Slow-release fertilizer granules, made to order
Granules that feed the crop over weeks instead of days, for fewer applications and less nutrient loss. Formulated to your nutrient content and release period.
What we make to order
- Slow-release granules to your nutrient content and release period
- Granules combining nutrients with humic and organic matter
- Slow-release products for horticulture, nurseries and field crops
- Private-label packs from 1 kg buckets to 1000 kg jumbo bags
How slow release works
Fertilizer that dissolves at once can be lost before the crop uses it: nitrogen leaches or escapes as gas, and phosphorus gets locked in the soil. Slow-release products spread the supply over time.
Slow-release, controlled-release and stabilised
- Slow-release products release nutrients gradually, but the rate depends on soil moisture, temperature and microbial activity.
- Controlled-release products, usually polymer-coated, release at a rate set by the coating, mainly driven by temperature.
- Stabilised products, such as neem-coated urea, slow down the conversion of nitrogen in the soil rather than coating it fully.
Where it is used
| Use | Why slow release helps |
|---|---|
| Long-duration crops such as sugarcane and banana | Feeds over a long season with fewer top dressings |
| Sandy and high-rainfall soils | Reduces leaching losses |
| Nurseries, pots and landscapes | One application lasts for weeks |
| Labour-scarce farms | Fewer applications through the season |
Results vary with crop, soil, weather and practice. Follow the label, run a small trial first and scale what works on your farm. Nothing on this page is a guarantee of yield.
How to use it
Application methods
- Basal application at planting
- Side placement near the root zone
- Mixing into potting and nursery media
Dose and timing
Dose depends on the grade, crop, growth stage and method. The dose is printed on every label, and we send a crop-wise dose chart with every quote.
Manufacturer-direct supply
Why buy from Gujarat Bio Organics
- Our own plant at GIDC Shihor, Bhavnagar, Gujarat, manufacturing since 2009
- 100 KL of liquid and 2,500 tonnes of solid products every month
- No minimum order quantity and dispatch in about one week
- In-house R&D for formulation, stability and crop programmes
- Gujarat NOC for 36 biostimulant grades and 11 biofertiliser types
- Bulk, private label, export or our Immunity brand from one supplier
Buying terms
- Minimum order
- None. Trial quantities are quoted too.
- Lead time
- About one week from confirmed order
- Solid packs
- 1, 2, 4, 5, 8, 10 and 20 kg bags or buckets, 25 and 50 kg bags, 600 kg and 1000 kg jumbo bags
- Supply options
- Bulk, private label / OEM, export (FOB or CIF) or our Immunity brand
- Samples
- Free. Freight or courier, customs duty and other charges are paid by the buyer.
- Documents
- Specification sheet, NOC copy and third-party test report on request
Questions buyers ask
What is a slow-release fertilizer?
A fertilizer that releases nutrients gradually over weeks or months, instead of dissolving all at once.
What is the difference between slow-release and controlled-release fertilizer?
Slow-release products release gradually at a rate that depends on soil conditions. Controlled-release products, usually polymer-coated, release at a rate set by the coating.
What are examples of slow-release fertilizers?
Coated and organic-matrix granules, low-solubility nitrogen compounds and organic fertilizers. Neem-coated urea is a stabilised product that slows nitrogen conversion.
Slow-release or water-soluble fertilizer: which should I use?
Water-soluble fertilizer feeds a crop quickly at a precise stage through drip or foliar spray. Slow-release fertilizer gives a steady supply from one basal application. Many programmes use both.
Is neem-coated urea a slow-release fertilizer?
It is usually described as a slow-release or stabilised nitrogen fertilizer, because the neem coating slows the conversion of urea nitrogen in the soil.
Can you make slow-release fertilizer under my brand?
Yes. Tell us the nutrient content and release period you want and we propose a formulation and sample.
Tell us the grade, quantity and destination.
We reply with a quote and a free sample.