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Energy plant encyclopedia

wood fuel

Poplar, willow and robinia in short rotation Short rotation plantation (SRC) or energy wood from energy forest of fast-growing woody plants (poplar, willow and robinia) on arable or grassland areas represent a valuable and necessary alternative for biogenic raw material supply already today and especially in the future.

Chopped Wood Marketing

Own needs (independence, self provision) or deliveries for wood chips consumers (such as local heat networks), panel/paper industries. More and more farmers decide to act as heat providers rather than just chopped wood suppliers. The Biomass Association of Upper Austria (Biomasseverband Oberoesterreich) actively supports people that build and want to operate such local heat networks. […]

Conclusion on Planting Fast-Rotation Plants (FRP)

The times where fast-rotation areas were considered as exotic crops of strongly experimental nature are definitely over. Great increments of cultivated areas in Austria and Germany, but also in South Europe, demonstrate that energy woods will play a significant role in future biomass providing. For a farmer this may mean, on the one hand, independence […]

Cultivation of Energy Trees

Late in March to at latest mid-May (highlands) Set/plant saplings (about 20 cm), rods (1-2 m) or one-year-old rooted cuttings (1-2 m), 20-max. 50 cm into the soil and press well down Plantation spacing as a single row (1,500-8,000 pcs) or in two rows (40-80 in each row), a passage (2.5-3 m, about 13,000 pcs/ha) […]

Energy forest

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

Energy Plants Success Factors

Key words would be: Location, a good choice of clones regarding climate and soil, due care in the year of planting, planting distances, quality of saplings, availability of water (first of all, during vegetation period), soil quality, verage annual temperature, weed abundance, diseases and damages caused by game. back to the overview page

Energy Wood Care, Plant Protection

In the year of planting, saplings must be held as protected against weeds as possible. We recommend mechanical or chemical weed control. Starting from the 2nd year till the end of usage period, no more processing is necessary. However, we still recommend controlling the field for possible insects, diseases or weeds. As for now, only […]

Energy Wood Costs, Prices, Chopped Materials

Important points for selling chopped materials from energy woods: Weight (tons) or volumes (loosely packed cubic meters, solid cubic meters); dry substance or fresh mass; water content? Area yields – average annual yield pro hectare (lower) or total yield in specific harvesting years (higher) Parity – Where will the goods be passed? free at the […]

Energy Wood Yields

Yields make 7-15 air dry tons (absolutely dry = dry mass) per hectare annually. However, there are very significant differences depending on climate, soil valuation and water supply and varieties. For poplars, the yield can make up to 20 dry air tons in optimal conditions.

Fast-Rotation Areas Cultivation Criteria

Poplars and willows love water. Therefore, the growth of the plants depends on precipitations (at least 300−400 mm during vegetation period), the water holding capacity of the soil and the availability of ground water. Humus/nutrient content is only secondarily important. In particular, the following areas are suitable for planting: Set-aside areas, arable areas, and agricultural […]

Features of SRP (Short-Rotation Planting)

In this first stage of their life, the plants grow above-averagely fast. Within a short period, mauch mass will be produced at comparatively low density (weight per volume). We use special tree breedings (clonese), mostly of poplars, willows, and robinia (acacias). Broadleave trees are regularly “stock-settled”, i.e. cut back at the earth level. Harvest material […]

© - Reinhard Sperr (2008 – 2017)