“Manure is absolutely a hot commodity . . . Prices for good-quality solid manure in Nebraska alone have reached $11 to $14 per ton, up from a typical price of $5 to $8 per ton.” Allen Kampshneider, Nutrient Advisors, quoted in No poop for you: Manure supplies run short as fertilizer prices soar, by P.J. Huffstutter, Tom Polansek and Bianca Flowers, Reuters, April 6, 2022.