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. 2017 Sep 21;7:12117. doi: 10.1038/s41598-017-12383-7

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© The Author(s) 2017

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Diagram of NO₃ ⁻ flow through leaching and runoff with NT management. Black arrow indicates an increase of NT duration from left to right. Dashed grey arrow indicates consequences of corresponding properties on the left to runoff and leaching volume and concentration. Blue arrow indicates an increase or decrease of runoff and leaching associated with each corresponding NT property on the left.