- Address : Bathalagoda, Ibbagamuwa, Sri Lanka
- E- Mail : rrdi@doa.gov.lk
- Telephone : +94 372 258561
- Fax : +94 372 259881
Rice In Sri Lanka - Fertilizer recommendation according to leaf color index value
Intermediate Zone and Dry zone (for paddy fields cultivated under irrigated conditions)
| Leaf colour index value | Age (weeks) | |||
| 2 | 4 | 6 | 8 | |
| Amount of urea per acre /kg | ||||
| < 3 | 10 | 40 | 22 | 15 |
| < 4 | 7.5 | |||