Source: Hembree Brandon, SOUTH EAST FARM PRESS, 10/1/12
Bottom-end GPS units can be purchased for $1,200 or so, says John Byrd, Extension research professor of plant and soil sciences at Mississippi State University, and will provide a basic level of accuracy for spraying. Their usefulness is not limited to spraying, he notes; they can also be used for fertilizer applications as well as overseeding forage grasses and legumes.
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