Di-ammonium fertilizer is a crucial source of N and phosphorus for crop production.
Composition
The typical Di-ammonium phosphate bag contains 18% nitrogen, 46% phosphorus pentoxide and 0.0% potassium, often expressed as 18‑46‑0.
Market Rates
As of 2025 the standard price for a 50 kg bag of DAP in Kenya ranges from KES 6,500 to KES 8500, depending dealer and region.
One kilogram pack is priced around KES 140, making a cost‑effective option for small growers.
Usage
- Onion farms benefit from improved bulb development.
- Zea mays fields obtain robust stalk growth.
- Sukuma wiki and groundnut crops show higher yield.
- Coffee plantations use DAP during early growth stage for root system vigor.
Benefits
Quick nitrogen release aids vegetative growth, while phosphorus promotes root development and flower initiation. Its water‑soluble nature allows easy mixing with irrigation here systems.
Limitations
Excessive use can result in soil alkalinity increase, potentially affecting acid‑loving crops. Incorrect timing can cause nutrient leaching during heavy rains.
How to Purchase
Check the HSN 210690 and lot number for genuine before purchase. Local agro‑dealers, e‑commerce platforms, and farm supply outlets provide DAP with weights ranging from 50 kg.