2017 Fall Farm Outlook
Page 16 Oct. 25, 2017 2017 Logan County Fall Farm Outlook Magazine LINCOLN DAILY NEWS Here’s the idea that farmers might consider When simple controls are added, these same tiles can significantly increase production. On a small acreage where the gradient is only one- to two-foot, a single shutoff valve can be added to the field tile for a relatively small expense. Larger tiled fields, or where there are more changes in soil gradient, can also be controlled by placing strategically located stacks (valves that hold back water to set levels) to manage water. Using soil moisture sensors, the water levels can be adjusted for optimum plant development throughout the season. Controlling the water table: ■ Allows the farmer into fields to plant and harvest ■ Keeps ground water available to plants ■ Allows aeration for roots ■ Keeps nitrogen, phosphorous and other nutrients available to plants as they are needed Drainage Water Management is the process of managing the timing and the amount of water discharging from agricultural drainage systems. A water level control structure is installed in the tile line and allows for management of the tile outlet elevation - USDA Natural Resources Conservation Service The USDA’s Natural Resources Conservation Service (NRCS) defines drainage water management (DWM) as, “the process of managing the timing and the amount of water discharged from agricultural drainage systems. DWM is based on the premise that the same drainage intensity is not required at all times during the year. With DWM, both water quality improvement and production benefits are possible. Water quality benefits are derived by minimizing unnecessary drainage, reducing the amount of nitrate that leaves farm fields. DWM systems can also retain water in fields that could be used for crop production later in the season--when you need it. Producers who use DWM enjoy being able to better control their drainage water instead of the water always controlling them.” One local farmer near Atlanta had a valve installed on his drainage several years ago and considers it to be one of his best investments. Dave Bishop says, “We absolutely keep that tile shut anytime except for when we have to drain it to get it dry. We drain it to plant, and if I need to keep the plants from drowning out.” As an organic farmer he says, “I worked hard to get those nutrients that come through here. What runs off would go into the creek.” Continued ►►
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