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首页> 外文期刊>Energies >Assessment of the Agronomic Feasibility of Bioenergy Crop Cultivation on Marginal and Polluted Land: A GIS-Based Suitability Study from the Sulcis Area, Italy
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Assessment of the Agronomic Feasibility of Bioenergy Crop Cultivation on Marginal and Polluted Land: A GIS-Based Suitability Study from the Sulcis Area, Italy

机译：边际和污染土地上生物能源作物耕作的农艺可行性评估：基于地理信息系统的意大利Sulcis地区适宜性研究

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摘要

In the context of environmental sustainability there has been an increasing interest in bioenergy production from renewable resources, and is expected that European biofuel production from energy crops will increase as a consequence of the achievement of policy targets. The aim of this paper is to assess the agronomic feasibility of biomass crop cultivation to provide profitable renewable feedstocks in a marginal and heavy-metal polluted area located in the Sulcis district, Sardinia (Italy). Results from literature review and unpublished data from field trials carried out in Sardinia were analysed to establish the main agronomic traits of crops (e.g., yield potential and input requirements). A Geographical Information System (GIS)-based procedure with remotely sensed data is also used to evaluate the land suitability and the actual land use/cover, considering a future scenario of expansion of energy crops on these marginal areas avoiding potential conflicts with food production. The results of the review suggests that giant reed, native perennial grasses and milk thistle are the most suitable energy crops for this area. The land suitability analysis shows that about 5700 ha and 1000 ha could be available for feedstock cultivation in the study area and in the most polluted area, respectively. The results obtained from land suitability process and agronomic evaluation will serve as a base to support technical and economical feasibility studies, as well as for the evaluation of environmental sustainability of the cultivation in the study area.
机译：在环境可持续性的背景下，人们越来越关注可再生资源的生物能源生产，并且由于实现政策目标，预计欧洲能源作物的生物燃料生产将增加。本文的目的是评估生物质作物种植的农业可行性，以在撒丁岛（意大利）苏尔西斯地区的边缘和重金属污染地区提供可盈利的可再生原料。分析了在撒丁岛进行的文献综述结果和未发表的田间试验数据，以建立农作物的主要农艺性状（例如产量潜力和投入需求）。考虑到将来在这些边缘地区扩大能源作物的种植面积，避免与粮食生产的潜在冲突，还使用了基于地理信息系统（GIS）的程序，该程序具有遥感数据，用于评估土地的适宜性和实际的土地使用/覆盖范围。审查结果表明，巨型芦苇，本地多年生草和水飞蓟是该地区最合适的能源作物。土地适宜性分析表明，在研究区域和污染最严重的地区，分别可以种植约5700公顷和1000公顷的原料。从土地适宜性过程和农艺学评估获得的结果将为支持技术和经济可行性研究以及评估研究区域内种植环境的可持续性提供基础。

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