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Package of Practices
  • A compendium of state specific and location specific recommended package of practices are provided under this head. You may be interested to see that, thanks to our IP based customisation, that only your state (the state from where you are accessing RKMP) specific information is available.
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22
Aug

Water management

Water Management in the main field is as follows: • A thin film of water is to be maintained for initial 30 days and the water level is to be increased to 4-5 cm later when the crop reaches at maximum tillering (MT) stage. • Water is to be drained for 4-5 days after MT stage so that emergence of late tillers can be suppressed. • Complete draining out of water is to be done at 10 days before harvest.
22
Aug

Nutrient management

Nutrient Management in the main field follows: • A recommended dose of 5 t FYM ha-1 is to be applied at 2 weeks before transplanting. • Fertilizers are to be applied at 80:40:40 (kharif) and 150:75:75 (boro) kg ha-1, giving 25 % N, full dose of P2O5 & 75% K2O as basal at the day before transplanting. • 50% N in is to be applied at tillering and the remaining 25% N & 25% K2O at panicle initiation stage.
22
Aug

Weed management

Weeds management in the main field is done by the following steps:

• Butachlor @ 2.5-3.0 kg is to be mixed with 50-70 kg of sand and applied in 1 ha at 5-6 days after transplanting (DAT).

• A uniform level of 2 cm depth of water is to be ensured in the field for 3-4 days.

• Need based hand weeding is recommended to ensure healthy crop.

22
Aug

Transplanting

The following steps should be practised for transplanting: • The main field is to be prepared thoroughly by repeated ploughing followed by puddling and well-levelled after basal fertilization. • 22-25 (kharif) & 30-35 (boro) days’ old seedlings (4-leaf stage) are to be transplanted using 1-2 seedlings hill-1 . • The spacing between seedlings should be 20 cm x 10 cm or 15 cm x 15 cm spacing. • About 2-3 cm depth should be maintained to ensure a plant population of 40-50 hills sqm.-1 area. • SRI method can also be followed.
22
Aug

Main Field Management

After nursery management, the main field has to be prepared and managed for the proper growth of the crop. In this process the following steps are followed: 1. Transplanting 2. Weed management 3. Nutrient management 4. Water management 5. Disease management 6. Insect management 7 Harvesting & Threshing
22
Aug

Nursery Management

As the cost of hybrid seed is higher, proper nursery management is very important to economize the cost for seed material, which is to be purchased afresh every season. Sequential steps to be followed in Nursery Management of Hybrid Rice: a) Nursery preparation: Wet beds of 1 m width & of convenient length with good drainage facility should be prepared. For 100 m2 nursery area, 250 kg FYM, 0.5 kg N, 0.5 kg P2O5 & 0.5 kg K2O should be applied. b) Seed rate: A seed rate of 15-20 kg ha-1 is recommended for hybrid as compared to 40-50 kg ha-1 for HYVs. c) Seed soaking: An amount of 15-20 kg hybrid seed is to be soaked for 12-15 hours to plant 1 ha of main field. d) Seed treatment: Pre-soaked seeds are to be treated with carbendazim 50% WP at the rate of 4 g kg-1 seed. e) Seed incubation: Seeds are to be incubated in gunny bags for 1-2 days for better sprouting. f) Seed sowing: The sprouted seeds are to be sown sparsely and uniformly on well-prepared seed beds. Sparse sowing of hybrid seed at the rate of 20-30 g m-2 is recommended to obtain strong, healthy and multi-tillered seedlings in 20-25 days for planting. g) Nursery area: Total nursery area required for sowing 15-20 kg of seed is 750-1000 m2. h) Management: Thin film of water is to be maintained without allowing the beds to dry at anytime. The nursery beds of 100 m2 area are to be top dressed after 15 days after sowing (DAS) with 0.6-0.8 kg of N. Appropriate plant protection measures may be taken, if necessary.
22
Aug

Planting Season

Sowing of hybrid seed should be adjusted in such a way that the crop is not exposed to extremely high or low temperatures particularly at panicle initiation & flowering stages.

     

22
Aug

Agronomic Management for Hybrid Rice Cultivation in West Bengal

• Appropriate agronomic management is necessary for obtaining the potential yield of rice hybrid. • Management practices differ from location to location & from season to season depending on local conditions. • As the cost of hybrid seed is comparatively higher, it is very important to use the seed economically by following specialized nursery raising as well as planting & management techniques. • It is discussed under the heads viz. 1. planting season, 2. nursery management, 3. main field management, & 4. grain storage
22
Aug

Importance of Hybrid Cultivation in West Bengal

• Rice is the staple food for more than 70% of the Indians. • To meet the food demands for ever increasing population & to maintain self-sufficiency of rice, the present production level of 96 million tons (mt) needs to be increased to about 120 mt by the year 2020 in India. • Hybrid rice is one of the practically feasible & readily adoptable technologies to increase production & productivity of rice in the country. • Yield advantage of hybrids to the tune of 15-20% over the HYVs is well established.
14
Jul

Salient Features of Sahyadri 4 Hybrid Rice Variety for West Bengal

Salient Features of Sahyadri 4 Hybrid Rice Variety for West Bengal

Hybrid: Sahyadri 4

Duration (Days): 115-120

Parentage : IR 58025A / KJTR 4

Yield (t ha-1) : 5.70

Salient features: Early; semi-tall (94-110 cm); non-lodging & non-shattering; long slender grains with intermediate amylose (21%) & high ASV (7.0); high milling (71%) & HRR (58%)

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