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02
Aug

Harvesting of transplanted hybrid rice

1.Taking the average duration of the crop as an indication, drain the water from the field 7 to 10 days before the expected harvest date as draining hastens maturity and improves harvesting conditions.

2. When 80% of the panicles turn straw colour, the crop is ready for harvest. Even at this stage, the leaves of some of the varieties may remain green.

3. Confirm maturity by selecting the most mature tiller and dehusk a few grains. If the rice is clear and firm, it is in hard dou

02
Aug

Precautions for irrigation in transplanted hybrid rice

The field plot can be 25 to 50 cents depending on the source of irrigation.

  • Field to field irrigation should be avoided. Field should be irrigated individually from a channel.
  • Small bund may be formed parallel to the main bund of the field at a distance of 30 to 45cm within the field to avoid leakages of water through main bund crevices.
  • To minimize percolation loss, the depth of stagnated water should be 5cm or less.
  • In water logged condition, form open dra
02
Aug

Water management in transplanted hybrid rice

1. Puddling and leveling minimizes the water requirement.

2. Plough with tractor drawn cage wheel to reduce percolation losses and to save water requirement up to 20%.

3. Maintain 2.5cm of water over the puddle and allow the green manure to decompose for a minimum of 7 days in the case of less fibrous plants like sunnhemp and 15 days for more fibrous green manure plants like Kolinchi (Tephrosia purpurea).

4. At the time of transplanting, a shallow depth of 2cm of water is

02
Aug

Weed management in transplanted hybrid rice

1. Use of rotary weeder from 15 DAT at 10 days interval. It saves labour for weeding, aerates the soil and root zone, prolongs the root activity, and improves the grain filling though efficient translocation and ultimately the grain yield.

2. Cultural practices like dual cropping of rice-azolla, and rice-green manure (described in wet seeded rice section 2.5 & 2.6 of this chapter) reduces the weed infestation to a greater extent.

3. Summer ploughing and cultivation of irrigat

02
Aug

Transplanted hybrid rice

Seed rate - 20 kg per hectare

Nursery:

1. Basal application of DAP at 2 kg/cent of nursery area. Sparse sowing of seeds at one kg/cent of nursery area will give robust seedlings with 1-2 tillers per seedling at the time of planting.

2. If the soil is heavy, apply 4 kg gypsum/cent of nursery area, 10 days before pulling of seedlings. Age of seedling -20 to 25 days.

3. Spacing (cm)-20 x 10 (50 hills/m2) or 25 x 10 (40 hills/m2) according to soil fertility Seedlings/ hill

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