NPK Fertilizer (Compound Fertilizer)
npk fertilizer
“The complete nutritional package for a hungry crop; more than a blend, it’s a precisely tuned growth engine.” Every granule of Arnico’s Granular NPK delivers the exact trinity of Nitrogen, Phosphorus, and Potassium your crop demands. Manufactured using advanced chemical granulation, our compound fertilizer ensures uniform nutrient distribution, preventing segregation and guaranteeing every square meter of your farm receives the same balanced nutrition. For a harvest that matches your ambition, trust the precision of Arnico.
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NPK Fertilizer ARNICO: The Tri-Elemental Powerhouse for Maximizing Crop Yield and Ensuring Sustainable Agriculture
NPK fertilizer, the cornerstone of modern agriculture, is a complex, multi-nutrient formulation designed to deliver the three primary macronutrients essential for plant life: Nitrogen (N) , Phosphorus (P) , and Potassium (K) . Marketed under the trusted brand NPK Fertilizer ARNICO, this product is not merely a mixture of chemicals; it is a scientifically engineered nutritional solution formulated to optimize plant growth at every stage, from vigorous vegetative development to robust flowering and high-yield fruit set. ARNICO’s NPK fertilizers are the result of advanced granulation technology, precise chemical blending, and a profound understanding of plant physiology and soil science. This ensures a balanced, consistent, and highly available source of nutrition that drives agricultural productivity and supports sustainable farming practices worldwide.
The true power of NPK Fertilizer ARNICO lies in its tailored versatility. Recognizing that different crops and different growth stages have unique nutritional demands, ARNICO offers a comprehensive range of formulations. Each specific N-P-K ratio is designed to address a particular need, providing farmers and agronomists with the precision tools necessary to maximize yield and quality.
ARNICO provides a spectrum of high-quality NPK grades, including but not limited to:
1. Balanced Formulations (e.g., 20-20-20, 15-15-15): These are the workhorses of general agriculture, providing an equal or near-equal proportion of all three primary nutrients. They are ideal for crops that require a consistent supply of N, P, and K throughout their life cycle, serving as an excellent base fertilizer for a wide variety of crops in diverse soil conditions.
2. High-Nitrogen Formulations (e.g., 30-10-10, 25-5-5): Formulated to promote rapid, lush vegetative growth. These grades are particularly beneficial for leafy vegetables, lawns, and the early stages of crop development where the demand for nitrogen is at its peak for protein synthesis and chlorophyll production.
3. High-Phosphorus Formulations (e.g., 10-52-10, 12-24-12): Designed to stimulate strong root development, early plant establishment, and prolific flowering. These starter fertilizers are invaluable for young transplants, root crops, and flowering ornamentals, ensuring a strong foundation for high yields.
4. High-Potassium Formulations (e.g., 13-13-21, 15-5-30): Engineered to enhance fruit quality, size, and sugar content, as well as improve overall plant health and stress tolerance (including drought and disease resistance). These grades are critical during the fruiting and ripening stages of crops like tomatoes, peppers, and fruit trees.
The decisive competitive advantage of ARNICO NPK Fertilizer lies in its uncompromising quality and consistency. Each granule is manufactured to ensure uniform nutrient distribution, preventing segregation during handling and application. By utilizing high-purity raw materials, ARNICO guarantees a product that is highly soluble, readily available to plants, and free from harmful contaminants, ensuring both crop safety and environmental responsibility.
Technical Specifications, Guaranteed Analysis, and Grades of ARNICO NPK Fertilizer
This section presents the engineering foundation and scientific backbone of the product. The table below directly represents ARNICO’s qualitative commitments and forms the definitive basis for the Certificate of Analysis (COA) issued for every production batch. These certified parameters are the primary criteria for evaluation, quality assurance, and formal acceptance of consignments by leading agricultural enterprises and distributors worldwide. At ARNICO, quality is a guaranteed, verifiable specification.
