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31
Jul

Fertilizer Application for Hybrid rice Production

 

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
31
Jul

Fertilizer Application for Hybrid rice Production

 

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
31
Jul

Transplanting for Hybrid rice Production

 

1. Uproot seedlings and dip the roots of the seedlings in Chlorpyriphos solution @ 1 ml / litre of water, overnight before transplanting.

2. Transplant 25 to 30 days old seedlings erect at a shallow depth of 2 to 3 cm on puddled and levelled land (with no standing water) @ one seedlings/hill with a spacing of 20 cm (row-to-row) and 10 cm (plant-to-plant). Rows should preferably be in the north-south direction.

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
31
Jul

Land Preparation for Hybrid rice Production

 

1. Irrigated medium land with drainage facility is suitable for grow-ing hybrid rice.

2. Apply and incorporate 5 t/ha of FYM/compost during the dry ploughing.

3. Irrigate the field and puddle 7 to 10 days before transplanting to incorporate the weeds, if any.

4. Puddle the land again, and level it by laddering prior to transplanting.

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
31
Jul

Nursery Management for Hybrid rice Production

 

1. Irrigate with a thin film of water two to three days after sowing of sprouted seeds.

2. Give light irrigation afterwards. $ After 15 days of seedling growth, apply Carbofuran (Furadan 3G) @ 250 g/100 m2 of nursery.

3. Keep the nursery weed-free.

File Courtesy: 
CRRI
Photo Courtesy: 
Mr. Chaitanya, DRR
30
Jul

Main field preparation for transplanted puddled lowland rice

Land preparation:                                                                                                                                                                     &nbsp

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
http://agritech.tnau.ac.in/agriculture/agri_cropproduction_cereals_rice_tranpudlow.html
30
Jul

Seed Treatment for Hybrid rice Production

 

1. Treat the seeds with Carbendazim (Bavistin) @2 g/kg of dry seeds after soaking in water for 24 hours.

2. Spread the treated seeds on a hard floor under shade. Cover with wet gunny bag and straw and sprinkle water 2-3 times a day. Seeds will sprout in one to two days.

Time and Method of Sowing for Hybrid rice Production:

1. The right time for sowing seeds is mid-June for wet season and early December for dry season.

File Courtesy: 
CRRI
Photo Courtesy: 
Dr.R.M. Kumar (DRR)
30
Jul

Dry nursery for transplanted puddled lowland rice

1. Dry ploughed field with fine tilth is required.                  

2. Nursery area with sand and loamy soil status is more suitable for this type of nursery.

3. Area 20cents.

4. Plots of 1 to 1.5 m width of beds and channels may be formed. Length may be according to the slope and soil. Raised beds are more ideal if the soil is clayey in nature.

5. Seed rate and seed treatment as that of wet nursery.

File Courtesy: 
TNRRI, Aduthurai
Photo Courtesy: 
Dr. R. M. Kumar
30
Jul

Selection of Seeds for Hybrid rice Production

 

1. Use faithfully labelled hybrid seeds.

2. As hybrid seeds are light, never use salt solution for discarding light and half-filled grains before sowing.

3. These grains normally have good germination .

4. Twelve kg to 15 kg of hybrid rice seeds are required to transplant inone hectare of land.

File Courtesy: 
CRRI
Photo Courtesy: 
Dr.R.M. Kumar (DRR)
30
Jul

Nursery Bed Preparation for Hybrid Rice Production

 

1. Plough the seed bed area twice when the land is dry. Impound water for four to five days. Drain excess water. Puddle the area twice or thrice. Level it by laddering.

2. Prepare raised and levelled wet nursery beds of 1 m width with provision of drains of 30 cm width between the beds.

File Courtesy: 
CRRI
Photo Courtesy: 
CRRI
30
Jul

Suitable Hybrids for Orissa

 

1. Rice hybrids perform better in dry season than in wet season.

2. Choose location specific suitable rice hybrids.

3. Procure fresh hybrid seeds, each time only from approved seed agencies before raising the crop.

For Orissa use hybrids Ajay, Rajalaxmi, KRH 2 and Sahyadri.

