In this module, you learned a few basics about estimating the water needs of plants.
The abbreviated procedure outlined here is intended mainly for instructional purposes and to help you begin developing a preliminary estimate of ET for plants in your landscape. Before embarking on an extensive program of calculating precise water needs, you should investigate further the available approaches and methods. The references cited on the previous page are a good place to begin.
Looking ahead, the next water-related and salinity-related step in designing or redesigning a landscape involves estimating your site's required irrigation rate and selecting a method for applying water. Procedures for doing those tasks are outlined in a different module, Selecting an appropriate irrigation system. That would be a good place to go next.
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