0761- Sri Lankan farmer-based research presentation on SRI
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Research Details Season 2007 YALA Variety BG-300 Duration 3.5 months
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0761- Sri Lankan farmer-based research presentation on SRI
- 1. Farmer-Based Research Season 2007 YALA Variety BG-300 Duration 3.5 months
- 2. Location at Warakapola Famer: W.K. SENARATHNA METHODS: 1 SRI 2 Direct seeding 3 Normal broadcasting 4 Normal transplanting
- 3. PLOT STRUCTURE FOR STUDY Plot 1st row T1 2nd row T2 3rd row T3 1 Direct Seeding Normal Broadcasting SRI 2 SRI Normal Transplanting Direct Seeding 3 Normal Broadcasting Direct Seeding Normal Transplanting 4 Normal Transplanting SRI Normal Broadcasting
- 4. GROWTH: ROOTS Growth rates were measured three times with the below results: 1st counting @ 4 WEEKS (length cm) 2nd counting @ 6 WEEKS (length cm) 3rd counting @ 8 WEEKS (length cm) SRI 18.75 21.25 27 Direct Seeding 15 18.75 28 Normal Transplanting 10 23.75 26 Normal Broadcasting 8.75 18.75 21
- 6. GROWTH: PLANT HEIGHT 1st counting @ 4 WEEKS (length cm) 2nd counting @ 6 WEEKS (length cm) 3rd counting @ 8 WEEKS (length cm) SRI 42.5 54 65 Direct Seeding 32.5 58 80 Normal Transplanting 22.5 50 64 Normal Broadcasting 32.5 58 69
- 7. GROWTH: PLANT HEIGHT 0 10 20 30 40 50 60 70 80 90 4 WEEK 6 WEEK 8 WEEK SRI RS NT NBC
- 8. GROWTH: TILLERS PER PLANT 1st counting @ 4 WEEKS (length cm) 2nd counting @ 6 WEEKS (length cm) 3rd counting @ 8 WEEKS (length cm) SRI 2 5 12 Direct Seeding 2 3 8 Normal Transplanting 2 8 6 Normal Broadcasting 2 2 2
- 9. GROWTH: TILLERS PER PLANT 0 2 4 6 8 10 12 14 4 WEEK 6 WEEK 8 WEEK SRI RS NT NBC
- 10. SEEDS PER PANICLE SRI NUMBER OF PANICLES TOTAL- ALL 3 AVERAGE PER PANICLE LONG 3 690 230 MEDIUM 3 405 135 SHORT 3 302 101 Total Seeds per panicle 466 Overall average - SRI 155 DIRECT SEEDING LONG 3 535 178 MEDIUM 3 222 74 SHORT 3 166 55 Total Seeds per panicle 307 Overall average – Direct Seeding 102
- 11. SEEDS PER PANICLE NORMAL TRANSPLANTING NUMBER OF PANICLES TOTAL- ALL 3 AVERAGE PER PANICLE LONG 3 386 129 MEDIUM 3 307 102 SHORT 3 282 94 Total Seeds per panicle 325 Overall average – Normal Transplanting 108 NORMAL BROADCASTING LONG 3 441 147 MEDIUM 3 283 94 SHORT 3 113 38 Total Seeds per panicle 279 Overall average – Normal Broadcasting 93
- 12. SEEDS PER PANICLE: SUMMARY FINAL (Average number of seeds per panicle) SRI 155 DS 102 NT 108 NBC 93
- 13. SUCCESSFUL TILLERS WITH GRAIN Panicles per m2 SRI 260 DS 258 NT 319 NBC 363
- 14. SUCCESSFUL TILLERS WITH GRAIN 0 50 100 150 200 250 300 350 400 pin: per sq m: SRI RS NT NBC
- 15. HARVEST PER SQ METER PER gm 0 100 200 300 400 500 600 700 800 1 NBC NT RS SRI HARVEST PER SQUARE METRE (GRAMS)
- 16. VARIATIONS IN HARVESTS BETWEEN DIFFERENT PLOTS (GRAMS PER SQUARE METRE) -- NORMAL BROADCASTING 400 420 440 460 480 500 520 540 1 NBC 1 NBC 2 NBC 3,
- 17. VARIATIONS IN HARVESTS BETWEEN DIFFERENT PLOTS (GRAMS PER SQUARE METRE) – NORMAL TRANSPLANTING 570 580 590 600 610 620 630 1 NT 1 NT 2 NT 3
- 18. VARIATIONS IN HARVESTS BETWEEN DIFFERENT PLOTS (GRAMS PER SQUARE METRE) – DIRECT SEEDING 540 560 580 600 620 640 660 680 1 RS1 RS2 RS3
- 19. VARIATIONS IN HARVESTS BETWEEN DIFFERENT PLOTS (GRAMS PER SQUARE METRE) – SRI 0 100 200 300 400 500 600 700 800 900 1 SRI1 SRI2 SRI3
- 20. VARIATIONS IN HARVESTS BETWEEN DIFFERENT PLOTS (KILOGRAMS PER 5 SQUARE METRES) NBC NT RS SRI 0 5 10 15 20 25 1 Totalkgs
- 21. Thank you