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D5.5 – Report on harvesting systems and densification for industrial crops on marginal land

Authors: Stefanoni; Latterini; Attolico;

D5.5 – Report on harvesting systems and densification for industrial crops on marginal land

Abstract

The exploitation of industrial crops for the production of ligno-cellulosic compounds and vegetable oil on marginal lands relies on efficient harvesting and logistics’ strategies. The present deliverable goes through the difficulties encountered from harvesting to dispatchment of indrustrial crops highlighting prons and cons of the currently available technologies to improve the whole value chain in the following categories: lignocellulosic crops (fiber, herbaceous perennial and Short-Medium Rotation Coppice (SRC-MRC)) and oil crops. The two sections are indipendently investigated focusing on harvesting and densifiction of the biomass to reduce cost and increase profitability. The information provided within the present document was gathered from experimental data collected on fields, from literature review and background knowledge gained from collaboration in previous research projects. Regarding fiber crop (in particular hemp) it is possible to say that there are several solutions available to harvest this species, which should be properly selected according to the crop features and to the aim of the cultivation, i.e. fiber and seed-fiber. Focusing on lignocellulosic crops, the present deliverable focused mainly on miscanthus, describing the possible alternative solutions which are generally based on cutting the plants and densify them through chipping and/or baling. Harvesting systems for SRC and MRC have been instead experiencing a substantial change in the last years, shifting from dedicated systems for biomass harvesting and densification to semi or fully mechanized harvesting approaches, derived from forestry sector, in order to produce fiber wood from the main stem and biomass from branches and tops. Finally, concerning oil crops, it is possible to say that, among the investigated ones, camelina and castor can efficiently be harvested with conventional combine harvesters equipped with cereal and sunflower header respectively. Castor bean harvesting is instead still a great challenge, indeed the present deliverable highlights how a sunflower header is a better option than a cereal one, but however many concerns are still present regarding seed loss and quality of the collected product.

Keywords

biomass, Marginal Lands, Industrial Crops, Crops, Bio Fuel, Biobased

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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