Table of Technical Specifications by Representative Grades
| Parameter | 20-20-20 | 15-15-15 | 10-52-10 (High-P) | 13-13-21 (High-K) | Unit | Test Method |
|---|---|---|---|---|---|---|
| Appearance | Uniform Granules, Off-White to Light Grey | Uniform Granules, Off-White to Light Grey | Uniform Granules, Off-White to Light Grey | Uniform Granules, Off-White to Light Grey | – | Visual Observation |
| Total Nitrogen (as N) | ≥ 20.0 | ≥ 15.0 | ≥ 10.0 | ≥ 13.0 | % by weight (w/w) | Kjeldahl Method |
| Available Phosphorus (as P₂O₅) | ≥ 20.0 | ≥ 15.0 | ≥ 52.0 | ≥ 13.0 | % by weight (w/w) | Spectrophotometry (Molybdenum Blue) |
| Soluble Potassium (as K₂O) | ≥ 20.0 | ≥ 15.0 | ≥ 10.0 | ≥ 21.0 | % by weight (w/w) | Flame Photometry |
| Moisture Content | ≤ 2.0 | ≤ 2.0 | ≤ 2.0 | ≤ 2.0 | % by weight (w/w) | Gravimetric Analysis (Oven Drying) |
| Particle Size (1-4.75 mm) | ≥ 90 | ≥ 90 | ≥ 90 | ≥ 90 | % retained | Sieve Analysis |
| Water Insoluble Matter | ≤ 1.0 | ≤ 1.0 | ≤ 1.0 | ≤ 1.0 | % by weight (w/w) | Gravimetric Analysis after Filtration |
| Chloride (as Cl) | ≤ 2.0 | ≤ 2.0 | ≤ 2.0 | ≤ 5.0 | % by weight (w/w) | Titrimetric (Mohr Method) |
| Heavy Metals (as Pb) | ≤ 20 | ≤ 20 | ≤ 20 | ≤ 20 | ppm (mg/kg) | Inductively Coupled Plasma Mass Spectrometry (ICP-MS) |
| Granule Hardness | ≥ 2.0 | ≥ 2.0 | ≥ 2.0 | ≥ 2.0 | kg/granule | Granule Hardness Tester |
Expert Parameter Guide (For Informed and Professional Selection)
A true agricultural professional understands that the value of a fertilizer lies in its precise nutrient content and physical properties. This guide will empower you to make the most informed technical and economic decisions:
Total Nitrogen (N): The Engine of Growth. Nitrogen is the primary driver of vegetative growth, responsible for the synthesis of proteins, amino acids, and chlorophyll. A higher N content is essential for leafy crops (like lettuce and spinach) and for the early stages of most plants. It is the nutrient that gives plants their deep green color and drives rapid biomass accumulation.
Available Phosphorus (P₂O₅): The Foundation Builder. Phosphorus is critical for energy transfer (ATP), root development, and early plant establishment. It is especially important for young seedlings, root crops (like potatoes and carrots), and for promoting prolific flowering and seed formation. The “available” designation indicates the form of phosphorus that is readily soluble and accessible to plants.
Soluble Potassium (K₂O): The Quality Enhancer. Potassium is the “regulator” nutrient. It plays a vital role in water regulation, enzyme activation, and photosynthesis. A higher K content is crucial during the fruiting and ripening stages as it enhances fruit size, color, sugar content, and shelf life. It also strengthens the plant’s ability to withstand stress, such as drought, disease, and cold.
Moisture Content and Granule Hardness: The Quality Indicators. Low moisture content prevents caking and ensures the product remains free-flowing. Granule hardness is a critical physical property that minimizes dust formation and prevents the granules from breaking down during handling and application, ensuring uniform distribution in the field.
Chloride (Cl) Content: The Safety Parameter. While chloride is a micronutrient, excessive amounts can be harmful to sensitive crops (like tobacco, grapes, and some fruits) and can contribute to soil salinity. ARNICO’s strict control over chloride content ensures the product is safe for a wide range of crops.
Technical, Economic, and Operational Advantages of ARNICO NPK Fertilizer with Proven Agricultural Applications
This section moves beyond the technical datasheet to explore the practical benefits and real-world applications that have made ARNICO NPK Fertilizer a preferred choice for farmers and agronomists globally.
Key Advantages: Why is ARNICO NPK Fertilizer the Superior Choice?
1. Precision Nutrition for Maximum Yield.
The primary advantage of a formulated NPK fertilizer is the ability to deliver a precise ratio of nutrients tailored to specific crop needs and soil conditions. ARNICO’s diverse range of grades empowers agronomists to implement precision nutrient management strategies, ensuring that crops receive exactly what they need, when they need it. This optimized nutrition directly translates to maximized yield potential and superior crop quality.
2. Enhanced Nutrient Use Efficiency (NUE).
ARNICO’s advanced granulation technology ensures each granule contains a homogeneous blend of N, P, and K. This prevents nutrient segregation during transport and spreading, guaranteeing that every plant receives a uniform supply of all three macronutrients. This uniformity leads to improved nutrient uptake and reduced waste, minimizing environmental impact from runoff and leaching.
3. Improved Crop Quality and Marketability.
Beyond just increasing yield, ARNICO NPK fertilizers are formulated to enhance the physical attributes of the final produce. High-potassium grades, for example, are proven to improve the size, color, taste, and firmness of fruits and vegetables. This leads to higher market prices, better shelf life, and reduced post-harvest losses.
