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0211 The System of Rice Intensification (SRI): Opportunity for Food Security and Water Saving in N. Ghana?

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SRI-Rice, Dept. of Global Development, CALS, Cornell University
SRI-Rice, Dept. of Global Development, CALS, Cornell University

Presenter: Norman Uphoff Audience: NARMSAP III Conference Tamale, Ghana Subject Country: Ghana

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The System of Rice Intensification (SRI): Opportunity for Food Security and Water Saving in N. Ghana? NARMSAP III Conference Tamale, Ghana December 16-19, 2002 Norman Uphoff, Cornell International Institute for Food, Agriculture and Development
More tillers and more than 400 grains per panicle
SRI is giving remarkable and promising results ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
SRI IS A METHODOLOGY ,[object Object],[object Object],[object Object],[object Object],[object Object]
Basic idea of SRI is that RICE PLANTS DO BEST ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
“ Starting Points” for SRI ,[object Object],[object Object],[object Object],[object Object],[object Object]
These practices produce a different PHENOTYPE ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
 
 
OBSERVABLE BENEFITS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
LESS OR NO NEED FOR: ,[object Object],[object Object],[object Object]
ADDITIONAL BENEFITS ,[object Object],[object Object],[object Object],[object Object]
DISADVANTAGES / COSTS ,[object Object],[object Object],[object Object]
SRI is COUNTERINTUITIVE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Plant Physical Structure and Light Intensity Distribution at Heading Stage (CNRRI Research: Tao et al. 2002)
These results more often come from farms than experiment stations ,[object Object],[object Object],[object Object],[object Object]
 
 
Spread beyond Madagascar ,[object Object],[object Object],[object Object],[object Object],[object Object]
Reports from Sanya Conference
Results Keep Coming In ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Analysis of SRI in Sri Lanka ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Key Insight: Rice is not an aquatic plant ,[object Object],[object Object],[object Object],[object Object]
 
 
Dry Matter Distribution of Roots in SRI and Conventionally-Grown Plants at Heading Stage (CNRRI research: Tao et al. 2002) Root dry weight (g)
Root Activity in SRI and Conventionally-Grown Rice (Nanjing Agr. Univ. research: Wang et al. 2002) (Wuxianggeng 9 variety)
 
Importance of Root Growth ,[object Object],[object Object],[object Object]
 
 
Paths for Increased Grain Yield in Relation to N Uptake, using QUEFTS Analytical Model (Barison, 2002)
The contributions of soil microbial activity need to be taken more seriously ,[object Object]
SRI Raises More Questions than It Gives ANSWERS ,[object Object],[object Object],[object Object],[object Object]
 
 
 
 
 
 
 
THANK YOU ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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0211 The System of Rice Intensification (SRI): Opportunity for Food Security and Water Saving in N. Ghana?

  • 1. The System of Rice Intensification (SRI): Opportunity for Food Security and Water Saving in N. Ghana? NARMSAP III Conference Tamale, Ghana December 16-19, 2002 Norman Uphoff, Cornell International Institute for Food, Agriculture and Development
  • 2. More tillers and more than 400 grains per panicle
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  • 16. Plant Physical Structure and Light Intensity Distribution at Heading Stage (CNRRI Research: Tao et al. 2002)
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  • 21. Reports from Sanya Conference
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  • 27. Dry Matter Distribution of Roots in SRI and Conventionally-Grown Plants at Heading Stage (CNRRI research: Tao et al. 2002) Root dry weight (g)
  • 28. Root Activity in SRI and Conventionally-Grown Rice (Nanjing Agr. Univ. research: Wang et al. 2002) (Wuxianggeng 9 variety)
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  • 33. Paths for Increased Grain Yield in Relation to N Uptake, using QUEFTS Analytical Model (Barison, 2002)
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