✓ SGS Certified
Balanced N-P-K
Factory Price NPK Compound Fertilizer Wholesale Supplier, Exporters USA, Canada and Brazil
We are reliable supplier and exporter for bulk NPK Compound Fertilizer wholesale, we're offering high quality compound fertilizer with competitive price Worldwide. NPK Compound Fertilizer is a comprehensive crop nutrition solution delivering a precise and balanced ratio of Nitrogen (N), Phosphorus (P), and Potassium (K) in every granule. Enhances root strength, promotes flowering, boosts fruit development, and supports overall plant health across all major crops. Available in customisable N:P:K ratios with bulk supply from 200 MT to 500 MT per order.
| Product type | NPK Compound Fertilizer (Granular) |
| Key nutrients | Nitrogen (N) + Phosphorus (P) + Potassium (K) |
| Common ratios | 15-15-15, 20-20-20, 17-17-17, custom |
| Form | Uniform granules — even size, free-flowing |
| Application | Soil broadcast, topdress, fertigation |
| Suitable crops | All vegetables, grains, fruits, plantation crops |
| Packaging | 50 kg PP bags / bulk vessel load |
| Inspection | SGS / Intertek on request |
| MOQ | 200 Metric Tons |
Prices quoted in USD per MT (CIF) & (FOB). Specify your required N:P:K ratio in your inquiry. Send LOI and CIS for a Full Corporate Offer (FCO) within 48 business hours. No commitment required at FCO stage.
NPK Compound Fertilizer — Balanced N-P-K Wholesale Supplier & Manufacturer
NPK Compound Fertilizer is manufactured by combining nitrogen, phosphorus, and potassium sources into uniform granules that contain all three macronutrients in a single application. Available in standard and custom N:P:K ratios to match your crop and soil requirements.
| Parameter | Specification |
|---|---|
| Product name | NPK Compound Fertilizer |
| Type | Compound granular fertilizer |
| Key nutrients | Nitrogen (N) + Phosphorus (P₂O₅) + Potassium (K₂O) |
| Standard ratio | 15-15-15 / 17-17-17 / 20-20-20 |
| Custom ratios | Available on request (specify N:P:K in your LOI) |
| Form | Uniform spherical granules |
| Granule size | 2–5 mm (uniform for even spreading) |
| Colour | Grey / brown / varied (by formula) |
| Solubility | Good — suitable for soil and fertigation use |
| Secondary nutrients | May include Ca, Mg, S (formula dependent) |
| Micronutrients | Optional: Zn, B, Fe, Mn (on request) |
| Anti-caking | Yes — free-flowing treated granules |
| Grade | Agricultural |
| Packaging | 50 kg PP bags or bulk vessel load |
| Inspection | SGS / Intertek on request |
| Min. order | 200 Metric Tons |
| Max. order | 500 Metric Tons |
Exact nutrient content depends on the selected N:P:K ratio. Please specify your required formula when submitting your LOI. SGS or Intertek pre-shipment inspection available on request for all contracted orders.
NPK Compound Fertilizer — Balanced Macro-Nutrient Supplier
NPK fertilizer supplies the three primary macronutrients that all plants need in the largest quantities to grow, reproduce, and produce high-quality yields. Each nutrient plays a distinct and essential role in plant development.
Nitrogen is the primary driver of vegetative growth — it is a core component of chlorophyll, amino acids, and proteins. Adequate nitrogen produces lush, dark green foliage, strong stems, and high biomass. The first number in the NPK ratio (e.g. 20-20-20) indicates the percentage of nitrogen.
Phosphorus drives root development, energy transfer (ATP), flowering, seed formation, and fruit set. It is critical during early establishment and reproductive stages. The second number (e.g. 20-20-20) shows the phosphorus content as P₂O₅ equivalent.
Potassium regulates water uptake, improves disease resistance, enhances drought tolerance, and improves fruit quality, colour, and shelf life. The third number (e.g. 20-20-20) shows potassium content as K₂O equivalent.
What does the NPK ratio mean?
The NPK ratio (e.g. 15-15-15) shows the percentage by weight of each nutrient in the fertilizer. A 50 kg bag of 15-15-15 NPK contains 7.5 kg of nitrogen, 7.5 kg of phosphorus (as P₂O₅), and 7.5 kg of potassium (as K₂O) — providing all three macronutrients in equal proportions in every granule. Higher numbers in any position mean higher concentration of that nutrient.
Why choose compound NPK over straight fertilizers?
Compound NPK fertilizer delivers all three primary nutrients in a single uniform granule. This has major practical advantages over applying separate nitrogen, phosphorus, and potassium sources:
- Every granule contains all three nutrients — no risk of uneven nutrient distribution from segregation during application
- Simplifies fertilizer programs — one product instead of three separate applications, reducing labour and logistics cost
- Faster, more uniform crop response — balanced nutrition from day one of application rather than staggered uptake from separate products
- Lower storage and handling cost — one product to buy, transport, warehouse, and handle instead of three
- Reduced equipment passes — one spreading operation covers N, P, and K simultaneously
- Customisable formula — ratio can be adjusted to match specific soil test results and crop requirements
Micronutrients — the full picture
Beyond nitrogen, phosphorus, and potassium, plants also require micronutrients to sustain their essential biological functions. All living organisms — plants, animals, and humans — rely on micronutrients to grow, reproduce, and recover from stress or damage.
