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0518 GIS Evaluation for SRI
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0518 GIS Evaluation for SRI

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Presenter: G. Steeve

Presenter: G. Steeve

Subject Country: Philippines

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    0518 GIS Evaluation for SRI 0518 GIS Evaluation for SRI Presentation Transcript

    • CALCULATING SRI SUITABILITY
      • ASSUMPTIONS
      • Irrigated Rice Areas
      • Soil Texture
      • - HS: Heavy Soils = Poor Drainage
      • - LS: Light Soils = (Good Drainage)
      • Slope
      • - Flat = Poor Drainage
      • - Gently Rolling = Good Drainage
      The overlaying of both maps in a GIS resulted in a coincidence map and table showing the convergence of both themes. This was further reclassified to SRI suitability. This is by assuming that good water control provided by light soils and landscape position would be favorable to SRI cultivation.
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    • SRI Municipalities of Isabela Province HS = Heavy Soils LS = Light Soils, GD = Good Drainage PD = Poor Drainage
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    • SRI: BARANGAY OF TUMAINI HS = Heavy Soils, LS = Light Soils, GD = Good Drainage, PD = Poor Drainage)
    • Probable Failure of SRI
      • The IRRI and PhilRice experimental sites where SRI trials were conducted was classified under Heavy Soils with Poor Drainage.
      • Potential SRI Sites in the Philippines under irrigated condition is approximately 302,000 hectares.