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Process / pipelineSoil Hydrology

Mchoro wa unyevu wa udongo

Mchoro wa unyevu wa udongo (au mchoro wa uhifadhi wa maji udongoni, SWRC) huelezea uhusiano kati ya kiwango cha maji udongoni na uwezo wa kimatric wa udongo (mvutano wa maji). Unabainisha jinsi maji yanavyoshikiliwa kwa nguvu katika vinyuzi vya ukubwa tofauti: vinyuzi vikubwa hutoa maji kwa mvutano mdogo (udongo wenye unyevu), wakati vinyuzi vidogo huhifadhi maji kwa mvutano mwingi (udongo mkavu). Kuelezea uhusiano huu kwa kiasi ni muhimu kwa uundaji wa modeli za usawa wa maji, utabiri wa mtiririko usiojaa, na kutathmini maji yanayopatikana kwa mimea.

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Vyanzo

  1. Gardner, W. R. (1956). Representation of soil aggregate-size distribution by a logarithmic-normal distribution. Soil Science Society of America Journal, 20(2), 151-153. DOI: 10.2136/sssaj1956.03615995002000020003x
  2. Brooks, R. H., & Corey, A. T. (1964). Hydraulic properties of porous media. Hydrology Papers No. 3, Colorado State University, Fort Collins. link
  3. van Genuchten, M. T. (1980). A closed-form equation for predicting the hydraulic conductivity of unsaturated soils. Soil Science Society of America Journal, 44(5), 892-898. DOI: 10.2136/sssaj1980.03615995004400050002x

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Soil Water Retention Curve (Soil Moisture Characteristic Curve). ScholarGate. https://scholargate.app/sw/agronomy/soil-moisture-curve

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Imerejelewa na

ScholarGateSoil Moisture Curve (Soil Water Retention Curve (Soil Moisture Characteristic Curve)). Imepatikana 2026-06-17 kutoka https://scholargate.app/sw/agronomy/soil-moisture-curve · Seti ya data: https://doi.org/10.5281/zenodo.20539026