Biochar from Grapevine-Pruning Residues Is Affected by Grapevine Rootstock and Pyrolysis Temperature

Dominik Anđelini, Danko Cvitan (), Melissa Prelac, Igor Pasković, Marko Černe, Ivan Nemet, Nikola Major, Smiljana Goreta Ban, Zoran Užila, Tea Zubin Ferri, Branka Njegić Džakula, Marko Petek, Dean Ban and Igor Palčić
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Dominik Anđelini: Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
Danko Cvitan: Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
Melissa Prelac: Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
Igor Pasković: Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
Marko Černe: Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
Ivan Nemet: Faculty of Science, Department of Chemistry, Horvatovac 102a, 10000 Zagreb, Croatia
Nikola Major: Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
Smiljana Goreta Ban: Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
Zoran Užila: Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
Tea Zubin Ferri: MAR LAB d.o.o., Vukovarska Ulica 22, 52100 Pula, Croatia
Branka Njegić Džakula: Ruđer Bošković Institute, Bijenička Cesta 54, 10000 Zagreb, Croatia
Marko Petek: Department of Plant Nutrition, University of Zagreb Faculty of Agriculture, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
Dean Ban: Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia
Igor Palčić: Institute of Agriculture and Turism, Karla Huguesa 8, 52440 Poreč, Croatia

Sustainability, 2023, vol. 15, issue 6, 1-17

Abstract: In recent years, the production and application of biochar as a soil amendment produced from pruning residues has gained attention worldwide. Since the effect of grapevine rootstock type on grapevine-pruning residues used as feedstock for biochar production had not yet been researched, the present research was performed. Two grapevine rootstocks, different in vigor, were selected, with the hypothesis that they would affect their chemical composition and, consequently, the composition of the produced biochar. In this work, grapevine-pruning residues of the indigenous variety “Istrian Malvasia” ( Vitis vinifera L.) grafted on 420A and SO4 rootstocks were analyzed and used for biochar production under three peak temperature programs (400 °C, 500 °C, and 600 °C). Higher pyrolysis temperature decreased yield but increased EC, ash, and TC content, as well as the content of most of the studied elements. On the other hand, grapevine rootstock type affected biochar EC, ash content, and specific surface area. Results showed that a more vigorous rootstock affects the produced biochar qualities by enhancing the above-mentioned properties. The present research showed that biochar produced from grapevine-pruning residues, especially at 500 °C or 600 °C, could be a valuable tool for the valorization of this biomass as a soil amendment.

Keywords: canes; grapevine; elemental composition; slow pyrolysis (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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