NK 21-21 — High-Analysis Equal N & K Top-Dress
At 21% N and 21% K2O, this is among the highest-analysis NK compounds available — delivering 42% total nutrients for intensive top-dress on high-yield wheat, maize and cotton where both N and K must be replenished mid-season without adding phosphorus. From 1,000 MT.
Composition & Limits
- FOB
- CFR
- CIF
- Agriculture
- Blending
- Fertigation
Intensive Top-Dress
Irrigated wheat at flag leaf emergence receives 150–200 kg/ha NK 21-21, delivering 30–40 kg N and K each. High-yield cotton at peak boll load uses 200–250 kg/ha to maintain both fibre development (K) and protein synthesis (N).
FAQ
When is NK 21-21 preferred over NK 15-15?
On high-yield potential fields (>8 t/ha wheat, >4 t/ha cotton) where mid-season N and K demand exceeds what 15-15 can supply without excessive application bulk.
Can NK 21-21 be split-applied?
Yes. Two applications of 100 kg/ha each — at stem extension and flag leaf — improve N recovery compared to single large dose, especially on sandy soils prone to leaching.
Is NK 21-21 suitable for sugarcane?
For grand growth phase, yes. Apply 200–250 kg/ha when cane height reaches 1.2–1.5 m. The equal N:K ratio supports both stalk elongation and sucrose accumulation.