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0717 System of Rice Intensification: Experiences in Tripura

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0717 System of Rice Intensification: Experiences in Tripura

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Presenter: G.S.G. Ayyangar

Audience:2nd National SRI Symposium, Agartala, India

Subject Country: Tripura, India

Presenter: G.S.G. Ayyangar

Audience:2nd National SRI Symposium, Agartala, India

Subject Country: Tripura, India

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0717 System of Rice Intensification: Experiences in Tripura

  1. 1. SRI EXPERIENCES IN TRIPURA DR. G.S.G. AYYANGAR COMMISSIONER & SECRETARY, AGRICULTURE GOVERNMENT OF TRIPURA
  2. 2. AGRICULTURE IN TRIPURA <ul><li>Agriculture with its allied sectors is the backbone of the State’s economy. </li></ul><ul><li>Rice is the staple food of this State. </li></ul><ul><li>There are two parallel farming systems – upland (including jhum ) and wet rice cultivation situation. </li></ul><ul><li>At present, the State is running deficit in foodgrains production. </li></ul>
  3. 3. Perspective Plan for Self-Sufficiency <ul><li>The State Government formulated in 1999-2000 a Perspective Plan for achieving self-sufficiency in foodgrains. </li></ul>
  4. 4. REQUIREMENT OF FOODGRAINS BY 2010 Year Projected population (in lakhs) Foodgrains requirement (in lakhs tons) 2007-08 35.40 7.98 2008-09 35.92 8.09 2009-10 36.44 8.22
  5. 5. STRATEGY FOR ENHANCEMENT OF CROP PRODUCTION <ul><li>Supply of certified seeds to the farmers </li></ul><ul><li>Balanced use of fertilizers </li></ul><ul><li>Improvement in irrigation water use efficiency </li></ul><ul><li>Improvement of cultural practices (SRI , hybrid varieties) </li></ul>
  6. 6. STRATEGY (contd..) <ul><li>Adequate flow of credit </li></ul><ul><li>Gearing up of extension activities </li></ul><ul><li>Ensuring people’s participation through Panchayati Raj institutions </li></ul>
  7. 7. AGRICULTURAL MECHANIZATION <ul><li>Encouraging farmers for more use of agriculture implements </li></ul>
  8. 8. SEEDS <ul><li>SEED PLAN: </li></ul><ul><li>Thrust given for certified seed production through Seed Village concept. </li></ul><ul><li>SRR increased from 2.8% in 1999-00 to an optimum level of 33% in 2006-07. </li></ul><ul><li>Hybrid paddy seed production in farmers’ fields and Govt. farms. </li></ul>
  9. 9. SEEDS ( CONTD ..) <ul><li>Self-sufficient in certified seeds for HYV paddy, rape & mustard. </li></ul><ul><li>Surplus paddy seeds are marketed through NSC . </li></ul><ul><li>Pulse & Oilseed seed production in farmers’ fields through Seed Village concept is progressing. </li></ul>
  10. 10. FERTILIZERS <ul><li>Per-hectare use of NPK has been increased from 25 kg (1990-00) to 47 kg (2006-07). </li></ul>
  11. 11. Why SRI ? <ul><li>In spite of all efforts, however, productivity of rice hovers around 2.5 tons/ha. To achieve the goal of self-sufficiency, we need to increase the productivity to at least the level of 3 ton/ha. </li></ul><ul><li>To attain a breakthrough and increase in rice productivity significantly, SRI method are being tried in farmers’ fields. </li></ul>
  12. 12. Research activities on SRI <ul><li>Initiated in the year 1999-00 in boro season </li></ul><ul><li>Evaluated the adaptability under Tripura conditions for 5 seasons, until 2001-02, covering both kharif (aman) and rabi (boro). </li></ul><ul><li>Results were encouraging, prompting the Government to extend its support. </li></ul>
