Effects of innovative biofertilizers on yield of processing tomato cultivated in organic cropping systems in northern Italy

Ronga, Domenico; Caradonia, Federica; Setti, Leonardo; Hagassou, Djangsou; Azevedo, Cleber Vinícius Giaretta; Milc, Justyna Anna; Pedrazzi, Simone; Allesina, Giulio; Arru, Laura; Francia, Enrico

doi:10.17660/actahortic.2019.1233.19

Cited by 23 publications

(14 citation statements)

References 25 publications

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“…Comparisons with other studies on processing tomato produced under the OFS seems not to be easy in relation to the different environments, cultivars, and agronomic management adopted in other studies. Nonetheless, the marketable yield recorded in our research falls into the range reported by Ronga et al [45,46], showing an average of 45 t ha −1 and 86 t ha −1 in Italian and Californian experiments, respectively.…”

Section: Discussionsupporting

confidence: 69%

Using Digestate and Biochar as Fertilizers to Improve Processing Tomato Production Sustainability

Ronga

Caradonia

Parisi³

et al. 2020

Agronomy

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The principal goal of the organic farming system (OFS) is to develop enterprises that are sustainable and harmonious with the environment. Unfortunately, the OFS yields fewer products per land than the non-organic farming system in many agricultural products. The objective of our study was to assess the effects of digestate and biochar fertilizers on yield and fruit quality of processing tomato produced under the OFS. The experiment was carried out in Po Valley, during the 2017 and 2018 growing seasons. Liquid digestate (LD), LD + biochar (LD + BC) and pelleted digestate (PD) were evaluated and compared to biochar (BC) application and unfertilized control. The results showed that plants fertilized with LD + BC recorded the maximum marketable yield (72 t ha−1), followed by BC (67 t ha−1), PD (64 t ha−1) and LD (59 t ha−1); while the lowest production (47 t ha−1) was recorded in unfertilized plants. Over the two cropping seasons, LD + BC, BC, PD, and LD, increased fruit number per plant (+15%), fruit weight (+24%), Brix t ha−1 (+41%) and reduced Bostwick index (−16%), if compared to the untreated control. Considering the overall agronomic performances, digestate and biochar can be useful options for increasing yield and quality of processing tomato production in the OFS. Hence, these fertilizers can be assessed in future research both on other crops and farming systems.

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Section: Discussionsupporting

confidence: 69%

Using Digestate and Biochar as Fertilizers to Improve Processing Tomato Production Sustainability

Ronga

Caradonia

Parisi³

et al. 2020

Agronomy

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“…This yield gap is mainly ascribed to the different fertilisers and crop protection products that are allowed in the two cropping systems. In fact, synthetic and organic products can be used in the conventional and in the organic cropping systems, respectively [27][28][29][30][31][32]. In this context, the use of biostimulants and biofertilisers is attracting interest by growers [33].…”

Section: Introductionmentioning

confidence: 99%

Microalgal Biostimulants and Biofertilisers in Crop Productions

Ronga¹,

Biazzi²,

et al. 2019

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Microalgae are attracting the interest of agrochemical industries and farmers, due to their biostimulant and biofertiliser properties. Microalgal biostimulants (MBS) and biofertilisers (MBF) might be used in crop production to increase agricultural sustainability. Biostimulants are products derived from organic material that, applied in small quantities, are able to stimulate the growth and development of several crops under both optimal and stressful conditions. Biofertilisers are products containing living microorganisms or natural substances that are able to improve chemical and biological soil properties, stimulating plant growth, and restoring soil fertility. This review is aimed at reporting developments in the processing of MBS and MBF, summarising the biologically-active compounds, and examining the researches supporting the use of MBS and MBF for managing productivity and abiotic stresses in crop productions. Microalgae are used in agriculture in different applications, such as amendment, foliar application, and seed priming. MBS and MBF might be applied as an alternative technique, or used in conjunction with synthetic fertilisers, crop protection products and plant growth regulators, generating multiple benefits, such as enhanced rooting, higher crop yields and quality and tolerance to drought and salt. Worldwide, MBS and MBF remain largely unexploited, such that this study highlights some of the current researches and future development priorities.

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“…Vineyard winter pruning wood is usually destroyed by infield burning or crushing onto the soil, and the same occurs for grape stalks. On the other hand, a better valorization of vineyard pruning and winery out stream as feedstock for biogas plants [21][22][23] and pyrolysis [24] might increase vineyard sustainability providing green energy and promising fertilizers, such as digestate and biochar [25]. Considering that little information is reported on the use of compost and biochar coming from the valorization of vineyard by-products, the present study aimed to close the waste cycle in vineyards via the reuse of by-products.…”

Section: Introductionmentioning

confidence: 99%

Valorization of Vineyard By-Products to Obtain Composted Digestate and Biochar Suitable for Nursery Grapevine (Vitis vinifera L.) Production

et al. 2019

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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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Effects of innovative biofertilizers on yield of processing tomato cultivated in organic cropping systems in northern Italy

Cited by 23 publications

References 25 publications

Using Digestate and Biochar as Fertilizers to Improve Processing Tomato Production Sustainability

Using Digestate and Biochar as Fertilizers to Improve Processing Tomato Production Sustainability

Microalgal Biostimulants and Biofertilisers in Crop Productions

Valorization of Vineyard By-Products to Obtain Composted Digestate and Biochar Suitable for Nursery Grapevine (Vitis vinifera L.) Production

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