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Energy plant encyclopedia

Energy Plants Knowledgebase

Planting Poplar/Willow Saplings

Energy woods, such as poplars, willows or robinia, are planted in spring, from mid-March to at latest mid-May (upland). About 20 cm long saplings, 1-2 m long rods or one-year 1-2 m long rooted saplings are settled or planted down to 20 to max. 50 cm in the ground and pressed down well. Doing so, […]

Preparations for Planting Miscanthus / Elephant Grass

To be prepared for planting, the field should be ploughed to a depth of at least 20 cm in autumn. It should be ensured that no large organic amounts of previous crops are incorporated, since the free-releasing nitrogen inhibits the maturation in autumn. one-year-old miscanthus plants start storing nutrients in the rhizomes very late in […]

Preparing Soil for Energy Timber

Plough the arable land to 25-30 cm in autumn, then harrow immediately before planting in spring. The moment is determined by the preceding crop and the soil characteristics; cohesive soils – autumn or winter furrow (mellowness due to frost), light soils can also be tilled directly before planting. Greenland: Mandatory soil tilling (exception: Planting roots […]

Propagation (Sida)

Sida is generally propagated by seed. Reproduction by division is potentially interesting in smaller areas; root cuttings, like those of Miscanthus, can mostly be an opportunity, too. From our current standpoint, we would not recommend extensive sowing, as it is now and then propagated, because of very different seed germination results. The strong weed pressure, […]

Recultivation – Grubbing the Fast-Rotation Areas

Upon the end of the rotation period, the stocks will be removed, and root stocks will be destroyed using a wood mulcher (at the depth of about 35 cm). The driving speed regulates the crushing ratio. Further agricultural use is possible with tillers then-available on the market without any problems. When resettling, the soil must […]

Rootstock (Sida)

The rootstock consists of many meaty thickened single roots at the base and finer root-hair. Due to its ability to penetrate into deeper soil layers, Sida is still attractive on relatively dry locations (under 500-600 mm annual rainfall), as compared to other extensive energy plants. Among energy woods, only robinia, perhaps, may thrive under such […]

Soils and Climate for Chinese Reed

Humous clay soils with good irrigation are the best for the cultivation of elephant grass. Unfit are very heavy soils and such ones that tend to compaction. The soil should be wet, but it should not be water-logged at the depth down to 1 m (pH 5−8). Goudweeds should not play any dominating role. The […]

Stalk Resolution of Miscanthus / Elephant Grass Fields

The process should be conducted using a chisel plough as immediately as possible after the last harvesting. Then the rhizomes milled in such a manner that the plants die out due to drying. Sprouting rhizomes are sprayed at the stalk length of 20-40 cm using a round-up. Straggling rests must be processed punctually (years 2-4). […]

Useful Life of Miscanthus

Plant life: about 25 years Setting: 1−2 vegetation periods Main use phase: 20−25 vegetation periods End-of-life phase: 5−10 vegetation periods In the third year, the plants are about 3 m high, and the full harvest can be reached for the first time at that period. The maximal revenue can be reached in the 6th and […]

utilization of harvested materials (Sida)

Another advantage of Sida, as compared to other extensive energy plants, is the utilization of harvested materials. Being, just like as Miscanthus, harvested and, at the same time, chopped with a rowless corn cutter, the chips do not contain ingredients that represent any danger to boilers. Only the low bulk density (even lower than in Miscanthus) […]

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