Field Trip Report – Group II October 5, 2007 Chairman: Dr. L.G. Giri Rao Rapporteur: Dr. R....
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Transcript of Field Trip Report – Group II October 5, 2007 Chairman: Dr. L.G. Giri Rao Rapporteur: Dr. R....
Field Trip Report – Group IIOctober 5, 2007
Chairman: Dr. L.G. Giri Rao
Rapporteur: Dr. R. Rajendran
Liaison Officer: Mr. Ashish Saha
Co-ordinator: Mr. Chakraborthy
Officer – in- charge: Mr. P.K. Datta
No. of delegates participating 50
Villages covered 3
Farmers participating 35
Farmers interviewed 5
S.No.
Villages Location Farmer interviewed
1 Bagabasa GP Melaghar RD Block, West Tripura
Mr. Vallab Debnath
2 Sonapur Bosh Nagar
RD Block,
West Tripura
Mr. Chowdhary
3 Indiranagar Melaghar RD Block, West Tripura
Mr. Amirthalal Das
Visitors received an overwhelming
reception
Farmer experiences: Mr. Vallab Debnath
In local govt area, 40 ha planted with SRI
• Practices under SRI:
Seed rate – 2 kg/ac (conv. 20-25 kg/ac)
Compost - 3 t/ac, NPK – 40 kg/ha (conv. applic. 70 kg/ac)
8-10 day, single seedlings, gap-filling
Water management – AWD
Yield – 30-35 mond/kani (3 t/ac)
Field observations :
Bagabasa Gram Panchayat area
• Swarna Mashuri and Pooja varieties
• Square planting, 22 – 25 cm
• Tillers per plant 25- 35 (ave. 30)
• Water stagnation by rain but draining
• First hand weeding by rotary weeder
2. Mr. Chowdhary (Sonapur)
Aman rice – planted with SRI methods
Seed rate – 2 kg/ac (conv. 25 kg/ac)
Seedling – single (conv . 5-6/hill), 10 d old seedlings (conv. 30 days)
NPK fertilizer – 65 kg/ac (conv. 175 kg/ac)
Three rotary weedings – 12, 24 and 36 DAT (conv. 2 hand weedings); AWD irrigation
No lodging; reach maturity 5-7 days earlier, but pest attack is more in SRI
Paddy yield expected from present aman crop:
• 40 mond/kani - 3.8 t/ac (9.5 t/ha)
Constraints:
• Labour problem especially for weeding
• Time-bound operations
3. Mr. Amirthalal Das, Indhiranagar
10 d old seedlings, single seedlings, square planting, 25 x 25 cm spacing
Rice yield
40 panicles/hill, 38 mond/kani – 3.8 t/ac (conv. yield 1.8 t/ac -- 9.5 vs. 4.5 t/ha)
Yield >doubled; cost reduced; 15 days earlier maturity; low pest pressure; good grain filling; low chaff (few unfilled grains); maximum tillering; only labour is a problem
After the field visit, 6 presentations were made by delegates
S.No
Name of delegate Topic
1 Dr. V. Ravindra Babu, DRR, Hyderabad
Grain quality assessment in SRI• BPT 5204, DRRH-2, Swarna• Eco-SRI, SRI and Traditional• Only varietal difference in grain quality• No influence by management effect except few parameter, viz., amylose content• Results need to be confirmed
S.No Name of delegate
Topic
2 Dr. K. Surekha, DRR, Hyderabad
Nutrient uptake and soil mining study in SRI• Low NUE and yield in Eco-SRI• SRI & conventional NPK uptake on par• SRI & conventional yields -- no difference• No soil depletion after 2 seasons of SRI• No clear varietal difference exists on NUE• Soil-available K more in Eco- SRI • Results need to be confirmed
S.No Name of delegate
Topic
3 Dr. K. Karthikeyan, Kerala
Pest incidence in SRI• Jyothi & KRH–2 evaluated• Stem borer moderate level • Rice blue beetle - more under SRI • Leaf folder and whorl maggot reduced in SRI• Increased activity of natural enemies, viz., spiders and larval parasites• Only one season of data, results need to be confirmed
S.No Name of delegate
Topic
4 Dr. G. Ravi, TNAU, Tamil Nadu
SRI and IPM • Stem borer, BPH, whorl maggot, gall midge reduced under SRI • Only leaf folder is more under SRI• Increased activity of predatory spiders• IPM fits very well with SRI
S.No Name of delegate
Topic
5 Sardar Iqbal Singh, Farmer, J & K
Used marker, 25x25 cm spacing, 15 d seedlings, pulling out of nursery very easy, conventional method laborious, AWD irrigation, full NPK applied, cono weeder 20th day
Variety: PC 19
35-55 tillers/hill
Ave. yield: 4.5 to 5.0 t/ha
S.No Name of delegate
Topic
6 Mr. Gopal Swaminathan
Agricultural graduate cum farmer
Shared his experiences on:
Double transplanting technique with SRI to mitigate extremely hot climate in Cauvery Delta
Innovative method of planting rice on ridges (direct seeding) in ridge-furrow system
Field study ….
Serious discussions going on …..
Field view & view of rotary weeder in Bagabasa village
Field study ….
Seeing the difference
between SRI & conventional
practice