FLAHAAGRI TECHDiscuss your projectFlahaSOIL
methodology.
How FlahaSOIL structures soil physics, chemistry, salinity and sodicity interpretation for professional decision support.
Document revision: 2026-07-20
Scope
FlahaSOIL supports interpretation of soil physical and chemical indicators relevant to agriculture and landscape management, with emphasis on arid-region constraints such as salinity, sodicity, texture and water-holding behaviour.
Purpose
Convert laboratory and field soil evidence into transparent, reviewable interpretation that can inform management discussion—not to replace accredited laboratory reporting or agronomist inspection.
Typical inputs
- Laboratory soil analyses (as available and documented)
- Sampling and context notes
- Intended land use (crop, landscape, investment assessment)
- Optional irrigation-water quality context
Typical outputs
- Interpreted soil condition summaries
- Constraint and management-priority notes
- Professional reports for technical review
- Handoff context for irrigation and nutrition decisions
Units & measurement notes
| Quantity | Typical units | Notes |
|---|---|---|
| Electrical conductivity (EC) | dS/m or mS/cm | Confirm extract method (e.g. saturation extract vs 1:2.5). |
| pH | pH units | Method and water:soil ratio affect comparability. |
| Texture fractions | % sand / silt / clay | Texture class is derived, not a chemical assay. |
| Exchangeable cations / CEC | cmol(+)/kg or meq/100 g | Do not mix methods without conversion care. |
| Bulk density | g/cm³ or Mg/m³ | Links physical status to water storage interpretation. |
Key indicators
- Texture class and physical constraint signals
- Salinity indicators (EC and related context)
- Sodicity / sodium relative to other cations
- pH and major chemistry framing
- Evidence completeness for the selected assessment level
Scientific engines
- Soil physics interpretation pathways
- Soil chemistry and nutrient-status framing
- Salinity and sodicity assessment logic
- Evidence-completeness messaging
Calculation notes
- Interpretation pathways map measured inputs into constraint language; they are not a substitute for the laboratory certificate of analysis.
- Where ratios or derived indicators are used (for example sodium-related indices), method assumptions must match the laboratory package provided.
- Missing mandatory fields reduce assessment level and increase limitation messaging rather than inventing values.
Standards & documentation status
Interpretation is aligned with professional soil-science practice used in arid agriculture and landscape soils. Formal equation inventories, reference ranges by method, and peer-reviewed validation packages will expand under scientific ownership.
Validation status: Public methodology: structured overview (MVP). Engine-level validation reports and versioned coefficient tables are pending scientific release packages.
Engine / methodology version: Public marketing methodology v0.9 (overview)
Assumptions
- Input values accurately represent the sampled material and laboratory methods used.
- Assessment level is matched to evidence completeness.
- Site-specific recommendations require professional validation.
Limitations
- Does not certify laboratory accuracy or replace accredited lab reports.
- Does not replace field inspection, agronomy or engineering design.
- Incomplete inputs reduce interpretation confidence.
Revision history
- 2026-07-20 — Initial public methodology stub published.
- 2026-07-20 — Expanded units, indicators, calculation notes and validation status fields.
Reviewer identity and peer-validation packages will be added when scientific ownership signs off formal releases (architecture §8.1).