20 results on '"Foppa Pedretti, Ester"'
Search Results
2. Life cycle assessment of open field sea fennel production in central Italy
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Duca, Daniele, Boakye-Yiadom, Kofi Armah, Ilari, Alessio, Aquilanti, Lucia, and Foppa Pedretti, Ester
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- 2024
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3. Post-digestate composting shifts microbial composition and degrades antimicrobial resistance genes
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Gurmessa, Biyensa, Milanovic, Vesna, Foppa Pedretti, Ester, Corti, Giuseppe, Ashworth, Amanda J., Aquilanti, Lucia, Ferrocino, Ilario, Rita Corvaglia, Maria, and Cocco, Stefania
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- 2021
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4. Post-digestate composting benefits and the role of enzyme activity to predict trace element immobilization and compost maturity
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Gurmessa, Biyensa, Cocco, Stefania, Ashworth, Amanda J., Foppa Pedretti, Ester, Ilari, Alessio, Cardelli, Valeria, Fornasier, Flavio, Ruello, Maria Letizia, and Corti, Giuseppe
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- 2021
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5. An Overview of Machine Learning Applications on Plant Phenotyping, with a Focus on Sunflower.
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Centorame, Luana, Gasperini, Thomas, Ilari, Alessio, Del Gatto, Andrea, and Foppa Pedretti, Ester
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MACHINE learning ,ARTIFICIAL neural networks ,SCIENTIFIC literature ,BIOMASS estimation ,SUNFLOWERS ,SUNFLOWER seeds - Abstract
Machine learning is a widespread technology that plays a crucial role in digitalisation and aims to explore rules and patterns in large datasets to autonomously solve non-linear problems, taking advantage of multiple source data. Due to its versatility, machine learning can be applied to agriculture. Better crop management, plant health assessment, and early disease detection are some of the main challenges facing the agricultural sector. Plant phenotyping can play a key role in addressing these challenges, especially when combined with machine learning techniques. Therefore, this study reviews available scientific literature on the applications of machine learning algorithms in plant phenotyping with a specific focus on sunflowers. The most common algorithms in the agricultural field are described to emphasise possible uses. Subsequently, the overview highlights machine learning application on phenotyping in three primaries areas: crop management (i.e., yield prediction, biomass estimation, and growth stage monitoring), plant health (i.e., nutritional status and water stress), and disease detection. Finally, we focus on the adoption of machine learning techniques in sunflower phenotyping. The role of machine learning in plant phenotyping has been thoroughly investigated. Artificial neural networks and stacked models seems to be the best way to analyse data. [ABSTRACT FROM AUTHOR]
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- 2024
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6. Engineered solid biofuel from herbaceous biomass mixed with inorganic additives
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Toscano, Giuseppe, Feliciangeli, Gabriele, Rossini, Giorgio, Fabrizi, Sara, Foppa Pedretti, Ester, and Duca, Daniele
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- 2019
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7. Environmental Impact Assessment of Frozen Peas Production from Conventional and Organic Farming in Italy.
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Boakye-Yiadom, Kofi Armah, Ilari, Alessio, Bisinella, Valentina, Foppa Pedretti, Ester, and Duca, Daniele
- Abstract
Increasing legume intake through dietary diversification confers nutritional and environmental benefits. This study used life cycle assessment to evaluate the environmental impacts of producing frozen green peas from conventional and organic farming. We explored two ways of treating farm data: modeling each farm (baseline) and using a uniform distribution of each farm parameter's average, maximum, and minimum values (alternative). We also assessed the indirect land-use change (iLUC) impacts by applying a deterministic model and used the EF 3.0 method to estimate the midpoint environmental impacts. The results of the two scenarios for pea cultivation (including iLUC) showed notable differences in absolute terms with minor discrepancies in the contribution analysis (e.g., climate change (CC) for the baseline and alternative were 0.98 and 2.09 kg CO
2 eq./kg fresh peas, respectively). Generally, conventional peas had a higher environmental impact than organic peas, although this was not uniformly observed across all farms. When included, iLUC accounted for nearly half of the CC score. Pea cultivation was the most impactful phase due to emissions from fertilizers and field operations. The impacts of pea production can be reduced by anaerobic digestion of pea residues with energy and nutrient recycling. However, improvements in processing and nitrogen use efficiency could significantly enhance the overall environmental performance of frozen green peas. In summary, this study emphasizes the need for sustainable practices to minimize the environmental impact of frozen pea production. [ABSTRACT FROM AUTHOR]- Published
- 2023
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8. Experiments on torrefaction of Dichrostachys cinerea wood: two-level factorial design and thermogravimetric analysis
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Abreu-Naranjo, Reinier, Arteaga Crespo, Yasiel, Foppa Pedretti, Ester, and Conesa, Juan Antonio
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- 2017
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9. Analysis of the characteristics of the tomato manufacturing residues finalized to the energy recovery
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Rossini, Giorgio, Toscano, Giuseppe, Duca, Daniele, Corinaldesi, Fabrizio, Foppa Pedretti, Ester, and Riva, Giovanni
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- 2013
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10. Distribution Quality of Agrochemicals for the Revamping of a Sprayer System Based on Lidar Technology and Grapevine Disease Management.
