While we spend a lot of effort thinking about the role of livestock production as agricultural emissions, crop production also plays a significant role in several ways.
Links
[1] https://insideclimatenews.org/news/24092018/infographic-farm-soil-carbon-cycle-climate-change-solution-agriculture
[2] https://www.usda.gov/
[3] https://blog.nature.org/science/2014/06/18/global-agriculture-land-sustainability-deforestation-foodsecurity/
[4] https://news.berkeley.edu/2012/04/02/fertilizer-use-responsible-for-increase-in-nitrous-oxide-in-atmosphere/
[5] https://www.epa.gov/ghgemissions/understanding-global-warming-potentials
[6] https://www.nature.com/articles/nclimate3158
[7] https://www.eia.gov/todayinenergy/detail.php?id=18431