Most of Iowa is in the middle of a dry spell, and forecasters say we're in for continued dry weather this season. But when the weather turns wet again, it's especially important to have grassed waterways ready to handle the runoff. A grassed waterway is an area where grass is left to grow permanently to drain runoff into designated outlets, without exposing bare soil to erosion. Most soil conservation plans should feature grassed waterways in their design.
Iowa State University
Tidman, Michael J. and Miller, Gerald A., "Don't forget about grassed waterways" (2000). Integrated Crop Management News. 2114.
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