An Analysis of the Role of Tile-Drained Farmland Under Alternative Nitrogen Abatement Policies

Agricultural nitrogen is a major contributor to Gulf of Mexico hypoxia, and research has shown that agricultural subsurface tile drainage is a major carrier of nitrogen from croplands to streams and rivers. This study compares the results of abating nitrogen under a retired-land minimization policy with those of a new revenue-maximizing policy, paying particular attention to the role of tile-drained land. Findings reveal the retirement-minimizing policy resulted in more tile-drained land being retired and less being fertilizer-managed than was optimal under the net-return maximizing policy. Also, it led to a greater economic burden being shouldered by tile-drained land. Under both cases, tile drainage dominated the abatement process.

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Journal Article
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Journal of Agricultural and Resource Economics, Volume 31, Number 3
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 Record created 2017-04-01, last modified 2018-01-22

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