30
Jul

Cropping/farming Systems of deep water rice

1. Rice + mungbean in Bihar. Grow both crops in March-April.Harvest mungbean before flooding in June.

2. The stem and leaves of mungbean leftover in the field provides nutrition to rice.

3. Rice-fish integrated farming system in Orissa, Assam and West Bengal.

4. Rice + sesamum + mungbean + fodder maize in Bihar.

File Courtesy: 
CRRI
30
Jul

Insect Management in deep water rice

1. Spraying for control of pests is not feasible. Use of biocontrol is preferable.

2. Release of Trichogramma japonica, an egg parasite @ 50,000 numbers/ha is recommended for control of stem borer, the major pest of deepwater rice before flowering.

3. In case the water recedes early during flowering, apply Monocrotophos @ 0.5 kg ai/ha on the basis of ETL (one moth/m2) to control stem borer.

File Courtesy: 
CRRI
30
Jul

Insect Management in deep water rice

1. Spraying for control of pests is not feasible. Use of biocontrol is preferable.

2. Release of Trichogramma japonica, an egg parasite @ 50,000 numbers/ha is recommended for control of stem borer, the major pest of deepwater rice before flowering.

3. In case the water recedes early during flowering, apply Monocrotophos @ 0.5 kg ai/ha on the basis of ETL (one moth/m2) to control stem borer.

File Courtesy: 
CRRI
30
Jul

Nutrient management in wet nursery

1. Apply 1tonne of fully decomposed FYM or compost to 20cents nursery and spread the manure uniformly on dry soil.

2. Basal application of DAP is recommended when the seedlings are to be pulled out in 20-25 days after sowing in less fertile nursery soils.

3. For that situation, before the last puddling, apply 40kg of DAP and if not readily available, apply straight fertilizers 16kg of urea and 120kg of super phosphate.

4. If seedlings are to be pulled out after 25 days, application of DAP is to be done 10 days prior to pulling out.

File Courtesy: 
TNRRI, Aduthurai
30
Jul

Disease and Weed Management in deep water rice

Disease Management :

1. For controlling sheath rot disease soak the seed in 0.05% to 0.1% Bavistin for 30 minutes before sowing.

2. After raising the crop, mini-mize the disease by foliar spray of 0.05% to 0.1% Bavistin, 0.4% Dithane M-45, or 0.1% Hinosan.

Weed Management :

1. The rice fields should be free from grass weeds, decayed stubbles and aquatic weeds.

2. Off-season tillage in January and summer ploughing in March with tractor-drawn cultivator controls most of the grassy weeds.

File Courtesy: 
CRRI
30
Jul

Disease and Weed Management in deep water rice

Disease Management :

1. For controlling sheath rot disease soak the seed in 0.05% to 0.1% Bavistin for 30 minutes before sowing.

2. After raising the crop, mini-mize the disease by foliar spray of 0.05% to 0.1% Bavistin, 0.4% Dithane M-45, or 0.1% Hinosan.

Weed Management :

1. The rice fields should be free from grass weeds, decayed stubbles and aquatic weeds.

2. Off-season tillage in January and summer ploughing in March with tractor-drawn cultivator controls most of the grassy weeds.

File Courtesy: 
CRRI
30
Jul

Sowing of sprouted seeds in wet nursery

Sow the sprouted seeds uniformly on the seedbed, having thin film of water in the nursery.

Water Management :

1. Drain the water 18 to 24hrs after sowing.

2. Care must be taken to avoid stagnation of water in any part of the seedbed.

3. Allow enough water to saturate the soil from 3rd to 5th day. From 5th day onwards, increase the water depth to 1.5cm depending on the height of the seedlings.

4. Thereafter maintain 2.5cm depth of water.

Weed Management :

File Courtesy: 
TNRRI, Aduthurai
30
Jul

Forming seedbeds for wet nursery

1. Mark plots of 2.5m breadth with channels 30cm wide all around the seedbeds.

2. Length of the seed bed may vary from 8 to 10m according to soil and slope of the land.

3. Collect the puddled soil from the channel and spread on the seedbeds or drag a heavy stone along the channel to lower it, so that the seed bed is at a higher level.

4. Level the surface of the seedbed, so that the water drains into the channel

File Courtesy: 
TNRRI, Aduthurai
30
Jul

Fertilizer Management in of deep water rice

1. Basal application of nutrients especially N and P is indispensible for providing the desired vigour to the crop plants helps in faster elongation, and thus helps in withstanding submergence.

2. Apply NPK @ 40 : 20 : 20 kg/ha. 3. Apply 20 kg N and all the PK in seed furrows with farmyard ma¬nure (FYM) @ 5 t/ha at sowing, and the remaining 20 kg N as top-dressing before flooding to improve the yield

File Courtesy: 
CRRI
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