  13. 13. Large-scale SRI Demonstration <ul><li>The Department initiated a large-scale SRI demonstration programme in farmers’ field during 2005-06 with a target of 16,000 hectares, of which 14,876 hectares was achieved, covering more than 74,000 farmers of Tripura state. </li></ul><ul><li>The Department provided assistance to farmers @ Rs.4,500/ha for popularization of SRI. </li></ul>
  14. 14. Demonstration and Training <ul><li>Demonstration in farmers’ fields was taken up from the crop year 2002-03 Kharif </li></ul><ul><li>2002-03 – 44 farmers @ 0.2 ha </li></ul><ul><li>2003-04 – 88 farmers @ 0.2 ha </li></ul><ul><li>2004-05 – 440 farmers @ 0.4 ha </li></ul><ul><li>2005-06 – 880 farmers @ 0.4 ha </li></ul><ul><li>2006-07 – > 74,000 farmers @ 0.2 ha </li></ul>
  15. 15. Farmers’ training <ul><li>Extensive training on SRI techniques was organized for farmers at village level and up to the district level throughout the state. </li></ul>
  16. 16. Uprooting of young seedling without any trauma and transplanting them into the main field within 30 minutes Method-I
  17. 17. Uprooting of young seedling without any trauma and transplanting them into the main field within 30 minutes (another method) Method-II
  18. 18. Uprooting of young seedling without any trauma and transplanting them into the main field within 30 minutes (still another method) Method-III
  19. 19. ONE SEEDLING PER HILL
  20. 21. SPACING MAINTAINED THROUGH LOW-COST DEVICE DEVELOPED BY FARMERS THEMSELVES
  21. 22. WATER MANAGEMENT SRI success is possible under rainfed as well as irrigated conditions
  22. 23. No standing water at the time of transplantation. In muddy soil, spacing of the drainage left as it is, and a drain is then created during the first weeding at 10-12 DAT
  23. 24. Drainage channel in the main fields
  24. 25. 12 days after irrigation / watering
  25. 26. Drainage channel of 25 cm. width and 25 cm depth
  26. 27. 60 DAT 65 tillers per hill / per plant (MTU 7029)
  27. 28. 75 DAT 80 tillers per hill / per plant (MTU 7029) No standing water near the base of the plant, so no hindrance in the aeration
  28. 29. WEED MANAGEMENT <ul><li>Minimizes weed - crop competition </li></ul><ul><li>Maximizes aerobic condition in the field </li></ul>
  29. 31. Weeding schedule: 3 weedings at intervals of 10 -12 days, 1 st weeding should be 10-12 DAT
  30. 33. YIELD <ul><li>On an average 2 ton/ha more harvested than the conventional system of farmers’ practice produces in the farmers’ fields. </li></ul>
  31. 34. Variety : Pooja
  32. 35. Variety-wise yields HYV Ave. yield: conventional methods (t/ha) Ave. yield: SRI methods (t/ha) No. of demos in farmers’ fields (0.4 ha) Joya 3.4 -3.8 5.5 -6.2 37 Krishna Hamsha 3.8 -4.5 6.4- 6.8 134 Satabdi 3.0-3.5 4.8 -5.4 46 Swati 3.75-4.25 5.8-6.25 30 (contd.)
  33. 36. Variety-wise yields HYV Ave. yield: conventional methods (t/ha) Ave. yield: SRI methods (t/ha) No. of demos in farmers’ fields (0.4 ha) IR 64 4.5-5.0 7.2-7.6 192 MTU7029 4.5-5.5 7.2 -8.5 183 NDR 359 4.3-5.2 6.5 -7.2 73 NDR 97 2.5-3.0 4.6-5.0 64 POOJA 4.8-5.2 7.4 -8.2 124
  34. 37. Variety : Pooja
  35. 38. Hybrid paddy with SRI HYBRID Ave. yield: conventional methods (t/ha) Ave. yield: SRI methods (t/ha) No. of demos in farmers’ fields (0.4 ha) DRRH-1 6.0-6.5 7.6-8.1 19 KRH-2 6.5-7.0 8.2-8.7 35 PHB 71 6.5-7.0 8.1-8.5 28 SHEYADRI 6.2-6.8 7.2-7.8 15
  36. 39. Local varieties with SRI Ave. yield: conventional methods (t/ha) Ave. yield: SRI methods (t/ha) No. of demos in farmers’ fields (0.4 ha) Local varieties 2.0-3.0 3.8-4.3 37 Local scented varieties 1.5-2.0 3.1 -3.4 12
  37. 40. <ul><li>THANK YOU </li></ul>

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