4. Strengthened Plant Health and Stress Tolerance.
A balanced supply of all three primary nutrients is fundamental to robust plant health. Potassium, in particular, plays a key role in regulating water use and activating defense mechanisms. Crops fed with ARNICO NPK fertilizer exhibit greater resilience against environmental stresses such as drought, extreme temperatures, and disease pressure.
5. Consistent Quality and Reliable Supply.
By partnering with ARNICO, you gain more than a product; you gain a reliable partner committed to secure, consistent supply. Every batch is produced under stringent quality control, guaranteeing the same high level of performance season after season, helping farmers plan with confidence.
Specialized and Proven Fields of Application:
Field Crops:
Cereals (Wheat, Corn, Rice, Barley): Application of balanced and high-nitrogen grades at planting and during tillering to maximize grain yield and protein content.
Oilseeds (Soybean, Canola, Sunflower): Use of starter formulations high in phosphorus to promote early root establishment and nodulation in legumes.
Legumes (Beans, Peas, Lentils): Application of high-phosphorus and high-potassium grades to support flowering and pod development.
Vegetables and Fruits:
Leafy Greens (Lettuce, Spinach, Cabbage): Utilization of high-nitrogen formulas to encourage rapid, lush vegetative growth.
Fruiting Vegetables (Tomatoes, Peppers, Cucurbits): Switching to high-potassium formulations during flowering and fruit set to maximize yield, size, and flavor.
Root Crops (Potatoes, Carrots, Onions): Use of high-phosphorus and high-potassium grades to promote strong root development and high-quality storage organs.
Fruit Trees (Citrus, Apples, Olives): Application of balanced and high-potassium grades during fruit development to enhance fruit size, sugar content, and overall quality.
Ornamentals and Turf:
Providing balanced nutrition for vibrant flowering plants, shrubs, and lawns, ensuring consistent color and aesthetic appeal.
Greenhouse and Hydroponics:
Water-soluble NPK grades are used extensively to formulate precise nutrient solutions for soilless cultivation systems, providing complete control over plant nutrition.
Safety, Health, and Operational Integrity; The Cornerstone of ARNICO’s Commitment and Your Assurance of a Reliable Partnership
This section is dedicated to the two foundational pillars of ARNICO’s commitment: first, complete transparency and the provision of actionable guidance for safe handling; and second, the exposition of an integrated quality assurance system that elevates our product to a full-fledged agricultural solution.
Comprehensive Safety, Handling, and Storage Guide
ARNICO NPK Fertilizer is a stable, non-flammable product. While it poses minimal chemical hazards, safe handling and storage practices are important to maintain product integrity and prevent physical hazards.
Mandatory Personal Protective Equipment (PPE): While not highly toxic, standard PPE is recommended to prevent skin and eye irritation from dust.
Gloves: Standard work gloves to prevent skin contact and irritation.
Eye and Face Protection: Safety glasses or chemical goggles to prevent dust from entering the eyes.
Respiratory Protection: A dust mask (such as N95) is recommended when handling large quantities or in areas with poor ventilation to avoid inhaling fertilizer dust.
Potential Hazards and First Aid Measures:
On Skin: Wash the affected area with soap and water.
In Eyes: Rinse immediately and thoroughly with clean water for at least 15 minutes. If irritation persists, seek medical advice.
Inhalation: Move the person to fresh air. If coughing or breathing difficulty occurs, seek medical advice.
Accidental Ingestion: Rinse mouth with water. Drink 1-2 glasses of water. Seek medical advice if a large quantity is ingested.
Golden Rules for Optimal Storage and Handling:
Storage: Store in a cool, dry, and well-ventilated warehouse away from direct sunlight, rain, and excessive moisture. The product is hygroscopic and will absorb moisture, leading to caking and nutrient degradation.
Keep Bags Sealed: Once opened, bags should be tightly resealed to prevent moisture absorption.
Spill Management: Sweep up spilled fertilizer and collect it in appropriate containers for disposal or reuse. Avoid washing spills into storm drains or water bodies.
Incompatible Materials: Keep away from strong acids, strong bases, and strong oxidizing agents.
Safety Data Sheet (SDS): The complete and official Safety Data Sheet, compliant with the Globally Harmonized System (GHS), is always available for download on the official ARNICO website. It is a legal and professional imperative that all employers and safety officers study this document thoroughly.
ARNICO’s Quality Assurance System and Technical Services; Beyond Being Just a Supplier
Quality assurance at ARNICO is a holistic, end-to-end process that starts with raw material selection and continues through to post-sale technical support.