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Ilari, Alessio, Piancatelli, Simone, Centorame, Luana, Moumni, Marwa, Romanazzi, Gianfranco, and Foppa Pedretti, Ester
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GRAPES ,DISEASE management ,POWDERY mildew diseases ,DOWNY mildew diseases ,LIDAR ,AGRICULTURAL chemicals ,GRAPE diseases & pests - Abstract
Grapevines are one of the most intensely treated crops with a high potential risk to health and biodiversity. Thus, the distribution control of agrochemicals is crucial to obtain a high quality and sustainable product for intensive viticulture. Although the search for systems to reduce the waste of chemical products is consistent in some countries, such as Italy, the machinery used are obsolete. The development of an upgrading system for sprayers can be a good compromise to achieve the pollution reduction without requiring huge investments. Field tests were conducted using a LIDAR-based prototype coupled to a commercial sprayer. This study tested the distribution performance using water-sensitive papers and evaluated the infections of grapevine downy and powdery mildews. The results showed a distribution in the vegetation gaps with a higher frequency in the coverage classes >20% in the standard treatment and 10–15% in the LIDAR treatment. Treatments performed with LiDAR reduced the incidence of downy mildew and severity of powdery mildew. The innovative sprayer reduces the distribution of agrochemicals thanks to the on/off control of the nozzles in the voids of vegetation and, meanwhile, controls vineyard fungal disease, so it can be a good way to meet the sustainability and quality of the production. [ABSTRACT FROM AUTHOR]
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- 2023
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11. Experiments on torrefaction of Dichrostachys cinerea wood: two-level factorial design and thermogravimetric analysis.
- Author
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Abreu-Naranjo, Reinier, Arteaga Crespo, Yasiel, Foppa Pedretti, Ester, and Conesa, Juan
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THERMOGRAVIMETRY ,THERMOBALANCES ,WOOD ,FACTORIAL experiment designs ,STATISTICAL software - Abstract
The aim of this study was to determine the effect of the temperature and reaction time variables on the solid yield and the increment of heating values and composition of torrefied Dichrostachys cinerea wood by using a factorial experiment design and thermogravimetric analysis. The significant factors were identified by means of a two-level factorial design type (2), for which the statistical software Design Expert version 10 was used. Torrefaction and thermogravimetric experimental runs were carried out in a fixed-bed reactor and thermobalance TGA-DTA, respectively. Torrefaction temperature, residence time and their interaction have a significant effect on solid yield, whilst the effect of the temperature was the only statistically significant factor on increment at a high heating value (HHV). The R-Squared values for both response variables were greater than 95% in each case. An increase in torrefied biomass was achieved at HHVs of 14.92 and 30.31% under the conditions of 120 min at 250 and 290 °C, respectively. Thermogravimetric characterisation and DTG-TG curves of the torrefied material suggest that the pre-treated material has been modified chemically and structurally. [ABSTRACT FROM AUTHOR]
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- 2018
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12. European Hophornbeam Biomass for Energy Application: Influence of Different Production Processes and Heating Devices on Environmental Sustainability.
