Most agricultural land is not double-cropped, in the US less than 3% of farmland was double-cropped in 2015 [1]. You actually have it backwards: when possible,

Most agricultural land is not double-cropped, in the US less than 3% of farmland was double-cropped in 2015 [1]. You actually have it backwards: when possible, cover crops or double cash crops are a key regenerative practice because they prevent erosion and keep living roots in the ground which can enhance soil health in other ways [2]. [1] https://www.ers.usda.gov/amber-waves/2014/june/double-cropping-by-u-s-farmers-varies-over-time-and-regionally https://www.ers.usda.gov/amber-waves/2014/june/double-croppi... [2] https://www.nrcs.usda.gov/conservation-basics/conservation-by-state/north-dakota/soil-health-principle-4-of-4-continual-live https://www.nrcs.usda.gov/conservation-basics/conservation-b...