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Waterlogging, Soil Salinity, Field Irrigation, Plant Growth, Subsurface Drainage, Groundwater Modelling, Surface Runoff, Land Reclamation, and other Crop Production and Water Management aspects.
R.J.Oosterbaan
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                                                          What is offered?
Pages with software,
articles and FAQ's
arranged by subject :


drainage subjects
drainage
ground water
& aquifers

irrigation subjects
environment
tidal/spate irrigation

soil subjects
salinity, alkalinity
& sulfate acidity

statistical subjects
cumulative frequency
& segmented regression
Free downloads of software
The site gives free download opportunity of software and models freeware and computer programs (tools I developed because of need in my work).
       The programs relate to statistics (segmented linear regression with break-point, cumulative probability distribution fitting and recurrence predictions), groundwater flow to subsurface drains (horizontal and tile drainage) and pumped tubewells (vertical drainage), rainfall-surface runoff relations simulated with a nonlinear reservoir, and agro-hydro-salinity simulation models including groundwater hydraulics.
       The source code of the software can be seen at the open source page.

Free downloads of general articles
The site offers free downloading of general articles and manuals in the field of waterlogging, agricultural land drainage for soil desalination, salty soils, and subsurface drainage for agriculture (horizontal and vertical).
       In addition one can find here supporting papers on the software referring to land reclamation (rehabilitation) of waterlogged land, and the remediation (restoration) of salt affected, saline, soils. The same holds for the models on segmented linear regression of plant growth, crop production, tolerance and yield responses, as well as probility distribution fitting of hydrologic factors.

Reports and case studies, free download
A list of project evaluations and case studies on water-management, agricultural land drainage, irrigation, drainage for salinity control in agriculture for remediation of soil salination (salinisation) can be found on the published reports page and also on the particular reports page.
       The same holds for reclamation, rehabilitation, restoration and improvement of salty, saline, alkaline and acid sulphate/sulfate soils.

Updates
I intend to update and expand this website regularly and include update reports.
Main categories:


Software
& models

  General articles
& manuals

Artículos
(in Spanish,
  en Español)

Published
reports & cases

Particular
reports & cases

Update
record
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waterlogging and salinity
Looking over the shoulder of a farmer to his waterlogged and saline land.

The salt tolerance of the crop is insufficient to produce a good yield.

The irrigated land needs drainage to prevent waterlogging and reduce the soil salinity.