Slow Release Nitrogen, chelated micronutrients, organic phosphorous, and humic substances. Suståne 8-2-4 has been demonstrated time and again to surpass synthetic starter fertilizers and other sources of humates and plant biostimulants.
Recommended Use:
Incorporate and topdress during the vegetative stage of cannabis. For use in the production of certified organic crops, landscape, greenhouse soil mixes, and bedding plants for establishment.
Benefits of Suståne 8-2-4
- Rich in humic acids
- Increases the nutrient and water holding capacity of the soil
- Strengthens plants tolerance against hot dry conditions
- Promotes greater root development
- Improves buffering against changes in soil pH
- Increases the soil’s ability to suppress plant pathogens
- Increases soil porosity and stability for greater root development and water holding capacity
Always Safe for Plants, People, Pollinators, and the Environment
- Manufactured by Suståne in the USA at an EPA permitted facility.
- Pathogen and weed-free, no blood or bone products.
- Allowed for export to over 60 countries worldwide.
- Aerobic composting eliminates animal and rodent attraction to the application site.
- Contains naturally occurring beneficial bacteria and fungi that are necessary to begin the nutrient life cycle in poor soil.
- Suståne is fully composted eliminating the need for sterilization, permitting a healthy environment for beneficial microbial populations.
Proven Greenhouse Container Grow Programs
Working with licensed growers, Suståne has developed highly effective programs for indoor and outdoor production of medical marijuana. While there are many ways to grow, Suståne-based programs are simple, safe, and successful. Below are key elements of organic and natural fertility programs that can be readily adapted to your specific growing conditions.
Resource Downloads
Download or view the Suståne Cannabis Brochure
Download or view the Suståne Cannabis Greenhouse Container Grow Program Overview
Download or view the Suståne Cannabis Grow Program Detail
Download or view the Suståne Cannabis Brochure Companion with product SKUS and size options
Incorporating into Potting Soil Mixes and other Container Substrates:
Suståne 8-2-4 provides a constant release of nutrients when used with container substrates with an average temperature of 70oF / 21oC. When determining application rates consider all cultural practices including irrigation, container substrate physical characteristics, and growing environment.
Container Mix Application Rates:
| Container Mix Rates by Volume | |||||
|---|---|---|---|---|---|
| lb. per cubic yard | kg per cubic meter | ||||
| Low | Med | High | Low | Med | High |
| 5.5 | 10 | 15 | 3.3 | 5.9 | 8.9 |
Low Rate: Recommended for use on salt-sensitive species; when concurrent with liquid feed; with production systems utilizing low leaching fractions (less than 10%); and when applied to heavy potting substrates (total porosity less than 65%).
Medium Rate: Recommended for use on medium feeding species; on most nursery stock and foliage plants; and when liquid feed is not performed concurrently.
High Rate: Recommended for use on heavy feeding species; with production systems utilizing high leaching fractions (greater than 20%); and when applied to light, porous substrates (total porosity greater than 80%).
Bulk Density of Suståne 8-2-4:
| Rounded Measure (Volume) | Grams (weight) | ||||
|---|---|---|---|---|---|
| Teaspoon (tsp) | Tablespoon (Tbsp.) | 1 oz. | 1/4 cup | 1/2 cup | 1 cup |
| 2.8 | 8.5 | 17 | 34 | 68 | 136 |
Container Topdressing Application Rates in Grams:
| Container Size | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rate | 5" Std. | 6" Std. | 1 gallon | 2 gallon | 3 gallon | 5 gallon | 7 gallon | 10 gallon | 15 gallon |
| Low | 3 | 6 | 7 | 15 | 28 | 45 | 63 | 77 | 82 |
| Med | 7 | 13 | 19 | 39 | 67 | 108 | 140 | 186 | 200 |
| High | 10 | 18 | 28 | 59 | 104 | 165 | 237 | 285 | 306 |
- These rates are intended as guidelines. Suståne encourages a trial prior to changing any fertilizer program.
- Do not steam sterilize container mix after fertilizer has been incorporated.
- Do not store container mix more than two weeks after incorporating fertilizer. Plant material can be damaged by salt accumulation.
- Monitor electrical conductivity (EC) of container substrate throughout the production cycle.
- If the mix is stored longer than two weeks, leaching container mix may be required to remove accumulated salts.
- Adjust application rate as needed.
Guaranteed Analysis
| Total Nitrogen (N) | 8% |
| 0.4% Ammoniacal Nitrogen | |
| 0.4% Water Soluble Organic Nitrogen | |
| 7.2% Water Insoluble Organic Nitrogen* | |
| Available Phosphate (P2O5) | 2% |
| Soluble Potash (K2O) | 4% |
| Calcium (Ca) | 2.00% |
Total Plant Nutrition
| Iron | 0.50% |
| Manganese | 0.05% |
| Zinc | 0.05% |
| Humic Acid | 6% |
| Organic Matter | 65% |
| pH | 6.8 |
| Carbon: Nitrogen (C:N) | 4:1 |
| Bulk Density lb./cu. ft | 38 |
| % of Total N as Slow Release | 90% |
Derived from aerobically composted turkey litter, feather meal, and sulfate of potash.
*7.2% slowly available nitrogen from aerobically composted turkey litter and feather meal
Available Particle Sizes:
- Medium Grade, 200 SGN (2.8 mm - 1.4 mm)
- Fine Grade, 100 SGN (1.4 mm - 0.6 mm)