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Assessing Salinity Leaching Efficiency in Three Soils by the HYDRUS-1D and -2D Simulations [PDF]

open access: yesSoil and Tillage Research, 2019
Salinity leaching is necessary to sustain agricultural production in irrigated croplands. Improving salinity leaching efficiency not only conserves water but also reduces groundwater contamination. Current leaching requirement (LR) calculations are based
Laosheng Wu   +2 more
exaly   +2 more sources
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Hydrus-1D for Simulating Potassium Transport in Flooded Paddy Soils

Communications in Soil Science and Plant Analysis, 2021
Understanding the transport of potassium (K) in flooded rice fields is important for the efficient management of K fertilizers.
Shashank Shekhar   +4 more
openaire   +1 more source

Implementation of quadratic upstream interpolation schemes for solute transport into HYDRUS-1D

Environmental Modelling & Software, 2011
Numerical solution of the advection-dispersion equation, used to evaluate transport of solutes in porous media, requires discretization schemes for space and time stepping. We examine use of quadratic upstream interpolation schemes QUICK, QUICKEST, and the total variation diminution scheme ULTIMATE, and compare these with UPSTREAM and CENTRAL schemes ...
Luis E. Neumann   +2 more
openaire   +4 more sources

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