Mature rubber (above 10 years) needs about 500 kg RU 12:14:14 and 850 kg RSA 7:9:9:3 per hectare per year, split into 2 applications.
Mature rubber (above 10 years) needs about 500 kg RU 12:14:14 and 850 kg RSA 7:9:9:3 per hectare per year, split into 2 applications.
| Age of tree (years) | RU 12:14:14 (kg/ha) | RSA 7:9:9:3 (kg/ha) | Frequency |
|---|---|---|---|
| 1st | 150 | 250 | Once every 3 months |
| 2nd | 300 | 500 | Once every 3 months |
| 3rd | 450 | 750 | Once every 4 months |
| 4th | 450 | 750 | Once every 4 months |
| 5th year until tapping | 600 | 1,000 | Once every 4 months |
| 5th year onwards | 600 | 1,000 | Once every 6 months |
About our rubber fertilizers:
| Nutrient | Symptoms | Correction |
|---|---|---|
| Nitrogen | Pale green leaves, reduced growth, small leaves | Nitrogen rich blended fertilizer |
| Potassium | Yellowing and scorching on leaf margins | Apply MOP |
Pests and diseases: Erinna (leaf caterpillar), Tukra (planthopper), root weevil, scale insects; powdery mildew, collar rot, brown bast.
Message your crop, plant age, and location and we will reply with a plan you can act on.