A Belgian farmer says he has not irrigated outdoor crops for 26 years; dig just 5 to 10 cm below the dry-looking surface and the soil is still moist
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. But dig just a few centimetres beneath the surface and the picture changes. The…