A Modified Line Source Sprinkler Technique for Continuous‐Variable Leaching Studies

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Abstract
An irrigation system designed to produce a continuous range of leaching fractions is described. The leaching variable is produced by supplementing standard sprinkler irrigation with line source irrigation. The advantages of this modified line source technique include (i) the capability of applying a continuous leaching variable to plots receiving uniform applications of sprinkler‐applied fertilizers or pesticides, (ii) the ability to adjust the slope of the water application gradient to produce the desired range of leaching fractions, and (iii) the option of a back‐up irrigation system when wind speed is too great for line source irrigation.
Funding Information
  • Water Resources Center, University of Minnesota (UCAL‐WRC‐W‐564)