- Author
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Ilari, Alessio, Fabrizi, Sara, and Foppa Pedretti, Ester
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BIOMASS energy ,FOREST biodiversity ,SUSTAINABILITY ,SCIENTIFIC literature ,MANUFACTURING processes ,PRODUCT life cycle assessment ,FOREST management ,ENVIRONMENTAL degradation - Abstract
Environmental sustainability has recently shifted towards biodiversity protection via governmental and intergovernmental initiatives (e.g., the UN Millennium Ecosystem Assessment, MA). The life cycle assessment, the widespread method for assessing environmental sustainability, was not created to evaluate impacts on biodiversity. However, several authors recognize its ability to estimate biodiversity loss drivers (impact indices on land use change and ecosystem). The study aims to apply LCA to the forest sector, precisely to the wood–energy chain of Hophornbeam, to cover suggestions of the MA for the biodiversity impact assessment. Six different scenarios for stove (3) and fireplace (3) wood production were analyzed, evaluating two baselines and four alternative scenarios, including sensitivity analyses related to transport distances for the raw materials. The functional unit is 1 MJ of energy. The fireplace combustion scenarios are relatively more sustainable than the stove ones are (2.95–3.21% less). The global warming potential (around 3 g CO
2 eq/MJ) is consistent with current European directives on the sustainability of biofuels and scientific literature. The scenarios showed similarities regarding the impact of the categories related to MA drivers. Although biodiversity is protected by limiting forest management, some authors argue that for some species (e.g., Hophornbeam), a rational tree felling could produce biofuels, increasing biodiversity. [ABSTRACT FROM AUTHOR]- Published
- 2022
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13. Pellet Production from Residual Biomass of Greenery Maintenance in a Small-Scale Company to Improve Sustainability.
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Ilari, Alessio, Foppa Pedretti, Ester, De Francesco, Carmine, and Duca, Daniele
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WOOD pellets ,RENEWABLE energy sources ,BIOMASS ,WOOD chips ,BLACK locust ,FOSSIL fuels ,POPLARS - Abstract
Replacing fossil energy sources with renewable energy sources is a key strategic action to limit environmental issues. To achieve this goal, substitution with biomass is beneficial due to its versatility in various fields. In terms of circular economy and sustainability, the possibility of energy exploitation of residual biomass is particularly desirable in small-medium enterprises. The use of supply chain by-products can improve sustainability and create opportunities for companies. The purpose of this study is to evaluate the suitability of residual biomass of conifers and broad-leaved trees to produce quality pellets using an agri-pellet machine activated by the power take-off of a tractor. This system can be employed at the farm level. Wood biomass of four species was tested; poplar, stone pine, black locust, and oak. Wood chips samples were analyzed to determine their qualitative characteristics following the technical standard ISO 17225-4. Based on the results, different wood blends were created to produce pellets, subsequently characterized according to ISO 17225-2. The analyses carried out on wood chips and pellets were bulk density, moisture, ash content, calorific value, elemental composition, chlorine, sulfur, and heavy metals. In addition, particles size was measured only for wood chips, while the length, diameter, mechanical durability, and ash melting behaviors were determined only for pellets. Some of the analyzed mixtures show acceptable values according to the current ISO technical standards. The values related to the apparent pellet bulk density and the durability test highlight that not all the mixtures are suitable to produce quality pellets. Results also represent a good starting point for future studies. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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14. Life Cycle Assessment of Spinach Produced in Central and Southern Italy.
- Author
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Foppa Pedretti, Ester, Boakye-Yiadom, Kofi Armah, Valentini, Elena, Ilari, Alessio, and Duca, Daniele
- Abstract
Environmental sustainability continues to attract global interest, especially due to the issue of climate change. The agri-food sector is considered a major contributor to climate change as processes and activities within the sector can negatively impact the environment. The recent changing dietary pattern towards increased vegetable consumption implies a consequent increase in production to meet demand. This study assessed the environmental performance of 1 kg of spinach/FU (Functional Unit) cultivated by different producers in Italy under integrated and organic farming systems. The life cycle assessment was used following the CML_IA impact assessment method. The data used was mainly primary, related to 2019/2020 (harvest period), and representative of the cultivation systems of central and southern Italy. From the results obtained, impact scores for central Italy were higher (e.g., for global warming 0.56 and 0.47 kg CO
2 eq. for central and southern respectively). There was high variability among the scores obtained. However, no statistically significant differences were observed at a confidence level of 95% (p < 0.05). Integrated farming was also more impacting than organic for most categories (e.g., for global warming 0.20 kg CO2 eq. for integrated and 0.075 kg CO2 eq. for organic) in Cerignola, Puglia region. Emissions from fertilizer, pesticide, tillage, and combine harvesting were major contributors to impact shares. The results of this study will be helpful to ensure sustainable spinach production and consumption. [ABSTRACT FROM AUTHOR]- Published
- 2021
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15. Environmental Performance of Chocolate Produced in Ghana Using Life Cycle Assessment.
