Fertilizer Requirement Calculator.

Tobula Veja

Lawn fertilizer demand calculator (NPK)

Recommended NPK rates for the entire season:

Nitrogen (N) 2.0 kg
Phosphorus (P) 0.7 kg
Potassium (K) 1.0 kg
Maximum nitrogen (N) per fertilization – 0.60 kg

Recommended fertilization plan (pure elements):

Time / NPK ratio
N (kg)
P (kg)
K (kg)
1. April
(NPK 2,5:1:1)
0.60
0.25
0.25
2. June
(NPK 5:1:1)
0.50
0.10
0.15
3. August
(NPK 3:1:1,2)
0.60
0.20
0.25
4. October
(NPK 2:1:2,3)
0.30
0.15
0.35

*calculations are based on an annual NPK rate for 1 are (100 m²) of lawn: 2 kg N, 0.7 kg P, and 1 kg K.