Cargill, General Mills, Wal-Mart collaborating to improve farm soil, water quality

Cargill, General Mills, Wal-Mart and several other giant food, agricultural and environmental groups will announce a partnership on Wednesday to accelerate programs and research to improve soil health and water quality on farms. The idea evolved from a meeting of CEOs that Wal-Mart held two years ago at its Arkansas headquarters. The topic: how the companies could help support agriculture in the Midwest. Among other things, it was clear that companies were increasingly making commitments to customers that their products would come from fields or barns where farming is done susta