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Energy forest

Written by Reinhard Sperr on October 21, 2017 in Glossary wood fuel


Energy forest is a term used for the cultivation of fast-growing trees, mostly poplars, willows, and robinias, on

Energy forest

cropland or pastureland. The harvest (also referred to as “stock”) takes place, not like with “conventional” forest, only once in 30-100 years, but within 2-10 years, depending on the system and planning. An energy forest sprouts after harvesting (ground-level pruning) again and can be used in this manner about 5 times. At the end of its useful life (15-25 years), the energy forest is removed using a forestry cutter and can subsequently be used for other arable crops, lawns or a new energy forest.

The harvest of an energy forest (about 7-15 tons of dry matter) is about two-for times as much as that of a normal forest; and, contrary to the expectations of many people, it does not leach out the soil, but promotes humus formation in many ways and has a regulating effect on the water balance in it. In large-scale planting, you should ensure a balanced mixture of varieties to avoid the known agricultural problems of monocultures whenever possible.

© - Reinhard Sperr (2008 – 2017)