NPK 15-30-15+TE Water-Soluble Fertilizer from China Suppliers | Quality Fertilizer Factory for Flowering Stage
Product Overview
NPK 15-30-15+TE is a concentrated water-soluble fertilizer formulated for crops with elevated phosphorus requirements, particularly during pre-flowering and reproductive growth stages. The formulation is designed to deliver readily available nutrients in systems where precision, solubility, and consistency are essential.
In modern agriculture, fertigation and foliar feeding programs require fertilizers that dissolve quickly, remain stable in solution, and perform reliably under different water qualities. NPK 15-30-15+TE is produced using high-purity raw materials to ensure clean dissolution and uniform nutrient distribution, helping growers maintain consistent crop performance.
The product is suitable for greenhouse production, open-field fertigation systems, and high-frequency foliar application programs.
Performance in Fertigation and Foliar Application
In drip irrigation and foliar systems, fertilizer quality directly affects operational efficiency and crop response. Poor solubility or insoluble residues can lead to emitter blockage, uneven nutrient delivery, and reduced effectiveness.
NPK 15-30-15+TE is engineered to provide stable performance under these conditions. Key characteristics include:
- Rapid and complete dissolution in irrigation water
- Low insoluble content to protect irrigation systems
- Stable nutrient solution across a range of water conditions
- Uniform distribution in fertigation systems
- Efficient absorption when applied as foliar spray
These features support consistent application results across different crops and growing environments.
Nutritional Function in Reproductive Growth
The elevated phosphorus content in NPK 15-30-15+TE plays a critical role in plant physiological processes related to flowering and fruit development. Phosphorus is essential for energy transfer and metabolic activity, particularly during flower bud differentiation.
In combination with nitrogen and potassium, this formulation supports:
- Early and uniform flower bud formation
- Improved flowering intensity and consistency
- Enhanced fruit set and reduced flower drop
- Efficient transport of assimilates to reproductive organs
- Improved crop quality and yield potential
This makes the product especially suitable for crops where flowering performance directly impacts market value.
Composition and Nutrient Content
- Total Nitrogen (N): 15%
- Available Phosphate (P₂O₅): 30%
- Soluble Potash (K₂O): 15%
- Iron (Fe): 1000 ppm
- Manganese (Mn): 500 ppm
- Zinc (Zn): 150 ppm
- Copper (Cu): 110 ppm
- Boron (B): 200 ppm
- Molybdenum (Mo): 70 ppm
All nutrients are fully water-soluble and suitable for fertigation and foliar application.
Application
NPK 15-30-15+TE is recommended for use during:
- Pre-flowering stage
- Flower bud differentiation
- Early fruit set
Packaging Options
- 25 kg standard bags
- OEM/ODM customized packaging available upon request
Product Positioning
NPK 15-30-15+TE is positioned as a high-performance, high-phosphorus water-soluble fertilizer for professional growers and distributors.
Rather than a standard NPK formulation, this product focuses on application reliability and reproductive-stage performance. It is particularly suited for:
- Greenhouse and protected agriculture
- High-value horticultural crops
- Intensive fertigation programs
- Ornamental and flowering plant production
It supports growers seeking consistent flowering results, stable application performance, and improved crop quality.
Frequently Asked Questions (FAQ)
A: The elevated phosphorus level (30%) is essential for energy transfer and metabolic activity during critical growth periods. It specifically supports early and uniform flower bud formation, improves flowering intensity, and enhances fruit set while reducing flower drop.
A: Yes, NPK 15-30-15+TE is formulated using high-purity raw materials that ensure rapid and complete dissolution. Its low insoluble content prevents emitter blockages, ensuring uniform nutrient delivery across the entire fertigation system.
A: This fertilizer is highly recommended for application during the pre-flowering stage, flower bud differentiation, and early fruit set stages, when crops require higher levels of phosphorus.
A: Yes, it is enriched with essential chelated trace elements (TE) including Iron (1000 ppm), Manganese (500 ppm), Zinc (150 ppm), Copper (110 ppm), Boron (200 ppm), and Molybdenum (70 ppm) to prevent nutritional deficiencies.
A: Absolutely. The high purity and solubility of NPK 15-30-15+TE allow for efficient nutrient absorption through the leaves, making it excellent for high-frequency foliar feeding programs.
A: Our standard packaging is 25 kg bags. However, we also provide customized OEM/ODM packaging solutions tailored to meet your specific branding and distribution requirements.









