Frank Gore remembers as a child sleeping on the floor of a duck blind at daybreak as his father and grandfather called over decoys to distant birds. Now a third-generation duck hunter, Gore has a grandson of his own, and he's doing what he can to make similar memories...

In July on an early morning drive in east-central Indiana, Don Thurston gives a tour of the 3,600 acres he farms. A longtime no-till practitioner in both corn and soybeans, he spies a cluster of waterhemp near the edge of a field.