NPK 15‑15‑15 Compound Fertilizer – Balanced 45% NPK Granular Fertilizer for All Crops | Complete Plant Nutrition (50kg Bags, Jumbo Bags, Bulk).
Balanced NPK 15-15-15 Fertilizer – Premium Multi-Purpose Crop Nutrition
- Premium NPK 15-15-15 Fertilizer for Sale | Balanced Plant Nutrition Wholesale
- High Quality NPK 15-15-15 Compound Fertilizer | Agricultural Fertilizer Supplier
- NPK 15-15-15 Granular Fertilizer Wholesale | Multi-Crop Plant Nutrition
- Balanced NPK Fertilizer 15-15-15 Bulk Supply | Premium Agricultural Solutions
Discover premium NPK 15-15-15 fertilizer formulated for balanced crop nutrition, healthy root development, and improved agricultural productivity.
Achieve uniform, healthy growth across all your crops with NPK 15‑15‑15 Compound Fertilizer – the complete balanced fertilizer that supplies equal parts of nitrogen (N), phosphorus (P₂O₅) and potassium (K₂O), each at 15% , for a total nutrient content of 45% . This all‑purpose, universal formula is suitable for field crops (corn, wheat, rice), vegetables, fruit trees, and horticultural crops. Available in granular form (2‑5 mm) for even spreading, with excellent water solubility for effective soil uptake. The balanced nutrition reduces the frequency of applications compared to single‑nutrient fertilizers, saving both time and labour. Choose from 25kg, 50kg PP/PE bags, 500kg/1000kg jumbo bags, or bulk supply. Backed by ISO 9001, SGS, and other quality certifications. Store in a cool, dry, well‑ventilated area. Contact us for wholesale orders. Delivery by air, land & sea worldwide. Standard & express shipment available.
Product Description
The Complete Balanced Fertilizer – 45% Total Nutrients
NPK 15‑15‑15 Compound Fertilizer is a ternary compound fertilizer, meaning it contains all three primary macronutrients: nitrogen (N), phosphorus (P₂O₅), and potassium (K₂O), each at a concentration of 15% , resulting in a total nutrient content of 45% . The three numbers in the label represent the percentage by weight of each nutrient, making this a perfectly balanced formula. This universal, all‑purpose fertilizer is used widely in agriculture to supply the basic nutritional needs of various crops at different growth stages .
Core Nutrient Functions
| Nutrient | Percentage | Key Agronomic Role |
|---|---|---|
| Nitrogen (N) | 15% | Promotes lush vegetative growth, green colour, and high protein content. |
| Phosphorus (P₂O₅) | 15% | Supports root development, flowering, and fruit/seed formation. |
| Potassium (K₂O) | 15% | Enhances overall plant vigour, disease resistance, and stress tolerance. |
🔬 Key Technical Specifications
| Parameter | Specification |
|---|---|
| Nutrient Grade | 15‑15‑15 (N-P₂O₅-K₂O) |
| Total Nutrients | 45% minimum |
| Nitrogen (N) | 15% min (includes approx. 6% nitrate‑N) |
| Phosphorus (P₂O₅) | 15% min |
| Potassium (K₂O) | 15% min |
| Moisture | ≤ 2.0% |
| Particle Size | 2 – 5 mm (≥90% passing) |
| Granule Size (Narrower) | 2‑4 mm |
| Release Type | Quick release |
| Appearance | Granular / Prilled, free‑flowing |
| Colour | White, red, yellow (custom OEM available) |
All specifications are typical for high‑quality agricultural grade compound NPK 15‑15‑15. Values are based on the dry, anhydrous product.
Nitrogen Source Breakdown
The nitrogen component in NPK 15‑15‑15 is typically a blend: approx. 6% nitrate‑N (for immediate availability) and 9% ammonium‑N (for steady release) . This dual‑action approach ensures both a rapid greening response and sustained nutrition.
✨ Key Features & Benefits for Crop Yield
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Perfectly Balanced 15‑15‑15 Ratio: Delivers equal amounts of the three essential primary nutrients for uniform crop development and simplified fertiliser management.
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High Nutrient Density (45%): Reduces handling, storage, and transport costs per kilogram of delivered nutrients, improving operational efficiency.
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Granular Formulation (2‑5 mm): Easy to spread evenly with standard broadcast equipment, ensuring uniform plant nutrition.
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Quick Release: Nutrients become available to plants rapidly after application, providing an immediate boost to growth.
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Versatile Application Methods: Can be broadcast, incorporated into the soil, banded, top‑dressed, or (if water‑soluble grade) applied through fertigation.
