Farm Progress Reports


RFR A17105


Ag Engineering/Agronomy, Central Iowa and BioCentury Research Farms


Two saturated buffers were installed on the Uthe Farm (Boone County) beginning fall 2016, and installation was completed spring 2017. Four field tile outlets were intercepted, and the water was redirected using control structures to a perpendicular distribution line of perforated tile. These distribution lines were placed underneath a grass buffer strip along Big Creek. Tile water from the field tile is redirected to the distribution lines, allowing water to seep into the soil beneath the grass buffer. Nitrates are removed by plants and microorganisms before the water enters Big Creek.





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