Giorgia Raimondi, Pietro Todde, Pier Paolo Roggero, Laura Mula, Vittoria Giannini
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引用次数: 0
摘要
Cardoon （Cynara cardunculus var. altilis）是地中海地区很有前途的多年生能源作物。在湿地的长期建立阶段，对选定的物种实施临时间作可以通过促进作物多样化、抑制杂草和增加生物量来增强生态系统服务。在意大利撒丁岛进行了一项为期三年的田间试验，比较了三种间作系统：(1)油菜（Eruca sativa）、(2)亚麻荠（camelina sativa）和(3)毛豌豆（Vicia villosa）与单作对照。研究评价了临时间作对杂草抑制和油菜发育生产的影响。测定了间作种的生物量。临时间作使杂草生物量平均减少24.2%（与对照相比），但不妨碍种植第一年的杂草形成。对主要杂草的竞争能力最强的是紫叶蓟和紫叶蓟。紫茎草产量最高。临时间作的棉花产量比其他间作品种平均增加55.1%。
Temporary Intercropping With Forage or Industrial Crops Improves Yield and Weed Control in Cardoon (Cynara cardunculus var. altilis DC)
Cardoon (Cynara cardunculus var. altilis) is a promising perennial energy crop for Mediterranean areas. Implementing temporary intercropping with selected species during the long establishment phase of the cardoon can enhance ecosystem services by promoting crop diversification, suppressing weeds, and increasing biomass production. A three-year field experiment conducted in Sardinia, Italy, compared three intercropping systems: (i) rocket (Eruca sativa), (ii) camelina (Camelina sativa), and (iii) hairy vetch (Vicia villosa) with a monocropped control. The study assessed the effects of temporary intercropping on weed suppression and cardoon development and production. The biomass production of the intercropped species was also measured. Temporary intercropping reduced weed biomass by 24.2% on average (compared to the control) without hindering cardoon establishment in the first year of cultivation. V. villosa and E. sativa were the most competitive against the main weeds. V. villosa had the highest yield. Temporary intercropping with V. villosa, in the following year after its establishment, increased cardoon production by an average of 55.1% compared to the other intercropped species.
期刊介绍：
GCB Bioenergy is an international journal publishing original research papers, review articles and commentaries that promote understanding of the interface between biological and environmental sciences and the production of fuels directly from plants, algae and waste. The scope of the journal extends to areas outside of biology to policy forum, socioeconomic analyses, technoeconomic analyses and systems analysis. Papers do not need a global change component for consideration for publication, it is viewed as implicit that most bioenergy will be beneficial in avoiding at least a part of the fossil fuel energy that would otherwise be used.
Key areas covered by the journal:
Bioenergy feedstock and bio-oil production: energy crops and algae their management,, genomics, genetic improvements, planting, harvesting, storage, transportation, integrated logistics, production modeling, composition and its modification, pests, diseases and weeds of feedstocks. Manuscripts concerning alternative energy based on biological mimicry are also encouraged (e.g. artificial photosynthesis).
Biological Residues/Co-products: from agricultural production, forestry and plantations (stover, sugar, bio-plastics, etc.), algae processing industries, and municipal sources (MSW).
Bioenergy and the Environment: ecosystem services, carbon mitigation, land use change, life cycle assessment, energy and greenhouse gas balances, water use, water quality, assessment of sustainability, and biodiversity issues.
Bioenergy Socioeconomics: examining the economic viability or social acceptability of crops, crops systems and their processing, including genetically modified organisms [GMOs], health impacts of bioenergy systems.
Bioenergy Policy: legislative developments affecting biofuels and bioenergy.
Bioenergy Systems Analysis: examining biological developments in a whole systems context.
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