1. World Bank. Agricultural land (% of land area) - United States [Internet]. [cited May 3, 2021]. Available from: https://data.worldbank.org/indicator/AG.LND.AGRI.ZS?locations=US
2. World Bank. Arable land (% of land area) - United States [Internet]. [cited October 27, 2020]. Available from: https://data.worldbank.org/indicator/AG.LND.ARBL.ZS?locations=US
3. Arable land (hectares per person) - United States [Internet]. [cited May 3, 2021]. Available from: https://data.worldbank.org/indicator/AG.LND.ARBL.HA.PC?locations=US
4. Merrill D, Leatherby L. Here’s how America uses its land. [Internet]. 2018; [cited May 3, 2021]. Available from: https://www.bloomberg.com/graphics/2018-us-land-use/
5. Agriculture: steps to sustainable livestock;Eisler;Nature.,2014