- Address : Bathalagoda, Ibbagamuwa, Sri Lanka
- E- Mail : rrdi@doa.gov.lk
- Telephone : +94 372 258561
- Fax : +94 372 259881
Rice-the staple food-Crop Establishment
Wet-bed Method
Nursery
Nursery location
- Develop in a part of the same field that crops will be grown.
- total seed bed area is about 1/10 of the area to be transplanted.
- nursery site should not be in a shady place
Construction of the seed bed
- Soil is well puddled and leveled before nursery establishment.
- Drainage canals are constructed between seed beds for proper water management.
- Decomposed organic manure and basal inorganic fertilizer dressing is added
- facilitates easy uprooting of seedlings.
- increases seedling vigor.
Nursery maintanance
- Maintained in a moist condition for about 5 days.
- free from weeds, pests and diseases.
- without nutrient deficiencies.
Seed Paddy
Requirement
- About 50 kg per Ha.
- Seed rate is adjusted for small grain varieties.
Seed prepraration
- Soaked for a minimum of 24 hours (using clean water).
- Incubated for about 48 hours (in a warm dry place).
Nursery establishment
- Nursery is drained well before seed sowing.
- Pre-germinated seeds are broadcasted uniformly over the seed bed.
- Once the seedlings are established,
- nursery is impounded with water.
- water level is raised gradually.
- Seedlings are kept for about 12-21 days (depending on the age class of the variety).
Wet-bed nurseries assure rapid seedling growth and allow easy uprooting of seedlings.