At first glance, the fields of Belgian farmer Diederik Steyaert look like they are struggling with drought. The top layer of soil appears dry, the weather is hot and there is little sign that the crops have been receiving extra water.

At first glance, the fields of Belgian farmer Diederik Steyaert look like they are struggling with drought. The top layer of soil appears dry, the weather is hot and there is…

Belgian farmer Diederik Steyaert says he has not irrigated his crops in 26 years. His unusual soil-management methods, including avoiding ploughing, adding decomposed grass and…