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Farmer-Based
Research
Season 2007
YALA Variety BG-300
Duration 3.5 months
Location at Warakapola
Famer: W.K. SENARATHNA
METHODS:
1 SRI
2 Direct seeding
3 Normal broadcasting
4 Normal transplanting
PLOT STRUCTURE FOR STUDY
Plot 1st row T1 2nd row T2 3rd row T3
1 Direct Seeding Normal Broadcasting SRI
2 SRI Normal Trans...
GROWTH: ROOTS
Growth rates were measured three times with the below results:
1st
counting
@ 4 WEEKS
(length cm)
2nd
counti...
GROWTH: ROOTS
GROWTH: PLANT HEIGHT
1st
counting
@ 4 WEEKS
(length cm)
2nd
counting
@ 6 WEEKS
(length cm)
3rd
counting
@ 8 WEEKS
(length ...
GROWTH: PLANT HEIGHT
0
10
20
30
40
50
60
70
80
90
4 WEEK 6 WEEK 8 WEEK
SRI
RS
NT
NBC
GROWTH: TILLERS PER PLANT
1st
counting
@ 4 WEEKS
(length cm)
2nd
counting
@ 6 WEEKS
(length cm)
3rd
counting
@ 8 WEEKS
(le...
GROWTH: TILLERS PER PLANT
0
2
4
6
8
10
12
14
4 WEEK 6 WEEK 8 WEEK
SRI
RS
NT
NBC
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
...
SEEDS PER PANICLE
NORMAL TRANSPLANTING
NUMBER OF
PANICLES TOTAL- ALL 3
AVERAGE
PER
PANICLE
LONG 3 386 129
MEDIUM 3 307 102...
SEEDS PER PANICLE: SUMMARY
FINAL (Average number of
seeds per panicle)
SRI 155
DS 102
NT 108
NBC 93
SUCCESSFUL TILLERS WITH GRAIN
Panicles per m2
SRI 260
DS 258
NT 319
NBC 363
SUCCESSFUL TILLERS WITH GRAIN
0
50
100
150
200
250
300
350
400
pin: per sq m:
SRI
RS
NT
NBC
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)
VARIATIONS IN HARVESTS BETWEEN DIFFERENT
PLOTS (GRAMS PER SQUARE METRE) --
NORMAL BROADCASTING
400
420
440
460
480
500
520...
VARIATIONS IN HARVESTS BETWEEN DIFFERENT
PLOTS (GRAMS PER SQUARE METRE) –
NORMAL TRANSPLANTING
570
580
590
600
610
620
630...
VARIATIONS IN HARVESTS BETWEEN DIFFERENT
PLOTS (GRAMS PER SQUARE METRE) –
DIRECT SEEDING
540
560
580
600
620
640
660
680
1...
VARIATIONS IN HARVESTS BETWEEN DIFFERENT
PLOTS (GRAMS PER SQUARE METRE) – SRI
0
100
200
300
400
500
600
700
800
900
1
SRI1...
VARIATIONS IN HARVESTS BETWEEN DIFFERENT
PLOTS (KILOGRAMS PER 5 SQUARE METRES)
NBC
NT
RS
SRI
0
5
10
15
20
25
1
Totalkgs
Thank you
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0761- Sri Lankan farmer-based research presentation on SRI

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. 1. Farmer-Based Research Season 2007 YALA Variety BG-300 Duration 3.5 months
  2. 2. Location at Warakapola Famer: W.K. SENARATHNA METHODS: 1 SRI 2 Direct seeding 3 Normal broadcasting 4 Normal transplanting
  3. 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. 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
  5. 5. GROWTH: ROOTS
  6. 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. 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. 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. 9. GROWTH: TILLERS PER PLANT 0 2 4 6 8 10 12 14 4 WEEK 6 WEEK 8 WEEK SRI RS NT NBC
  10. 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. 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. 12. SEEDS PER PANICLE: SUMMARY FINAL (Average number of seeds per panicle) SRI 155 DS 102 NT 108 NBC 93
  13. 13. SUCCESSFUL TILLERS WITH GRAIN Panicles per m2 SRI 260 DS 258 NT 319 NBC 363
  14. 14. SUCCESSFUL TILLERS WITH GRAIN 0 50 100 150 200 250 300 350 400 pin: per sq m: SRI RS NT NBC
  15. 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. 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. 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. 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. 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. 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. 21. Thank you

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