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. 2021 Aug 4;376(1834):20200181. doi: 10.1098/rstb.2020.0181

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© 2021 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 4. — Mean annual intercontinental N export and imports of (a) total soy, (b) total maize, (c) soy cake, and (d) maize meal over a 5-yr period from 2014 to 2018. Soy cake and maize meal are primarily used for livestock feed. Colours distinguish region and width of arrow indicates size of export; arrow direction symbolizes export direction. Data from the Food and Agriculture Organization [17]. Only exports greater than a minimum threshold of 0.75% of the sum of all region exports are included in figure. (Online version in colour.)