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Time‑Efficient: Using NPK 15‑15‑15 reduces the frequency of application needed compared to using singular nutrient fertilizers, saving time and labour costs .
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Consistent Results: Provides reliable outcomes irrespective of soil or crop characteristics, with a proven track record for enhancing crop growth and yield.
🌱 Agronomic Benefits & Crop Applications
NPK 15‑15‑15 is suitable for a wide range of agricultural systems, including field crops, vegetables, fruit trees, and horticultural plants. It is listed as suitable for a variety of vegetables, fruit trees, flowers, and field crops .
| Crop/Use | Application Benefits |
|---|---|
| Cereals (Corn, Wheat, Rice) | Base fertiliser or top‑dressing to support vegetative growth, grain fill, and yield potential. |
| Vegetable Crops | Promotes uniform, balanced growth and improved quality of harvested produce. |
| Fruit Trees (Citrus, etc.) | 1‑4 kg per tree, depending on age, supports healthy growth, flowering, and fruit development. |
| Greenhouse Production | 600‑1000 kg/ha for high‑value crops with intensive production cycles. |
| General Field Crops (e.g., Chilli, Sunflower, Maize) | 200‑300 kg/ha has been shown to increase vegetative growth and yield . |
| Root Crops | Provides balanced nutrients for healthy root development and carbohydrate accumulation. |
🌿 With or Without Trace Elements (TE) / Secondary Nutrients
NPK 15‑15‑15 is also available with added secondary nutrients (such as Sulphur – S) and Trace Elements (TE). The sulphur content ensures a high intake of nitrogen and phosphorus by plants, and potassium facilitates faster transport of synthesis products (carbohydrates) to root vegetables and seeds . A variant like NPK 15:15:15 + 11% S (SOP – Sulphate of Potash) is particularly suitable for chloride‑sensitive crops.
🧪 Quality Control & Manufacturing Excellence
Our NPK 15‑15‑15 compound fertilizer is manufactured using high‑tower technology and is tested according to international standards, including GB/T 15063‑2020 for high‑concentration compound fertilizers . Each batch is guaranteed to meet the high concentration standard for compound fertilizers.
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Production Process: High‑tower granulation → drying → cooling → screening → coating.
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Quality Tests: Nitrogen content, phosphorus content, potassium content, particle size distribution, moisture control, biuret levels.
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Facility Certifications: ISO 9001, SGS.
📦 Available Packaging Options & Sizes
We offer a full range of packaging to suit your needs, from small farm bags to large‑scale bulk shipping.
| Format | Net Weight | Container Type | Best For |
|---|---|---|---|
| 25kg PP/PE Bag | 25 kg | Polypropylene woven bag with polyethylene liner | Small farms, garden centers, retail distribution, sample applications |
| 50kg PP/PE Bag | 50 kg | Polypropylene woven bag with polyethylene liner | Standard farm distribution, cooperatives |
| 500kg Jumbo Bag | 500 kg | FIBC jumbo bag (PP woven) | Medium‑scale farm use, convenient bulk handling |
| 1,000kg Jumbo Bag | 1,000 kg (1 MT) | FIBC jumbo bag (PP woven) | Bulk farm delivery, cost‑effective handling |
| Bulk / Loose | Custom (per ton) | Pneumatic trailer / bulk vessel | Large‑scale growers, cooperatives |
| Palletized Load | 1.5 – 2.0 MT (50kg bags) | Shrink‑wrapped pallet | Warehouse distribution, retail chains |
| 20ft / 40ft Container Loads (FCL) | 20‑25 MT (flexible) | Intermodal container | Export, large‑scale distribution |
*Full containers can be packed with mixed SKUs (jumbo bags + 50kg bags). Palletization and shrink‑wrapping available.*
OEM custom bag printing is available for wholesale clients (MOQ applies).
Wholesale Quantities
We supply NPK 15‑15‑15 Compound Fertilizer in large volumes to agricultural cooperatives, distributors, and large‑scale farming operations:
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Wholesale Cases: 4‑pack, 6‑pack, 12‑pack of 50kg bags
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Full Pallets: Mixed packaging formats or single SKU
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20 ft / 40 ft Container Loads (FCL): For export and large‑scale distribution
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Bulk Vessel: For ultra‑large‑scale buyers
Contact us for custom quotes, mixed pallets, and export pricing. Large‑volume orders are available for prompt shipment.
