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Chapter 6 Irrigation System Design - USDA
www.nrcs.usda.govChapter 6 Irrigation System Design Part 652 Irrigation Guide (210-vi-NEH 652, IG Amend. NJ1, 06/2005) NJ6-3 of mainlines and laterals (mostly plastic pipe) buried below the depth of normal field operations. Only the sprinklers and a portion of the risers are above the ground surface. To irrigate the field, one or more zones of