In addition to the primary NPK nutrients, our compound fertilizer formulas can be enriched with secondary nutrients and micronutrients on request:
- Calcium (Ca) — cell wall integrity, reduces blossom end rot in fruits
- Magnesium (Mg) — chlorophyll production, photosynthesis efficiency
- Sulfur (S) — protein and enzyme synthesis, oil quality in oilseeds
- Zinc (Zn) — enzyme activation, pollen viability, fruit set
- Boron (B) — cell division, pollen tube growth, sugar transport
- Iron (Fe) — chlorophyll synthesis, enzyme function
Contact us to discuss enriched NPK formulas with secondary nutrients or micronutrients for your specific crop and region.
Why Choose NPK Compound Fertilizer for Your Crops?
NPK Compound Fertilizer is the world's most versatile and widely used multi-nutrient fertilizer — delivering three essential macronutrients in a single, balanced application. Its even granule size ensures uniform nutrient distribution across the field, and its customisable N:P:K ratio makes it suitable for virtually every crop type and soil condition.
Complete macro-nutrient nutrition in one product
Every granule contains a balanced dose of nitrogen, phosphorus, and potassium — the three nutrients required in the largest quantities by all crops. A single NPK application covers the primary nutritional needs of the crop from establishment through to harvest.
Enhances root strength and early establishment
The phosphorus content in NPK promotes rapid, deep root development from germination. Strong root systems allow crops to access water and nutrients more efficiently through the growing season, improving drought tolerance and reducing crop losses.
Promotes flowering and boosts fruit development
Phosphorus and potassium work together to increase flower number and quality, improve fruit set percentage, and accelerate fruit development. The result is higher fruit counts, larger fruit size, and better marketable yield in all fruiting crops.
Uniform granule size — consistent spreading
Our NPK fertilizer features uniform, spherical granules that flow freely through all types of spreading equipment. Consistent granule size prevents segregation during blending and spreading, ensuring uniform nutrient distribution across the field with every application.
Suitable for all major crops and soil types
NPK Compound Fertilizer is effective across all major commercial crops — vegetables, grains, fruits, plantation crops, and ornamentals — in all soil types and climate zones. The customisable N:P:K ratio allows the formula to be precisely matched to soil test results and crop requirements.
Improves crop quality and marketable yield
Balanced nutrition throughout the growing season produces crops with better colour, size, firmness, taste, and nutritional content — directly improving market value, reducing post-harvest losses, and increasing grower returns per hectare.
Crop response to NPK fertilization
Research consistently shows that balanced NPK fertilization produces significantly higher yields and better quality than single-nutrient applications. Crops respond to all three nutrients simultaneously — and deficiencies in any one nutrient limit the response to the others (Liebig's Law of the Minimum).
Rice & Wheat
Increases tillering, grain number, and grain protein content. Improves lodging resistance.
Maize / Corn
Drives rapid early growth, improves cob fill, and increases grain yield significantly.
Tomato & Vegetables
Promotes vigorous establishment, abundant flowering, and high-quality, uniform fruit.
Banana & Plantain
Accelerates bunch development, increases hand count, and improves fruit size and quality.
Oil Palm
Boosts fresh fruit bunch yield and oil content. Essential for plantation profitability.
Citrus & Fruits
Improves fruit size, peel colour, juice content, and shelf life for export markets.
NPK Compound Fertilizer — Available Ratios & Formulas
We supply NPK Compound Fertilizer in a wide range of standard N:P:K ratios, as well as custom formulas on request. Specify your required ratio when submitting your LOI.
Most widely used ratio. Suitable for all crops as a basal application. Ideal when soil tests show deficiency in all three nutrients.
Higher analysis version of 15-15-15. Less product needed per hectare. Preferred for intensive horticultural and high-value crops.
Standard balanced formula widely used in Asia and Africa. Good all-round performance on cereal, vegetable, and fruit crops.
Recommended for soils low in phosphorus. Ideal for pre-planting application and crops with high phosphorus demand at establishment.
For crops where phosphorus is adequate in soil but nitrogen and potassium are the limiting nutrients. Used in mature plantations and orchards.
Low nitrogen, high P and K. Ideal for flowering and fruit development stages when vegetative growth should be limited.
Elevated potassium for fruit quality improvement, disease resistance, and post-harvest quality. Used on potatoes, fruits, and export vegetables.
Any N:P:K ratio available on request. Contact us with your soil test results and crop type for a tailored formula recommendation.
Which NPK ratio is right for your crop?
The best NPK ratio depends on your soil test results, crop type, growth stage, and existing soil nutrient levels. For general-purpose applications across multiple crops without a soil test, the balanced 15-15-15 or 17-17-17 formula is the most reliable starting point. Contact us with your crop type and growing region and we can advise on the most appropriate formula for your conditions.
How to Apply NPK Compound Fertilizer for Maximum Yield
Best practices for applying NPK Compound Fertilizer across different cropping systems, application methods, and timing strategies to maximise nutrient use efficiency.
