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Central Lakes College | Ag & Energy Center | 2019 Annual Report | www.clcmn.edu/ag-energy-center/ Page 5
Figure 2. Nitrate concentration in soil solution from lysimeters samples at 24 and 48 inches below the soil surface throughout the 2018 growing season below intermediate wheatgrass (IWG) and soybean. Central Lakes College | Ag & Energy Center | 2019 Annual Report | www.clcmn.edu/ag-energy-center/
Figure 3. Soil moisture levels under corn (orange) and IWG (teal) on four sampling dates during the
2019 growing season, shown by depth (100, 200, 300, 400, 600, 1000 mm).
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