Guaranteed Certificate of Analysis (COA): Every consignment of an ARNICO product is accompanied by its own unique, batch-specific COA. This certificate contains the actual results of laboratory analyses, verifying the precise percentages of Nitrogen, Phosphorus, and Potassium, guaranteeing the product’s full conformity to our stringent specifications.
Expert On-Site Technical and Agronomic Services: Our team of experienced agronomists and specialists will serve as your dedicated technical arm, providing invaluable support including:
Crop-Specific Fertilizer Recommendations: Assisting in the selection of the optimal NPK grade and application rate based on your specific crop, soil test results, and yield goals.
Fertigation and Application Support: Providing technical guidance on the correct methods for applying the fertilizer, whether by broadcasting, banding, or through irrigation systems.
Periodic Site Visits and Continuous Performance Monitoring: Ensuring the long-term, stable quality of the product and proactively addressing any agronomic queries.
For more information, to request a free expert technical consultation, to ask for a sample COA, or to place an order, please visit the ARNICO website and contact our commercial and technical specialists. ARNICO: Your Trusted Partner for Clarity and Sustainable Quality.
Technical documents for npk fertilizer products, including Technical Data Sheet (TDS), Material Safety Data Sheet (MSDS), and Certificate of Analysis (COA), are available to customers upon request.
To receive these documents and additional information, please contact the company’s technical or sales department or contact us via email.
Commitment to Arnico quality; production cycle npk fertilizer
Trust of Major Industries in Arnico
Stable supply and strong logistics chain
With Arnico, production stoppages are a thing of the past. Our global supply network and strategic warehouses ensure that your raw materials are supplied on time and without interruption, even amidst market fluctuations.
Quality assurance with a valid Certificate of Analysis (COA)
Every shipment of Arnico is shipped with a dedicated analysis sheet. Ensure full compliance with international standards before unloading. Our transparency is your peace of mind.
Transparent pricing and elimination of unnecessary intermediaries
Direct sourcing and eliminating intermediaries has brought our prices closer to global rates. With Arniko, you will experience smart, economical, and completely transparent shopping.
Specialized technical advice; beyond a supplier
Arnico’s technical team is by your side before you make a purchase. From selecting the right grade to sample analysis, our detailed, complimentary consultation guides you toward the best decision. Arniko—your technical partner on the path to growth.
Quick Guide to Buying npk fertilizer
What is the minimum order quantity (MOQ)? Is it possible to make a trial purchase?
The minimum order quantity (MOQ) for npk fertilizer is one ton (1000 kg) equivalent to 40 bags of 25 kg. However, for new buyers, Arniko offers a trial batch of 200 to 500 kg at a special price to test the quality of the product in its production line. Samples of 1 to 5 kg are also sent free of charge to accredited customers. For purchases of more than 5 tons, a significant volume discount is applied.
What documents and certificates do you provide to ensure quality?
Arnico provides the following complete package of documents for each shipment:Certificate of Analysis (COA)from a National Standards Organization accredited laboratory
Commercial with full specifications
ISO 9001:2015 certificate (quality management) and ISO 14001 (environmental management)
NSF/ANSI 60 approval for food grade (suitable for drinking water)
SGS or Bureau Veritas inspection certificate can also be provided upon request All these documents will be provided to the buyer for final approval before loading, and in case of non-compliance, the buyer has the right to cancel.
What are the payment methods and transaction guarantees for foreign buyers?
Yes. Food Grade npk fertilizer is FDA approved and meets NSF/ANSI 60 standards for use in drinking water treatment. Products supplied by Arnico are completely free of harmful heavy metals (such as arsenic, mercury and lead) and come with accurate laboratory analysis. We provide a certified Certificate of Analysis (COA) for every export shipment.
What is the delivery time and shipping cost to different destinations?
The order delivery time is as follows:
Stock orders: Maximum 5 to 7 business days after receiving the advance payment
Production orders (custom): Maximum 15 to 21 business days
Sea export: Depending on Destination, 20 to 45 days plus shipping time
Shipping cost is calculated in two ways:
FOB (port of origin): includes product price + loading in Bandar Abbas, Asaluyeh or Imam Khomeini
CIF (port of destination): includes cost price + sea freight + insurance to port of destination
Arnico Logistics Team cooperates with 3 reputable international shipping companies and calculates the best rates for neighboring countries, Central Asia, Africa, Europe and China. Also, the exact production and shipping schedule is announced to the buyer on a weekly basis so that the purchasing planning process is completely transparent.
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Your satisfaction is our credit.
Our support team, consisting of experienced experts, is ready to answer your questions and challenges in the shortest possible time. Our goal is to provide you with a precise and practical solution.