SOIL expert and agro-scientist Dr Jeff Herrick says a combination of scientific and local knowledge can achieve sustainable land use in Namibia without losing more pasture and crop land.

The topsoil, comprised of the top 10 to 12 centimeters of the soil, acts as a kind of 'death zone' in which fresh grass cannot survive for long. Namibia's legendary fairy circles are mysterious ...

During winter, farmers in these zones can grow a variety of winter vegetables such as onions, cabbage, lettuce, beetroot, carrots, broccoli and cauliflower to meet local demand.