🧪 Recommended Application Rates
General application rates vary depending on soil condition, structure, humus content, pH level, and the presence of useful elements. Before fertilising, soil testing is strongly recommended.
| Crop / Situation | Recommended Rate | Application Details |
|---|---|---|
| Field Crops (General) | 40‑50 kg per mu | Base fertiliser before sowing or as a split application during early growth. |
| Cereals (Corn, Wheat, Rice) | 120‑300 kg per hectare | Broadcast and incorporate pre‑planting or as a top‑dressing during early vegetative stages. |
| Vegetables (General) | 600‑750 kg per hectare | For high‑value, intensively managed vegetable crops. |
| Greenhouse Crops | 600‑1000 kg per hectare | Higher rates for intensive, high‑yield production in controlled environments. |
| Citrus / Mature Fruit Trees | 1‑4 kg per tree | Apply around the drip line based on tree age and canopy size. |
| Vegetable Gardens / Home Use | 1‑2 lbs per 100 square feet | General, all‑purpose rate for flower and vegetable gardens. |
For best results, have your soil tested annually by a qualified laboratory. All rates are general guidelines; a professional agronomist should confirm the exact rate based on your specific soil analysis, target crop, and yield goal.
Application Methods:
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Broadcast / Top‑dressing: Spread evenly over the soil surface, preferably before rain or irrigation.
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Incorporation: Mix into the top 5‑10 cm of soil for best efficiency and to minimise ammonia volatilisation.
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Band / Side‑dressing: Place in bands 5‑8 cm to the side of the seed row to avoid seed burn.
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Fertigation (where water‑soluble grade is specified): Dissolve and inject into irrigation water.
⚠️ Important Application Precautions:
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Incorporation is recommended after application, especially in warm conditions (>15°C), to minimise ammonia volatilisation (nitrogen loss to the air).
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Avoid direct contact of concentrated fertilizer with seeds or young roots, as this may cause germination damage or root burn.
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For best results, use in conjunction with a proven nutrient management plan and follow the advice of a qualified agronomist.
🧴 Storage & Shelf Life
| Condition | Duration | Instructions |
|---|---|---|
| Unopened | 3 years (36 months) from manufacture date | Store in a cool, dry, well‑ventilated area, away from direct sunlight and heat sources |
| Once Opened / Partially Used | Use within 6‑12 months | Reseal bags tightly to prevent moisture absorption and caking |
| Bulk Storage | Up to 12 months | Store in clean, dry, climate‑controlled bins. Protect from rain and insolation |
🚜 Best Management Practices for NPK Fertilizer Storage
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Location: Store in a cool, dry, clean, well‑ventilated, roofed area with a moisture‑proof foundation . Keep away from clothing, chemicals and combustible materials .
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Prevent Moisture: Keep bags sealed and off the floor. Urea and NPK blends are hygroscopic and will cake if exposed to high humidity.
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Avoid Contamination: Store separately and keep away from poisonous substances and sources of ignition .
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Security: Keep out of reach of children (P102) . Ensure correct signage and restrict access.
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Temperature: Keep away from sources of heat, open flame, and direct sunlight. It is recommended to store the product at temperatures below 30 °C.
📜 HS Code & Tariff Classification
For accurate customs documentation and tariff calculation, we provide the correct Harmonized System codes.
| Code | Description |
|---|---|
| HS Code 3105.20 | Mineral or chemical fertilisers containing the three fertilising elements: nitrogen, phosphorus and potassium. |
| HS Code 3105.20.00.90 | NPK fertiliser 15‑15‑15 (ternary compound granular) |
| HS Code 3105.20.10 | NPK fertilizers with a nitrogen content >10% by weight on the dry anhydrous product (e.g., 15‑15‑15 compound granular). |
| EU Combined Nomenclature | 3105 20 10 – Mineral or chemical fertilisers containing nitrogen, phosphorus and potassium |
| China CIQ Code | 3105200090 (Used for NPK 15‑15‑15 exports from China) |
Chapter / Heading Breakdown:
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Chapter 31: Fertilizers
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Heading 3105: Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium
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Subheading 310520: Containing the three fertilising elements nitrogen, phosphorus and potassium
Regional Variations:
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US HTS Code: 3105.20.00.00 – Fertilizers containing the three fertilizing elements.
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Israel HSN Code: 31052000 – Used for NPK‑fertilizer 15‑15‑15.
Export Documents Available:
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Certificate of Analysis (COA) – per batch (including N%, P₂O₅%, K₂O%, moisture, particle size)
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Certificate of Origin – upon request
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Commercial Invoice and Packing List with HS Code specification
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Phytosanitary Certificate – upon request
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Bill of Lading (Sea) / Air Waybill (Air)
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MSDS / SDS – available
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ISO 9001, SGS certification documentation – available upon request
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GMP / Quality assurance documentation – available
All documentation provided as required by destination market regulations.
