Angebaute Biomasse

Englert, Hermann; Lewandowski, Iris; Böhmel, Constanze; Vetter, Armin; Hartmann, Hans

doi:10.1007/978-3-540-85095-3_3

Cited by 1 publication

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“…Due to the superior cold resistance of its tubers, JA can be grown as a perennial crop [43,44], even in regions with extreme weather conditions during winter dormancy (Alaska, Siberia, northern Scandinavian regions) [35,37,42,45,46]. Jerusalem artichoke has a lifespan (regrowth capacity of aerial biomass) of up to 15-20 years [43,44]. The growing season of JA lasts from mid-April to mid-November [44,47].…”

Section: Industrialized Countriesmentioning

confidence: 99%

“…On average, the dry matter yield (DMY) of JA aerial biomass and tubers is determined at 20-50 and 10-30 Mg ha −1 , respectively [46,[49][50][51]. Jerusalem artichoke has considerable potential for bioenergy production due to its high biomass yields and diverse sources of raw material (tubers and lignocellulosic aerial biomass which contains 31% of cellulose and hemicellulose, and 16% of lignin) [32,43,50,52]. Aerial biomass is a valuable resource in the production of solid fuels [36,53,54], biogas, and bioethanol [32,36,[55][56][57][58].…”

Section: Industrialized Countriesmentioning

confidence: 99%

“…Aerial biomass yields reach 30 Mg DM ha −1 y −1 in Central Europe [46,52,83,88] and the Middle East (Iran) [86]. The highest yields of JA aerial biomass (up to 40 Mg DM ha −1 y −1 ) are noted in Western and Southern Europe (Germany, Italy, Spain, Austria) [43,79,80,84] and in Eastern and Central Asia (China) [36,65,81]. The DMY of JA tubers accounts for 27-45% [81,84,86,90] to 72% [41,91] of the total DMY of aerial biomass and tubers.…”

Section: Biomass Yieldmentioning

confidence: 99%

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Jerusalem Artichoke: Energy Balance in Annual and Perennial Cropping Systems—A Case Study in North-Eastern Poland

Jankowski,

Bogucka

2024

Energies

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This article presents the results of a three-year experiment (2018–2020) conducted at the Agricultural Experiment Station in Bałcyny (north-eastern Poland) with the aim of determining Jerusalem artichoke (JA) yields and the energy balance of biomass production in (i) a perennial cropping system (only aerial biomass was harvested each year) and (ii) an annual cropping system (both aerial biomass and tubers were harvested each year). When JA was grown as a perennial crop, the demand for energy reached 25.2 GJ ha−1 in the year of plantation establishment and 12.3–13.4 GJ ha−1 in the second and third year of production. The energy inputs associated with the annual cropping system were determined in the range of 31.4–37.1 GJ ha−1. Biomass yields were twice as high in the annual than in the perennial cropping system (20.98 vs. 10.30 Mg DM ha−1). Tuber yield accounted for 46% of the total yield. The energy output of JA biomass was 1.8 times higher in the annual than in the perennial cropping system (275.4 vs. 157.3 GJ ha−1). The average energy gain in JA cultivation ranged from 140 (perennial crop) to 241 GJ ha−1 (annual crop). The energy efficiency ratio of JA biomass production reached 7.7–13.3 in the perennial cropping system, and it was 20% lower in the annual cropping system. These results imply that when JA was grown as an annual crop, an increase in energy inputs associated with plantation establishment (tillage and planting) and the harvest and transport of tubers was not fully compensated by the energy output of tubers.

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