Des Moines Register: After several years of small gains and losses, Iowa farmland values skyrocketed 29% this year, averaging $9,751 an acre, the highest nominal amount in 80 years, a new Iowa State University survey shows. That is 12% higher than the previous peak in 2013, at $8,716 an acre, ISU reported. The last time Iowa's farmland values increased more than 25% was in 2011, when values rose 32.5%.