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Open AccessArticle

Analysis of the Work Productivity and Costs of a Stationary Chipper Applied to the Harvesting of Olive Tree Pruning for Bio-Energy Production

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Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria (CREA), Centro di Ricerca Ingegneria e Trasformazioni Agroalimentari, Via della Pascolare 16, 00015 Monterotondo, (RM), Italy
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Consiglio per la Ricerca in Agricoltura e l’Analisi dell’Economia Agraria (CREA), Centro di Ricerca Ingegneria e Trasformazioni Agroalimentari, Via Milano, 43, 24047 Treviglio, (BG), Italy
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Author to whom correspondence should be addressed.
Energies 2020, 13(6), 1359; https://doi.org/10.3390/en13061359
Received: 6 February 2020 / Revised: 7 March 2020 / Accepted: 11 March 2020 / Published: 14 March 2020
Pruning residues could represent an important biomass resources for energy production. Only in Italy it has been estimated that an annual quantity of biomass of over 2600 kt of dry matter could be obtained from olive residues. Several machines developed for pruning harvesting are available in the market, most of which are tractor-driven, while limited knowledge is available on performance, quality of work and costs of harvesting logistics based on stationary chippers. The aim of the present paper is to analyze machine performance of a forestry stationary chipper applied to pruning harvesting for what concerns work productivity, quality of the comminuted product and harvesting operating costs. This system is actually applied by Fiusis Company, an Italian enterprise which manages a biomass power plant exclusively powered by olive trees’ pruning residues, and it has never been analyzed in literature. The results obtained showed consistent work productivity, which resulted the highest ever found in olive pruning harvesting systems and equal to 5.23 ± 0.81 tdm·h−1. This high work productivity allowed also to obtain a little economic gain from a matter, which is actually considered a problem for olive groves’ owners and not a potential source of income. In particular, the use of a stationary chipper seemed very efficient in olive groves with a consistent amount of wooden residues to be processed and with big branches not harvestable by the most common towed pruning harvester. In addition, the stationary chipper has the advantage of avoiding the preliminary raking operation, which results in reduced costs for the farmer. View Full-Text
Keywords: olive groves; pruning; stationary chipper; harvesting system; hog fuel; pruning supply chain olive groves; pruning; stationary chipper; harvesting system; hog fuel; pruning supply chain
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MDPI and ACS Style

Suardi, A.; Latterini, F.; Alfano, V.; Palmieri, N.; Bergonzoli, S.; Pari, L. Analysis of the Work Productivity and Costs of a Stationary Chipper Applied to the Harvesting of Olive Tree Pruning for Bio-Energy Production. Energies 2020, 13, 1359. https://doi.org/10.3390/en13061359

AMA Style

Suardi A, Latterini F, Alfano V, Palmieri N, Bergonzoli S, Pari L. Analysis of the Work Productivity and Costs of a Stationary Chipper Applied to the Harvesting of Olive Tree Pruning for Bio-Energy Production. Energies. 2020; 13(6):1359. https://doi.org/10.3390/en13061359

Chicago/Turabian Style

Suardi, Alessandro; Latterini, Francesco; Alfano, Vincenzo; Palmieri, Nadia; Bergonzoli, Simone; Pari, Luigi. 2020. "Analysis of the Work Productivity and Costs of a Stationary Chipper Applied to the Harvesting of Olive Tree Pruning for Bio-Energy Production" Energies 13, no. 6: 1359. https://doi.org/10.3390/en13061359

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