0611 Present Status, Experience and Problems of SRI in Tripura State

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Presenter: Baharul Islam Majumdar

Audience: 1st National SRI Symposium Hyderabad

Subject Country: Tripura, India

Published in: Technology, Travel
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0611 Present Status, Experience and Problems of SRI in Tripura State

  1. 1. <ul><li>PRESENT STATUS, EXPERIENCE </li></ul><ul><li>AND PROBLEMS OF </li></ul><ul><li>SRI IN TRIPURA STATE </li></ul><ul><li>NATIONAL SYMPOSIUM ON SRI </li></ul><ul><li>17 and 18 th November’2006 </li></ul><ul><li>Hyderabad, India </li></ul><ul><li>Baharul Islam Majumdar </li></ul>
  2. 2. TRIPURA REQUIREMENTS OF FOODGRAINS BY 2010 8.22 36.44 2009-10 8.09 35.92 2008-09 7.98 35.40 2007-08 7.87 34.89 2006-07 Food Grain Requirement (Mt, in Lakhs) Projected Population (in Lakhs) Year
  3. 3. Strategy to Attain Self- Sufficiency <ul><li>Rice is regarded as the growth engine of the state economy </li></ul><ul><li>Crop management strategy = SRI </li></ul><ul><li>Varietal technology = Hybrid Rice </li></ul>
  4. 4. SRI Research Activities <ul><li>Initiated in the year 1999-2000, in the boro season by B. Majumdar </li></ul><ul><li>SRI adaptability evaluated under agro-climatic conditions of Tripura from 1999-2000 until 2001-02 (5 seasons covering both kharif and boro ) – high rainfall area (2500 mm ave. or more) </li></ul>
  5. 5. Demonstration and Training <ul><li>Demonstrations taken up in farmers’ fields from kharif season 2002-2003 </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 – 31,620 farmers @ 0.2 ha in kharif/aman season, </li></ul><ul><li>With target for boro/rabi season of 52,105 farmers (many are the same) </li></ul>
  6. 6. Area Coverage in Kharif, 2006-07, by districts 77.7% 6,324 8,140 Total 46.2% 961 2,080 North 187.8% 657* 350 Dhalai 82.9% 2,794 3,370 South 81.7% 1,912 2,340 West Percentage achieved Achievement in Ha Target in Ha District
  7. 7. Targets for Boro/Rabi Season 2006-07 (Area in Ha) 11,428 700 2123 8,605 Total 1,989 - 1119 870 North 850 - - 850 Dhalai 4,101 700 576 2,825 South 4,488 - 428 4,060 West Total Target for boro Additional requirement Spill- over from kharif Target District
  8. 8. NURSERY MANAGEMENT
  9. 9. SOIL 75% COW DUNG / FYM 20% RICE HULL / HUSK (BURNED) 5% SOIL+COW DUNG+RICE HULL / BURNED HUSK MIXTURE - 1.5 to 2 cm THICK LAYER ON TOP OF THE RAISED NURSERY BED
  10. 10. RAISED NURSERY BED
  11. 11. AFTER SOWING OF SPROUTED SEEDS, SEED BED SHALL BE COVERED BY THIN LAYER OF SOIL MIXTURE
  12. 12. NURSERY BED SHALL BE COVERED BY PADDY STRAW FOR 2 DAYS
  13. 13. INDIGENOUS KNOWLEDGE USED TO SAVE NURSERY FROM BIRDS
  14. 14. ITK TO SAVE NURSERY FROM BIRDS
  15. 15. CROSS SECTION OF NURSERY BED SOIL AND TOP LAYER OF MIXTURE OF SOIL + COW DUNG + RICE HULL
  16. 16. TRANSPLANTING <ul><li>Transplanting 8-12 days old seedling </li></ul><ul><li>Transplant seedlings within 30 minutes after uprooting from nursery bed without giving any transplanting shock to the seedlings </li></ul><ul><li>Root of the seedling shall not be bent upward like J, it shall be like L </li></ul><ul><li>One seedling per hill </li></ul>
  17. 17. 10-day-old Nursery
  18. 18. Seedling 10 days old
  19. 19. Careful transportation of seedlings to the main field
  20. 20. Uprooting of young seedlings without any trauma, and transplanting them into the main field within 30 minutes Method-I
  21. 21. Uprooting of young seedlings without any trauma and transplanting them in the main field within 30 minutes Method-II
  22. 22. Uprooting of young seedling without any trauma and transplanting themn the main field within 30 minutes – locally-devised method of transport Method-III
  23. 23. DEPTH OF TRANSPLANTING 1-2 cm only <ul><li>Differences in shape of roots after transplanting – should be like a J </li></ul><ul><li>J L </li></ul>
