MAP
Highest phosphorus content among solid fertilizers — powerful root-building energy for broadacre field crops.
Built for phosphorus efficiency and value
With the highest phosphorus content among solid fertilizers, MAP delivers powerful root-building energy at the lowest delivered cost per unit of nutrient.
Dual benefit & superior PUE
Simultaneous ammonium-N supply and active rhizosphere phosphorus mobilization. Compared to phosphorus-only sources like SSP, MAP achieves active phosphorus mobilization through ammonium nitrogen-mediated pH regulation in alkaline and neutral soils, significantly suppressing post-application re-fixation and delivering substantially improved crop phosphorus use efficiency (PUE). Under equivalent inputs, root development is more robust and early growth vigor is stronger.
Optimal cost control
Lowest cost per unit with highest transport and storage efficiency. Ultra-high phosphorus concentration maximizes effective phosphorus per ton shipped and stored, substantially reducing the comprehensive delivered phosphorus cost vs. lower-concentration alternatives; for large-scale broadacre farms and plantations, this is the optimal single phosphorus solution to achieve science-based input reduction, improved efficiency, and minimized carbon and logistics footprint.
Seedling starter phosphorus
Integrated seeding & fertilization with zero toxicity risk. Functions as a starter fertilizer directly banded or co-applied near seeds, providing priority phosphorus supply to seedlings during the germination-sensitive period, driving dense primary lateral root and root hair differentiation, significantly improving broadacre crop seedling uniformity and early-stage growth vigor, laying the strongest physiological foundation for season-long high yields.
Premium application
Agricultural grade (11-52-0) does not dissolve completely, not suitable for liquid fertigation systems; industrial grade (12-61-0) is 100% fully water-soluble and is the only standard choice for premium drip irrigation, micro-sprinklers, NFT/DWC soilless cultivation, and foliar fertilization. Also widely used as the core phosphorus raw material for producing premium water-soluble NPK compound formulas (e.g., 20-20-20, 15-30-15) by specialty fertilizer manufacturers and blending plants.
Guaranteed chemical analysis
MAP forms a mildly acidic solution (pH ≈ 4.5) upon soil dissolution to activate alkaline-soil phosphorus and trace elements. Industrial grade meets EU CE high-purity water-soluble standards.
| Grade | N (%) | P₂O₅ (%) | Water solubility | Typical use |
|---|---|---|---|---|
| Agricultural grade | 11 | 52 | Not fully soluble | Granular soil application, blending |
| Industrial grade | 12 | 61 | 100% water-soluble | Drip fertigation, foliar spray, NPK compound blending |
| Note: P₂O₅ ≥ 52% across both grades — the highest phosphorus content among solid fertilizers. | ||||
Application guidance
Grade selection determines the right delivery method — from broadacre soil banding to premium fertigation systems.
Industrial grade (12-61-0) is fully water-soluble and is the standard choice for premium drip irrigation, micro-sprinklers, NFT/DWC soilless cultivation, and foliar fertilization. It also serves as the core phosphorus raw material for producing premium water-soluble NPK compound formulas (e.g., 20-20-20, 15-30-15).
Agricultural grade (11-52-0) is best applied as a starter fertilizer, directly banded or co-applied near seeds at sowing. This provides priority phosphorus supply to seedlings during the germination-sensitive period, driving dense primary lateral root and root hair differentiation for improved seedling uniformity and early-stage growth vigor across broadacre field crops.
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