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WASUIT is a computer program which predicts the

  • Salinity
  • Sodicity
  • Toxic-solute concentration

of the soil-water within a simulated crop root zone resulting from the use of a particular irrigation water of given composition and at a specified leaching fraction. It can be used to evaluate the effect of a given salinity level (or solute concentration) on crop yield and of a given sodicity level on soil permeability.

System Requirements:
WATSUIT is written in Standard FORTRAN 77 and requires ANSI.SYS installed in your CONFIG.SYS file (i.e., DEVICE=C:\DOS\ANSI.SYS). The ANSI.SYS screen commands are used to clear your computer screen. If for some reason you do not have ANSI.SYS, the program will still run but will not your screen will not be cleared. MS-DOS 2.0 or later operating system and standard IBM 360 or 1.2 kbytes diskette drives are required.

Dataset Info

These fields are compatible with DCAT, an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web.
U.S. Salinity Laboratory
Product Type
United States Department of Agriculture
Contact Name
Skaggs, Todd
Contact Email
Public Access Level
Primary Article

Corwin, D., Rhoades, J., & Šimůnek, J. (2007). Leaching requirement for soil salinity control: Steady-state versus transient models. Agricultural Water Management, 90(3), 165-180.

AgID: 8761
Funding Source(s)
Agricultural Research Service
Program Code
005:037 - Department of Agriculture - Research and Education
Bureau Code
005:18 - Agricultural Research Service
Modified Date
Release Date
Ag Data Commons Keywords: 
  • Agroecosystems & Environment
  • Water
  • Agroecosystems & Environment
  • Plants & Crops
  • Crop production
  • Cropping system
  • Plants & Crops
  • Crop production
  • Plants & Crops
ISO Topic(s):