  24. 24. I I I I I I I I I I I Deeper transplanting significantly reduces the number of tillers Comparative photograph of 20 DAT plants
  25. 25. ONE SEEDLING PER HILL
  26. 27. Labour-intensive ?? necessary at first
  27. 28. SPACING <ul><li>25 x 25 cm row to row </li></ul><ul><li>and </li></ul><ul><li>25 x 25 cm plant to plant </li></ul>
  28. 29. LEVELLING OF THE MAIN FIELD
  29. 30. SPACING MAINTENANCE THROUGH LOW-COST DEVICE DEVELOPED BY FARMERS Husband-wife team developed this spacing implement made from bamboo
  30. 31. Principles of nutrient management <ul><li>Feed the soil to feed the plant, rather than feeding the plant. </li></ul><ul><li>Empower the soil biologically, by increasing the populations of micro-organisms in the soil </li></ul>
  31. 32. Nutrient Management <ul><li>Organic manure/ FYM / Oil cake </li></ul><ul><li>Green manure / Leaf Manure </li></ul><ul><li>Bio-Fertilizer </li></ul><ul><li>Compost / Vermicompost </li></ul><ul><li>Crop residue management / Paddy straw </li></ul><ul><li>25 % of present recommended dose of chemical fertilizer </li></ul><ul><li>No top dressing of chemical fertilizers at any stage of the crop </li></ul>
  32. 33. WATER MANAGEMENT Necessary under rainfed as well as irrigated conditions
  33. 34. No standing water at the time of transplanting. In muddy soil, space is left for drainage, with drain created during first weeding at 10-12 DAT
  34. 35. Drainage Channel in the Main Field
  35. 36. 12 days after irrigation / watering
  36. 37. Drainage channel -- 25 cm wide and 25 cm deep
  37. 38. 60 DAT -- 65 tillers per hill / per plant MTU 7029
  38. 39. 75 DAT 80 tillers per hill/ per plant MTU 7029 No standing water near the base of the plant, no hindrance to the aeration
  39. 40. NO STANDING WATER, NO HYPOXIC SOIL CONDITIONS
  40. 41. WEED MANAGEMENT <ul><li>Minimize any weed - crop competition </li></ul><ul><li>Maximize aerobic condition in the field </li></ul>
  41. 43. Weeding schedule: 3 weedings at an interval of 10 -12 days 1 st weeding shall be done 10-12 DAT
  42. 45. YIELD <ul><li>On an average, we are getting 2mt /ha more than the present system of farmers’ practice in the farmers’ fields under our Tripura conditions </li></ul>
  43. 46. YIELD CONTRIBUTING FACTORS: <ul><li>NUMBER OF TILLERS PER PLANT </li></ul><ul><li>NUMBER OF PANICLES PER PLANT </li></ul><ul><li>NUMBER OF GRAINS PER PANICLE </li></ul><ul><li>LENGTH OF PANICLES </li></ul><ul><li>NUMBER OF FILLED GRAINS PER PANICLE </li></ul>
  44. 48. Counting of tillers by the farmer
  45. 49. Variety : Pooja
  46. 50. Variety : Pooja
  47. 52. Variety-wise Yield 30 5.8 - 6.25 3.75 - 4.25 Swati 46 4.8 - 5.4 3.0 - 3.5 Satabdi 134 6.4 - 6.8 3.8 - 4.5 Krishna Hamsha 37 5.5 - 6.2 3.4 - 3.8 Joya No. of demos in farmers’ fields (0.40 ha) Average yield: SRI method (t/ha) Average yield: conv. method (t/ha) HYV
  48. 53. 124 7.4 - 8.2 4.8 - 5.2 POOJA 64 4.6 - 5.0 2.5 - 3.0 NDR 97 73 6.5 - 7.2 4.3 - 5.2 NDR 359 183 7.2 - 8.5 4.5 - 5.5 MTU7029 192 7.2 - 7.6 4.5 - 5.0 IR 64 No. of demos in farmers’ fields (0.40 ha) Average yield: SRI method (t/ha) Average yield: conv. method (t/ha) HYV
  49. 54. HYBRIDS VARIETIES 15 7.2 - 7.8 6.2 - 6.8 SHEYADRI 28 8.1 - 8.5 6.5 - 7.0 PHB 71 35 8.2 - 8.7 6.5 - 7.0 KRH-2 19 7.6 - 8.1 6.0 - 6.5 DRRH-1 No. of demos in farmers’ fields (0.40 ha) Average yield: SRI method (t/ha) Average yield: conv. method (t/ha) HYBRID
  50. 55. Variety-wise Yields with SRI 12 3.1 - 3.4 1.5 - 2.0 Local scented varieties 37 3.8 - 4.3 2.0 - 3.0 Local varieties No. of demos in farmers’ fields (0.40 ha) Average yield: SRI method (t/ha) Average yield: conv. method (t/ha) Local
  51. 56. PROBLEMS <ul><li>Weeding* </li></ul><ul><li>Water control* </li></ul><ul><li>Labour intensity* </li></ul><ul><li>Sustainable soil fertility management ??? </li></ul>
  52. 61. <ul><li>THANK </li></ul><ul><li>YOU </li></ul><ul><li>ALL </li></ul><ul><li>SIR </li></ul>

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