DRAINIMP – Økonomi i drenering

Abstract

There has been low level of drainage activity in Norway for since the mid-1980. Every year about 5,000 hectares were drained, which is below half the size compared with the decade before. More wet summers combined with the introduction of subsidies for drainage in 2013 and that the rate were doubled in 2017, has increased the interest in drainage. In 2017, there were 3,155 applications for subsidies for drainage at the total amount of NOK 115,000 million. In this report, we have evaluated the profitability of drainage based on registrations from a field experiment in Askvoll and a field experiment with inverted peat in Fræna. On both fields, data on quality and quantity of the roughage was registered in the period 2014-2017...