期刊
AGRONOMY-BASEL
卷 9, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/agronomy9080420
关键词
vineyard by-products; composted solid digestate; biochar; grapevine planting material
资金
- Fondi di Ateneo per la Ricerca di UNIMORE, FAR 2015 Valorizzazione dei digestati da impianti di biogas e dei sarmenti del vigneto: preparati organici innovativi per la qualita vivaistica e la gestione agronomica della vite (VADI.SAVI.)
- Fondi di Ateneo per la Ricerca di UNIMORE, FAR 2017 La valorizzazione degli scarti agroindustriali tra diritto e scienza: processi innovativi dalla sperimentazione all'industrializzazione nel contesto legale
- EU-ERFD, Emilia-Romagna Regional Operational Programme, project SOSTINNOVI [PG/2015/737442]
Although compost and biochar received high attention as growing media, little information is available on the potential of vineyard by-products for the production and use of composted solid digestate (CSD) and biochar (BC). In the present study, two experiments are reported on CSD and BC mixed with commercial peat (CP) for grapevine planting material production. Four doses (0, 10%, 20%, 40% vol.) of CSD and BC were assessed in the first and second experiment, respectively. CSD mixed at a dose of 10% recorded the highest values of shoot dry weight (SDW) and a fraction of total dry biomass allocated to shoot (FTS), both cropping bench-graft and bare-rooted vine. On the other hand, CSD mixed at a dose of 40% displayed the highest values of SDW and FTS, cropping two-year-old vine. BC used at a dose of 10% improved SDW, root dry weight, total dry weight, FTS, shoot diameter, and height on bare-rooted vine. The present study shows that CSD and BC, coming from the valorization of vineyard by-products, can be used in the production of innovative growing media suitable for nursery grapevine production. Further studies are needed to assess the combined applications of CSD and BC in the same growing media.
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