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Evaluation of the System of  Rice Intensification in Bhutan Karma Lhendup Faculty of Agriculture College of Natural Resources Royal University of Bhutan Thimphu 2 nd  National SRI Symposium, 2007
Brief background on  paddy cultivation in Bhutan
Rice is cultivated in a wide range of elevations from 150 m - 2600 masl Over 50,000 acres -- about  20,235 hectares -- are under rice cultivation in Bhutan (MoA, 2004)
Average rice productivity is about 2.88 ton/ha
SRI in Bhutan ,[object Object]
In 2006, SRI evaluation trials were  carried out at three locations in  Eastern Bhutan.
Objective ,[object Object],[object Object],[object Object]
Kanglung Geog ,[object Object],[object Object],[object Object],Methodology: Location of study sites Site I (Khangma) Site II (Thragom) Site III (Pangthang)
Site I Site II Site III Site Characteristics Site Altitude (masl) Texture Variety planted pH (H 2 O) I (Khangma) 2000 Loam Khangma maap 4.4 II (Thragom) 1850 Loamy to sandy clay Paropa 4.47 III (Pangthang) 1600 Sandy loam to sandy clay loam Verna  5.99
Experimental Design ,[object Object],Treatments were: 20 x 20 cm spacing, 3-leaf stage seedling age 20 x 20 cm spacing, 4-leaf stage seedling age 30 x 30 cm spacing, 3-leaf stage seedling age 30 x 30 cm spacing, 4-leaf stage seedling age Control (farmers’ practice), > 7 leaf stage  Plot size was 5 x 4 m2, with a total of 15 plots  at each site
Application ,[object Object],[object Object]
Note ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
Results and Discussion ,[object Object],[object Object]
Results and Discussion ,[object Object],Yield at three different sites calculated at 14% moisture content Sl.No Parameters Site I  Site II  Site III  1 Rice variety Khangma maap Paropa Verna 2 2.1 2.2 2.3 2.4 2.5 Yield (kg/plot/Mt/ha) 20x20 3-leaf stage 20x20 4-leaf stage 30x30 3-leaf stage 30x30 4-leaf stage Control (3.90)  5.7 (3.47)  5.2 (4.03)  6.0 (3.53)  5.3 (3.50)  5.2 (2.63)  3.9 (2.57)  3.8 (2.83)  4.2 (2.53)  3.8 (2.45)  3.6 (2.57)  3.8 (2.20)  3.3 (2.83)  4.2 (2.43)  3.6 (2.45)  3.6
a  cv  = 9.5% b  **  = Significant at 1% level of significance Analysis of variance (RCB) for grain yield data Sources of  variation Degrees of freedom Sum of squares Mean squares Computed F b Tabular F 5% 1% Replication 8 35.05 4.38 4.54** 2.67 3.97 Treatment 4 3.11 0.78 Experimental error 32 5.48 0.17 Total 44 43.64 5.33      
Dissemination of SRI techniques
Conclusion ,[object Object],[object Object],[object Object],SRI Plot Sharing SRI technique  to agriculture students  for multiplier effect.

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0740 Evaluation of the System of Rice Intensification in Bhutan

  • 1. Evaluation of the System of Rice Intensification in Bhutan Karma Lhendup Faculty of Agriculture College of Natural Resources Royal University of Bhutan Thimphu 2 nd National SRI Symposium, 2007
  • 2. Brief background on paddy cultivation in Bhutan
  • 3. Rice is cultivated in a wide range of elevations from 150 m - 2600 masl Over 50,000 acres -- about 20,235 hectares -- are under rice cultivation in Bhutan (MoA, 2004)
  • 4. Average rice productivity is about 2.88 ton/ha
  • 5.
  • 6. In 2006, SRI evaluation trials were carried out at three locations in Eastern Bhutan.
  • 7.
  • 8.
  • 9. Site I Site II Site III Site Characteristics Site Altitude (masl) Texture Variety planted pH (H 2 O) I (Khangma) 2000 Loam Khangma maap 4.4 II (Thragom) 1850 Loamy to sandy clay Paropa 4.47 III (Pangthang) 1600 Sandy loam to sandy clay loam Verna 5.99
  • 10.
  • 11.
  • 12.
  • 13.
  • 14.
  • 15.
  • 16. a cv = 9.5% b ** = Significant at 1% level of significance Analysis of variance (RCB) for grain yield data Sources of variation Degrees of freedom Sum of squares Mean squares Computed F b Tabular F 5% 1% Replication 8 35.05 4.38 4.54** 2.67 3.97 Treatment 4 3.11 0.78 Experimental error 32 5.48 0.17 Total 44 43.64 5.33      
  • 17. Dissemination of SRI techniques
  • 18.