Workshop on SRI rice technology<br />Evaluation of Key Factors  of SRI Method<br />Dr. Lin Xianqing<br />E-mail: xqlin2003...
Reporting Content:<br />Ⅰ.  Seedlings<br />Ⅱ.  Spacing<br />Ⅲ.  Organic fertilizer<br />Ⅳ.  Water management<br />Ⅴ.  Comp...
1.  Seedlings<br />
1. Tillering<br />
2. Yield (Site:Xiage town)<br />
Yield (Site:Baite town)<br />
Ⅱ. Spacing<br />
1. Tillering<br />A: 195,000 hills/ha <br />C: 135,000 hills/ha<br />E :  75,000 hills/ha<br />
2.Yield (Xianju)<br />
2.Yield (CNRRI) – 2 seasons<br />
Ⅲ.Organic fertilizer<br />
Effect of organic fertilizer on grain yield<br />D1: 7.5 hills/m2;    D2: 13.5 hills/m2;   D3 :19.5 hills/m2;   CK: 19.5 h...
Ⅳ. Water management<br />
Quantitative measurement  of water management<br />
SWD: Shallow water depth with wetting and drying<br />
Comparison of water input and output under different irrigation methods.<br />
Changes in redox potential of SWD at different growth stages (  A----SWD)<br />
The number of actinomycetes under different fertilizer and water management regimes <br />I1 =SWD;   I2 = CKF1 = Chemical ...
Physiological characteristics of rice leaves at flowering stage as influenced by manure and density<br />D1:  7.5 hills/m2...
Nitrogen accumulated before flowering stage and during the grain-filling period (GFP); N remobilized from vegetative tissu...
Effect of SWD on tiller composition and productive panicles<br />
  Effect of SWD on flag leaf traits(IIyou7954)<br />
Effect of SWD on canopy light transmittance rate at flowering stage  (A = SWD; T = CK)<br />
Effect of SWD on the incidence of sheath blight<br />
Effect of SWD on bleeding sap of rice root ( A = SWD; T = CK)<br />
V.Comparison between SRI and traditional method<br />
Physiological characteristics of rice leaves as influenced by SRI<br />* Means followed by different letters are significa...
a<br />c<br />b<br />b<br />Effect of transplanting  density on leaf nitrogen content under SRI<br />CK = 25 hills/m2;  D1...
Various tiller components with SRI<br />
CK<br />SRI<br />Root growth of SRI at stem elongation <br />
Demonstration yields of SRI<br />(2003-2005)<br />
Ⅵ. Operations of SRI<br />
A. Precision seeding with seedlings by tray<br />
B. Density control<br />Transplanting density: <br />13.5-19.5 x 104 hill/ha<br />
C. Standard of field water control is SWD<br />
“SWD” =<br />Three Shallows – transplanting,      when spraying with insecticide, and         during booting-floweringstag...
Wet tillage <br />Shallow-water puddling<br />
Shallow-water transplanting<br />Dry for tiller control<br />Wet tillering<br />
Shallow-water for booting to flowering<br />Wet for mature grain<br />Wet for milk grain<br />
D. Maintaining N and increasing K<br />
Need to increase organic fertilizer<br />
E . Integrated Pest Management (IPM) <br />
Demonstration of SRI in Bu Tou Village<br />
Technical Guidance <br />
Thank you<br />
Upcoming SlideShare
Loading in...5
×

1001 Evaluation of Key Factors of SRI Method

1,458

Published on

Presenter: Lin Xianqing, CNRRI

Workshop on the System of Rice Intensification, Exchanging Experience in
China, the Democratic People's Republic of Korea and Internationally, organized and
hosted by the China National Rice Research Institute (CNRRI), with support from The
Asia Foundation.

Hangzhou, China, February 28-March 2, 2010

Published in: Technology
1 Comment
0 Likes
Statistics
Notes
  • Sorry, The photograph of CK and SRI in slide 31 are the same. Difference in resolution only. Bluffed?

    from Dr. P. K. Deb Choudhury
    pk.debchodhury@gmail.com
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here
  • Be the first to like this

No Downloads
Views
Total Views
1,458
On Slideshare
0
From Embeds
0
Number of Embeds
0
Actions
Shares
0
Downloads
23
Comments
1
Likes
0
Embeds 0
No embeds

