Iowa’s family farms are in­­creasingly important to Iowa’s economy, contributing 6 percent more to the state economy than in 2007, according to a new study commissioned by the Coalition to Support Iowa’s Farmers (CSIF).

More than 33 percent of Iowa’s total economic output came from agriculture in 2012, according to the in-depth study of 2012 Census of Agriculture and regional economic statistics.

"This study underscores how innovative farmers have been since 2007," said Spencer Parkinson of Decision Innovation Solutions, an Iowa economic research firm which conducted the study. "Despite major weather events such as...