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Volume

40

Issue

3

Abstract

A trial on the suitability of subsurface drip irrigation (SDI) for alfalfa (Medicago sativa L) was conducted on a producer's field. The soil is sandy loam. The treatments included drip tape spacing of 60, 40, and 30 inches, placed at 18- and 12-inch depth. A nearby center pivot sprinkler irrigated plot was seeded to alfalfa as a control. Seedling emergence and yield was adversely affected at 60-inch spacing. The depth of placement of drip tapes (18 and 12 inch) showed no effect. The site served for Extension education and allowed comparison between SDI tape spacing and center pivot system.

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