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NPK 21-21-21 Compound Fertilizer (Controlled Release)

NPK 21-21-21 Compound Fertilizer is a premium, high-efficiency fertilizer with a triple-balanced formulation of 21% nitrogen (N), 21% phosphorus (P), and 21% potassium (K). Developed using advanced granulation techniques, it also includes essential trace elements to support overall plant vitality. This product is engineered for consistent nutrient release, ideal for various crops at both vegetative and reproductive growth stages.

Product Description

Key Features

High Nutrient Density: Supplies 21% each of N, P, and K to meet the demands of nutrient-hungry crops.
Balanced Triple-Formula: Ensures uniform support for vegetative growth, flowering, and fruiting.
Trace Elements Enriched: Reinforces micronutrient availability, reducing the risk of hidden deficiencies.
Advanced Granulation: Uniform particles for consistent spreading and absorption.
Customizable Granules: Granule color and size can be tailored to specific regional or application preferences.
Quality Assured: Manufactured under ISO 9001 and ISO 22241-1 certified processes for consistent product performance.

Suitable Applications

NPK 21-21-21 Compound Fertilizer is effective across a wide range of crops and horticultural settings:

Vegetables: Tomatoes, peppers, beans, cucumbers, and leafy greens.
Fruits: Citrus, apples, grapes, and berries.
Flowers and Ornamentals: Promotes lush blooms and healthy foliage.
Lawns and Turf: Ensures even greening and root reinforcement.
Cereals and Field Crops: Wheat, maize, rice, and soybean.

Application Method

Evenly broadcast the granular fertilizer around the base of plants or apply as a side dressing near the root zone. For water-soluble forms, it can be used through fertigation or irrigation systems to ensure uniform nutrient distribution.

Packaging Specifications

Type	Options
Retail Packs	100g / 250g / 500g / 1kg / 2kg / 5kg (colorful small bags)
PP Woven Bags	9.5kg / 9.9kg neutral or multi-color OEM designs
Bulk Loading (20’GP)	14–16 MT with pallet (small packs), 25–26 MT without pallet (bulk PP bags)

Storage & Handling

Store in a cool, dry, well-ventilated place
Avoid exposure to sunlight and rain
Keep away from heat and ignition sources
Handle gently to prevent damage to packaging

OEM Customization

We support flexible OEM customization:

Branded Packaging: Retail or bulk designs with your logo and color
Multilingual Labels: For global distribution
Formula Adjustments: Micronutrients and NPK ratios tailored to local needs
Flexible Packing: From 100g to 9.9kg, carton or woven bags
Pre-shipment Inspection: Support for third-party testing at your request

Why Choose NPK 21-21-21 Compound Fertilizer?

Triple-Balanced Nutrition
Delivers equal proportions of nitrogen (N), phosphorus (P), and potassium (K), ensuring comprehensive support for vegetative growth, root development, and stress resilience.
Enhanced Crop Performance
Promotes vigorous plant development, improved flowering, and fruit formation across a wide variety of crops, including vegetables, fruits, and ornamentals.
Versatile and Multi-Crop Use
Suitable for use on lawns, gardens, trees, and field crops. Ideal for diverse agricultural systems and adaptable to multiple growth stages.
Uniform Granule Size
Granular structure allows for easy and consistent application, supporting even nutrient distribution and effective root absorption.
Compatible with Most Programs
Designed for integration into common fertilization practices and adaptable to different soil types, irrigation systems, and climates.
Certified Quality
Manufactured under ISO 9001 Quality Management and ISO 22241-1 Chemical Safety standards, ensuring product consistency and safety during handling and application.

Specification

Item	Details
Product Name	NPK 21-21-21 Compound Fertilizer
Category	NPK Compound Fertilizer – NPK Fertilizer
Technology	Rotary Drum Pelletising / Tower Pelletising
Appearance	Customizable Granular
Specification	customized
Trace Elements	Zn, Fe, B, Mn, etc.
Ingredients	Ammonium chloride, Dipotassium phosphate, Potassium chloride, etc.
Certificates	ISO 22241-1, ISO 9001
Payment Terms	T/T, L/C, cash (USD, EUR, RMB)

Nutrient	Content	Source Composition (Optional)
Nitrogen (N)	21%	9% Nitrate Nitrogen, 12% Ammonium Nitrogen
Phosphorus (P)	21%	12% Diammonium Phosphate, 7% Monoammonium Phosphate, 2% Calcium Superphosphate
Potassium (K)	21%	Potassium Sulfate / Potassium Chloride (optional, price varies)
Trace Elements (TE)	Max 2.2%	Fe, Mn, Zn, Cu, Ca, B, Mo, Mg, S and other elements

Product Application

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NPK 21-21-21 Compound Fertilizer (Controlled Release)

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