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Soil Science Society of America Journal Abstract -

A Modified Line Source Sprinkler Technique for Continuous-Variable Leaching Studies1


This article in SSSAJ

  1. Vol. 46 No. 2, p. 441-443
    Received: Sept 9, 1981
    Accepted: Nov 23, 1981

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  1. J. C. Stark,
  2. W. M. Jarrell and
  3. J. Letey2



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.

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