What is the best strategy for irrigating with water from rivers and streams in semi-arid areas that flow high in the spring and may even go dry in mid-summer?
First, review all available flow and water quality data (start with the United States Geological Survey web site or contact your state water quality agency), or begin collecting your own flow and water quality data. A review of the historic water quality and flow records should indicate several changes throughout the year. Knowledge of these changes may help you manage the irrigation water.
