This article (in Norwegan and Swedish) is based on published reports and experiences with impermeable covers during the last decade.
(For English -read the fact sheet.)
Properly installed impermeable covers can be recommended as an efficient way to prevent damage from ice and melting water, desiccation and other types of abiotic winter stresses on putting greens. Two years positive results from four Norwegian golf courses have been confirmed by Swedish greenkeepers who have tried impermeable covers for many years and who estimate better winter survival in four out of five years.
STERF is a research foundation that supports existing and future R&D efforts and delivers ‘ready-to-use research results’ that benefit the Nordic golf sector. STERF was set up in 2006 by the golf federations in Sweden, Denmark, Norway, Finland, Iceland and the Nordic Greenkeepers’ Associations.