No notes for slide

1001 Evaluation of Key Factors of SRI Method

  1. 1. Workshop on SRI rice technology<br />Evaluation of Key Factors of SRI Method<br />Dr. Lin Xianqing<br />E-mail: xqlin2003@163.com<br />China National Rice Research Institute<br />
  2. 2. Reporting Content:<br />Ⅰ. Seedlings<br />Ⅱ. Spacing<br />Ⅲ. Organic fertilizer<br />Ⅳ. Water management<br />Ⅴ. Comparison between SRI and traditional method<br />Ⅵ. Operation of SRI<br />
  3. 3. 1. Seedlings<br />
  4. 4. 1. Tillering<br />
  5. 5. 2. Yield (Site:Xiage town)<br />
  6. 6. Yield (Site:Baite town)<br />
  7. 7. Ⅱ. Spacing<br />
  8. 8. 1. Tillering<br />A: 195,000 hills/ha <br />C: 135,000 hills/ha<br />E : 75,000 hills/ha<br />
  9. 9. 2.Yield (Xianju)<br />
  10. 10. 2.Yield (CNRRI) – 2 seasons<br />
  11. 11. Ⅲ.Organic fertilizer<br />
  12. 12. Effect of organic fertilizer on grain yield<br />D1: 7.5 hills/m2; D2: 13.5 hills/m2; D3 :19.5 hills/m2; CK: 19.5 hills/m2<br />
  13. 13. Ⅳ. Water management<br />
  14. 14. Quantitative measurement of water management<br />
  15. 15.
  16. 16. SWD: Shallow water depth with wetting and drying<br />
  17. 17. Comparison of water input and output under different irrigation methods.<br />
  18. 18. Changes in redox potential of SWD at different growth stages ( A----SWD)<br />
  19. 19. The number of actinomycetes under different fertilizer and water management regimes <br />I1 =SWD; I2 = CKF1 = Chemical fertilizer<br />F2 = 50% organic, 50% chemical fertilizer <br />F3 = All organic fertilizer<br />
  20. 20. Physiological characteristics of rice leaves at flowering stage as influenced by manure and density<br />D1: 7.5 hills/m2; D2: 13.5hills/m2; D3 : 19.5hills/m2<br />
  21. 21. Nitrogen accumulated before flowering stage and during the grain-filling period (GFP); N remobilized from vegetative tissue; leaf and grain N content; total N accumulated at maturity; and N harvest index (NHI) of 2 irrigation methods in 2 rice cultivars (Liangyoupeijiu and Eryou 7954)<br />
  22. 22. Effect of SWD on tiller composition and productive panicles<br />
  23. 23. Effect of SWD on flag leaf traits(IIyou7954)<br />
  24. 24. Effect of SWD on canopy light transmittance rate at flowering stage (A = SWD; T = CK)<br />
  25. 25. Effect of SWD on the incidence of sheath blight<br />
  26. 26. Effect of SWD on bleeding sap of rice root ( A = SWD; T = CK)<br />
  27. 27. V.Comparison between SRI and traditional method<br />
  28. 28. Physiological characteristics of rice leaves as influenced by SRI<br />* Means followed by different letters are significantly different at the P = 0.05 level according to Duncan’s Multiple Range Test.<br />
  29. 29. a<br />c<br />b<br />b<br />Effect of transplanting density on leaf nitrogen content under SRI<br />CK = 25 hills/m2; D1 = 7.5 hills/m2D2 = 13.5 hills/m2D3 = 19.5 hills/m2<br />
  30. 30. Various tiller components with SRI<br />
  31. 31. CK<br />SRI<br />Root growth of SRI at stem elongation <br />
  32. 32. Demonstration yields of SRI<br />(2003-2005)<br />
  33. 33. Ⅵ. Operations of SRI<br />
  34. 34. A. Precision seeding with seedlings by tray<br />
  35. 35. B. Density control<br />Transplanting density: <br />13.5-19.5 x 104 hill/ha<br />
  36. 36. C. Standard of field water control is SWD<br />
  37. 37. “SWD” =<br />Three Shallows – transplanting, when spraying with insecticide, and during booting-floweringstage<br />Three Wets - tillering, panicle initiation, and during milk grain-mature grainstage<br />One Dry - tiller control<br />
  38. 38. Wet tillage <br />Shallow-water puddling<br />
  39. 39. Shallow-water transplanting<br />Dry for tiller control<br />Wet tillering<br />
  40. 40. Shallow-water for booting to flowering<br />Wet for mature grain<br />Wet for milk grain<br />
  41. 41. D. Maintaining N and increasing K<br />
  42. 42. Need to increase organic fertilizer<br />
  43. 43. E . Integrated Pest Management (IPM) <br />
  44. 44. Demonstration of SRI in Bu Tou Village<br />
  45. 45. Technical Guidance <br />
  46. 46.
  47. 47. Thank you<br />
  1. A particular slide catching your eye?

    Clipping is a handy way to collect important slides you want to go back to later.

×