The valorization of agro-industrial by-products is one of the key strategies to improve agricultural sustainability. In the present study, spent coffee grounds and biochar were used as pore forming agents in the realization of lightweight clay ceramic aggregates that were used as sustainable fertilizers, in addition to tailored glass fertilizer containing phosphorous (P) and potassium (K) and nitrogen (N) synthetic fertilizer, for nursery grapevine production. The obtained fertilizers were assessed in a pot experiment for the fertilization of bare-rooted vines. Unfertilized (T0) and fertilized plants (T1, using NPK-containing commercial fertilizer) were used as controls. Plants fertilized by spent coffee grounds and spent coffee grounds + biochar-containing lightweight aggregates and added with 30 wt% of the above-mentioned glass and N fertilizers (T2 and T3, respectively) recorded higher values of plant height, shoot diameter, leaf and node numbers. Moreover, T2 treatment induced the highest chlorophyll content, shoot and root dry weights. The present study shows that lightweight clay ceramic aggregates containing spent coffee grounds and glass and N fertilizers can be used for nursery grapevine production, in turn improving the agricultural sustainability.
Valorization of spent coffee grounds, biochar and other residues to produce lightweight clay ceramic aggregates suitable for nursery grapevine production / Ronga, D.; Parisi, M.; Barbieri, L.; Lancellotti, I.; Andreola, F.; Bignami, C.. - In: HORTICULTURAE. - ISSN 2311-7524. - 6:4(2020), pp. 1-13.
Data di pubblicazione: | 2020 |
Titolo: | Valorization of spent coffee grounds, biochar and other residues to produce lightweight clay ceramic aggregates suitable for nursery grapevine production |
Autore/i: | Ronga, D.; Parisi, M.; Barbieri, L.; Lancellotti, I.; Andreola, F.; Bignami, C. |
Autore/i UNIMORE: | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.3390/horticulturae6040058 |
Rivista: | |
Volume: | 6 |
Fascicolo: | 4 |
Pagina iniziale: | 1 |
Pagina finale: | 13 |
Codice identificativo ISI: | WOS:000601493500001 |
Codice identificativo Scopus: | 2-s2.0-85092230862 |
Citazione: | Valorization of spent coffee grounds, biochar and other residues to produce lightweight clay ceramic aggregates suitable for nursery grapevine production / Ronga, D.; Parisi, M.; Barbieri, L.; Lancellotti, I.; Andreola, F.; Bignami, C.. - In: HORTICULTURAE. - ISSN 2311-7524. - 6:4(2020), pp. 1-13. |
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