❓ Frequently Asked Questions (FAQs)
Q: What does NPK 15‑15‑15 mean?
A: The numbers represent the percentage by weight of nitrogen (N), phosphorus (P₂O₅), and potassium (K₂O) in the fertilizer. NPK 15‑15‑15 contains 15% of each primary nutrient, resulting in a total nutrient content of 45% .
Q: Is NPK 15‑15‑15 a complete fertilizer?
A: Yes. NPK 15‑15‑15 is considered a general‑purpose, complete fertilizer because it provides all three primary macronutrients (N, P, K) in equal proportions . It supplies the basic nutritional needs of various crops at different growth stages .
Q: What are the advantages of using a balanced 15‑15‑15 fertilizer?
A: It provides uniform crop nutrition, simplifies fertiliser management, reduces the number of applications needed compared to single‑nutrient fertilizers (saving time and labour) , and lowers handling, storage, and transport costs per kilogram of delivered nutrient.
Q: Is this fertilizer water‑soluble for use in fertigation systems?
A: Standard NPK 15‑15‑15 granular fertilizer is water‑soluble to a certain degree but is primarily designed for soil application (broadcast, top‑dressing, side‑dressing). A fully water‑soluble grade is available and is suitable for fertigation and foliar spraying. Please specify your requirement at the time of ordering.
Q: What is the difference between granular and powdered NPK 15‑15‑15?
A: Granular NPK (2‑5 mm) is free‑flowing, easier to spread evenly with broadcast equipment, and has a lower dust content. Powdered NPK is cheaper, dissolves faster, and is more suitable for liquid mixing but can be dusty and more difficult to spread evenly. Our standard product is granular.
Q: Is NPK 15‑15‑15 suitable for organic farming?
A: Synthetic NPK fertilizers are not permitted for use in certified organic farming systems. This product is intended for conventional agriculture. Please check with your certification body for approved N, P, and K sources.
Q: How should NPK 15‑15‑15 be stored to prevent caking?
A: Store in a cool, dry, well‑ventilated area, away from direct sunlight. Keep bags tightly sealed and off concrete floors to prevent moisture absorption. The shelf life is typically 3 years when stored correctly .
Q: What is the difference between NPK 15‑15‑15 and NPK 15‑15‑15+TE?
A: The standard NPK 15‑15‑15 contains only the three primary nutrients (N, P, K). The +TE version is enriched with Trace Elements (such as zinc, boron, iron, manganese, copper, molybdenum) and sometimes secondary nutrients (like sulphur), which can be beneficial for specific crops or soils with known micronutrient deficiencies.
Q: Is NPK 15‑15‑15 compatible with other fertilizers for bulk blending?
A: NPK 15‑15‑15 is compatible with many other dry fertilizers (such as urea, DAP, MAP, potash). However, it has limited compatibility with certain products. Confirm compatibility with your agronomist or refer to the product’s technical data sheet before blending large volumes.
Q: How can I calculate the amount of NPK 15‑15‑15 I need per hectare?
A: For a balanced application, decide on your desired N rate. To apply 100 kg of N per hectareusing NPK 15‑15‑15, you need approximately 667 kg of product per hectare (because 100 ÷ 0.15 = 666.7). This will also supply 100 kg of P₂O₅ and 100 kg of K₂O per hectare.
🌍 Global Supply & Delivery Information
We sell only top original quality products at very good and affordable prices. We have warehouses strategically located in the United States, Europe, and the Middle East, ensuring fast and reliable distribution across these regions.
We can ship worldwide via:
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✈️ Air Freight – Express & rapid delivery (samples and small parcels only)
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🚚 Land Transportation – Truck delivery within regions (50kg bags, jumbo bags, palletised loads)
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🚢 Sea Freight – Cost‑effective for bulk orders (containers, break‑bulk, bulk vessels)
Shipping Options Available:
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Standard International Shipping (LCL / FCL sea freight)
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Express Worldwide Delivery (air freight)
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Full Container Load (FCL) Supply (20ft / 40ft containers)
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Break‑Bulk / Bulk Vessel (project cargo)
We deliver within the United States, Europe, and the Middle East, and we can ship to any destination globally. We support global exports with professional logistics coordination and secure delivery solutions worldwide.
All export shipments include full customs documentation and commodity classification for smooth clearance.
For more inquiries or to place an order (25kg or 50kg bags, jumbo bags, pallets, full containers, or bulk vessel loads), please contact us.
We deliver by air, land, and sea — internationally. Standard and express shipment options available.









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