The hydrodynamic dispersion coefficient is an important parameter for simulating solute transport through soils. KH2PO4 solution infiltrated into horizontal columns of five types of soils was tested, and their hydrodynamic dispersion coefficients Dsh(θ) were calculated. results showed that the Dsh(θ) of P was the natural exponential function versus the soil water content θ. The increase of Dsh(θ) with θ was faster when the reaction of P with soil was stronger.
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Sui Hong-jian, Zhang Jia-bing. MEASUREMENT OF HYDRODYNAMIC DISPERSION COEFFICIENT OF REACTIVE SOLUTE TRANSPORT THROUGH SOILS[J]. Acta Pedologica Sinica,1998,35(1):76-80.