Variable Rate Sprinkler for Improved Irrigation and Chemigation Management
Small Business Information
P.O. Box 312, Soda Springs, ID, 83276
Mr. Rodney B. Wood
AbstractSite Specific Crop Management (SSCM) is one solution to management problems caused by spatial variability with a field. In irrigated agriculture, spatial variability contributes to suboptimum irrigation managment resulting in inefficient water and chemical use and contamination of surface and groundwter supplies. A variable rate low pressure sprinkler has been developed for center-pivot and linear-move irrigation systems which will facilitate SSCM suing irrigation and chemigation. We propose to investigate performance of the sprinkler under field conditions. A program of field testing using a linear-move irrigation system to apply variable amounts of water and chemical according to an arbitrary map is proposed. The amounts of water and chemical applied to individual cells established in a field will be measured and compared to target amounts. The end result will be determination of the sprinkler's ability to achieve variable discharge while providing good application uniformity.
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