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Portable System for Furrow Irrigation of Small Plots¹

ABSTRACT

A portable apparatus designed for furrow irrigation of small plots was constructed with a 3,800-liter water wagon and a piece of gated aluminum irrigation pipe mounted laterally on the wagon. The pipe is long enough to water the middles of a four-row plot. It is clamped by two brackets to a frame which is hinged at two points on the underside of the wagon. The hydraulic system of a standard row-crop tractor is used to operate two double-action hydraulic cylinders which are pivoted on the underside of the wagon and to each arm of the support frame for the gated pipe. A pump mounted on the rear of the wagon is attached to the water tank by noncollapsing suction hose and to the gated pipe by flexible fire hose. A graduated sight gauge on the pump end of the water tank allows for accurate measurement of applied water. The maximum output of the system is 380 liters/min.; a fully-loaded trailer can provide 10 cm of water to a plot with four 100-cm-wide rows 9.1 m long without refilling.

¹ Cooperative investigations of USDA-SEA-AR and the Mississippi Agric. and For. Exp. Stn., Stoneville, MS 38776.

² Research Agronomist and Biological Research Technician, respectively. Soybean Production Research, P. O. Box 196, Stoneville, MS 38776.

Received for publication January 8, 1981. Accepted for publication May 28, 1981.