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Cover Crops and Landscape Position Effects on Nitrogen Dynamics in Plant-Soil-Water Pools

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Figure

Figure 1. Cover crop research site at Carbondale, Illinois USA. Crop rotation followed was no-till corn- corn-cereal rye-soybean-hairy vetch in watersheds planted with cover crops (CCs) indicted by the green outline  and corn-no cover crop (no CC)-soybean-
Table 1. Dates of field operations and data collection.
Table 4. Probability values (p-values) and numerator degrees of freedom (df) associated with the sources of variation in the statistical analysis for soil solution nitrate-N (NO 3 -N) and total N (TN) concentrations that were collected with a tension cup l
Figure 2. Total monthly precipitation at the research site from 2015 to 2018 with a twenty-year average of  monthly precipitation from 1993 to 2014
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