Hmmm…
“Productivity in agriculture was 270 percent greater in 2017 than in 1948, and 136 percent greater than 1990, while total farm inputs were mostly unchanged from 1948, and only marginally higher than in 1990, according to USDA’s Economic Research Service.” Agriculture and Greenhouse Gas Emissions, Dr. John Newton, AFBF Market Intel, March 5, 2019.