Basal / pre-planting application
Apply NPK as a basal dressing before planting or sowing. Incorporate into the top 10–15 cm of soil by tillage. The phosphorus and potassium components are relatively immobile in soil, so pre-planting incorporation places them in the root zone from day one. Typical rate: 200–600 kg/ha depending on crop and soil test results.
Topdressing established crops
Apply NPK as a topdressing during the early-to-mid vegetative stage. Broadcast evenly across the crop and irrigate or apply before anticipated rainfall to dissolve and move nutrients into the root zone. Split into two applications for high-rainfall areas to minimise leaching losses.
Row / band application
Place NPK in bands alongside seed rows (5 cm to the side and below the seed line). Concentrates all three nutrients near developing roots for faster uptake and better establishment. Requires less total fertilizer per hectare than broadcast application for the same crop response.
Fertigation — drip / sprinkler
Dissolve NPK in the irrigation water and apply through drip or sprinkler systems. Use only fully water-soluble NPK grades for fertigation applications. Apply at lower rates more frequently (2–3 times per week) for maximum uptake efficiency during active growth stages.
Vegetables & high-value crops
Apply NPK at transplanting as a base, then topdress or fertigate throughout the growing cycle. Adjust N:P:K ratio at different growth stages — higher P at establishment, higher K at flowering and fruit development. Monitor leaf colour for early signs of nutrient deficiency.
Plantation crops
Apply NPK in split doses 3–4 times per year around the tree canopy drip-line. Avoid placing fertilizer directly against the trunk. In high-rainfall plantation areas, more frequent split applications significantly improve nutrient use efficiency versus single large annual doses.
💡 Application tips for maximum results
Always apply NPK before rain or irrigation — or incorporate immediately after application to prevent nitrogen volatilization. Soil test annually and adjust the N:P:K ratio as soil nutrient levels change with repeated cropping. Split applications generally outperform single large doses, especially for high-rainfall regions where nitrogen leaching is a risk. Combine NPK with organic matter applications every 2–3 seasons to maintain soil biology and nutrient retention capacity.
⚠️ Avoid direct seed contact
Do not place NPK fertilizer in direct contact with seeds — the salt concentration from the combined N, P, and K can cause seed burn and severely reduce germination. Always maintain at least 3–5 cm of soil separation between NPK bands and the seed row. For broadcast applications, incorporate NPK into the soil before sowing rather than applying on top of placed seed. When in doubt, apply NPK pre-planting and incorporate before sowing.
NPK Fertilizer Ordering Terms & Conditions
All wholesale orders for NPK Compound Fertilizer are processed under standard international commodity trade terms. Please specify your required N:P:K ratio in your Letter of Intent.
| Term | Detail |
|---|---|
| Product | NPK Compound Fertilizer (specify ratio in LOI) |
| Standard ratios | 15-15-15, 17-17-17, 20-20-20 + custom |
| Grade | Agricultural |
| Min. order quantity | 200 Metric Tons (MT) |
| Max. order quantity | 500 Metric Tons (MT) |
| Price basis | USD per MT, FOB loading port |
| Incoterms available | FOB, CIF, CFR, EXW |
| Payment instruments | DLC or SBLC Transferable |
| Payment structure | 30% advance + 70% at loading port |
| Currency | USD — all transactions |
| Loading time | 3–5 days after vessel readiness |
| Inspection | SGS or Intertek pre-shipment (on request) |
| Packaging | 50 kg PP bags or bulk vessel load |
| FCO issuance | Within 48 business hours of LOI + CIS |
| Required from buyer | LOI (include N:P:K ratio) + CIS documents |
5 Steps from Inquiry to Shipment
Our process is transparent and straightforward for international B2B buyers. From first contact to vessel loading — here is exactly what happens.
Submit LOI and CIS — specify N:P:K ratio
Send your Letter of Intent (quantity, required N:P:K ratio, port, date) and Company Information Sheet via our contact page, email, or WhatsApp.
Receive Full Corporate Offer (FCO)
We issue a complete FCO within 48 business hours — price per MT, quantity, specifications, incoterms, loading schedule, and payment terms.
Review and sign the sales contract
Countersign the contract with all agreed specifications, pricing, and delivery obligations contractually guaranteed.
Payment — DLC or SBLC Transferable
30% advance at contract signing. 70% at loading port. All payments in USD via DLC or SBLC Transferable.
Shipment and full documentation
Product loaded within 3–5 days of vessel readiness. Full docs: B/L, SGS/Intertek report, COO, invoice, packing list.
Request a Quote for NPK Compound Fertilizer
Send us your inquiry below and we will respond within 24–48 business hours with a Full Corporate Offer (FCO). Please specify your required N:P:K ratio, quantity, and delivery port. Attach your LOI and CIS if available — or request a blank template from us.
By submitting this form you agree to be contacted by Gro Export Ltda. We do not share your information with third parties.
Contact Gro Export Ltda
Include your required N:P:K ratio (e.g. 15-15-15) in your LOI or message. We can also recommend the best formula for your crop and soil type — just tell us your situation.