Agricultural Grade Urea 46%
- Granular or prilled · 46% N
The highest-analysis solid nitrogen fertilizer in common use, and the backbone of most nitrogen programmes worldwide.
Granular or soluble · 23-5-15 + trace elements
NPK 23-5-15 + TE
A high-nitrogen establishment grade for building canopy quickly, with phosphorus kept low where soil reserves are already adequate.
Typical analysis
| Total nitrogen (N) | 23.0% |
|---|---|
| ) | 5.0% |
| Potassium oxide (K₂O) | 15.0% |
| Sulphur trioxide (SO₃) | Typically present |
| Trace elements | Included |
| Ratio | Approx. 4.6 : 1 : 3 |
NPK 23-5-15 pushes nitrogen hard and drops phosphorus low. It is a deliberate choice for one situation: building canopy quickly on a soil that already holds adequate phosphorus.
Why low phosphorus is often correct
Decades of routine phosphate application have left many intensively farmed soils with substantial phosphorus reserves. Continuing to apply balanced ratios on those soils does three unhelpful things: it wastes money on a nutrient the crop can already access, it reduces zinc and iron availability through antagonism, and — where runoff reaches watercourses — it contributes to a well-documented environmental problem.
A soil test settles the question. If phosphorus is adequate or high, a low-P grade is the correct response.
Where it fits
- Maize and cereals during rapid vegetative growth
- Leafy vegetables and brassicas where leaf is the product
- Sugarcane and banana in their growth phase
- Pasture and turf under regular cutting or grazing
Test before you choose
This is not a grade to select on intuition. Take a soil test, confirm phosphorus status, and choose accordingly. If phosphorus is genuinely low, a balanced grade such as NPK 15-15-15 is the right call instead.
As the crop moves into fruiting, shift towards NPK 11-8-34 + TE.
Product details
| Appearance | Pale pink granules, uniform size |
|---|---|
| Solubility & handling | Available granular and soluble — specify which you need. |
| Packaging | Standard export formats — confirm available pack sizes when you enquire |
| Common crops | Maize, leafy vegetables, brassicas, sugarcane, banana, pasture, turf |
How it is typically used
Applied during establishment and rapid canopy development, where soil phosphorus is already adequate and the priority is building leaf area quickly.
General guidance only. Application rates depend on crop, growth stage, soil and water analysis and local regulations — always follow the product label and your own agronomic advice.
Questions about this product
When is such a low phosphorus rate appropriate?
Where a soil test shows adequate or high phosphorus. Many intensively farmed soils have accumulated phosphorus over decades, and adding more delivers nothing while reducing zinc and iron availability.
How does it differ from a balanced grade?
It pushes nitrogen much harder and drops phosphorus sharply. Use it where canopy development is the priority and soil phosphorus is genuinely adequate.
Should I soil test first?
Yes. Choosing a low-phosphorus grade without knowing your soil phosphorus level is guessing, and the consequences take a season to show.
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Technical Grade Urea
- Crystalline / prilled · industrial purity
Higher-purity urea for industrial use, where low biuret and tight moisture control matter more than nitrogen content.
NPK 15-15-15
- Granular compound · 15-15-15
The classic balanced base fertilizer — one granule carrying all three major nutrients, applied at sowing across almost any crop.
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