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Boakye-Yiadom, Kofi Armah, Duca, Daniele, Foppa Pedretti, Ester, and Ilari, Alessio
- Abstract
Ghana is an important cocoa producer and exporter and this production is of high economic importance. Increasing interest in the sustainable productions of cocoa/chocolate necessitated the need to assess the environmental impacts associated with the production of different chocolate variants (extra dark (EDC), dark (DC), milk (MC) and flavoured milk (FMC) in Ghana, including the identification of environmental hotspots for improvement. The life cycle assessment tool was used following the CML_IA and CED impact assessment methods. EDC had the lowest scores for most of the impact categories while FMC was most impactful. For Global Warming Potential (GWP), EDC and FMC were estimated to be 1.61 kg CO
2 eq. and 4.21 kg CO2 eq., respectively. CED ranged from 1.44 × 102 to 1.50 × 102 MJ-eq. Chocolate manufacturing phase was generally more impactful than cocoa cultivation due to high emissions from milk and sugar production. The impact scores for 100 g packaged chocolate bar were the lowest in comparison to 300 g chocolate pouches and 12.5 g packaged chocolate strips. GWP for 100 g and 12.5 g were 0.20 kg CO2 eq. and 0.39 kg CO2 eq., respectively. Comparing different destination points for the manufactured chocolate, impact scores for the international destination were similar to those recorded for local destinations. Improvement options are suggested for all phases to ensure more sustainable chocolate production and distribution. [ABSTRACT FROM AUTHOR]- Published
- 2021
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16. Life Cycle Assessment of Protected Strawberry Productions in Central Italy.
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Ilari, Alessio, Toscano, Giuseppe, Boakye-Yiadom, Kofi Armah, Duca, Daniele, Foppa Pedretti, Ester, Biddoccu, Marcella, and Radicetti, Emanuele
- Abstract
Agricultural activities in Europe cover half of the total area of the continent and are simultaneously a cause of environmental impact and victims of the same impact. Horticultural or fruit crops are considered highly intensive and often employ many crop inputs such as fertilizers, pesticides, and various materials. Strawberry falls into this group, and it has grown in acreage and production more than others globally. The aim of this study is to compare the environmental impact of two strawberry cultivation systems in central Italy, a mulched soil tunnel and a soilless tunnel system. The method used to assess the impact is LCA, widely applied in agriculture and supported by international standards. The data used are mainly primary, related to 2018, and representative of the cultivation systems of central Italy. For impact assessment, the method selected was the CML_IA baseline version. From the results obtained, the two systems show a similar impact per kg of strawberries produced (e.g., for global warming: 0.785 kg CO
2 eq for soilless, 0.778 kg CO2 eq for mulched soil tunnel). Reduced differences can be observed for the use of crop inputs (greater for the tunnel) and the use of materials and technology (greater for soilless). The mitigation measures considered concern the replacement of the packaging (excluding plastic) and the growing medium of the soilless using perlite and compost from insect breeding. [ABSTRACT FROM AUTHOR]- Published
- 2021
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17. Environmental Sustainability of Heating Systems Based on Pellets Produced in Mobile and Stationary Plants from Vineyard Pruning Residues.
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Ilari, Alessio, Toscano, Giuseppe, Foppa Pedretti, Ester, Fabrizi, Sara, and Duca, Daniele
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HEATING ,SUSTAINABILITY ,WOOD ash ,POTASSIUM fertilizers ,PELLETIZING ,MOBILE health ,FACTORIES ,HARVESTING - Abstract
The impact of heat production from vineyard pruning pellets has been evaluated in this paper. The study considers two different systems: the first one based on a mobile pelletizer (PS1) and the second one based on a stationary pellet plant (PS2). The analysis conducted is from "cradle to grave"; the systems under analysis includes pruning harvesting, transport to storage area, pelletization (mobile system or stationary production plant), transport to consumer and combustion. The functional unit selected is 1 MJ of thermal energy produced. The impact assessment calculation methods selected are Eco-Indicator 99 (H) LCA Food V2.103/Europe EI 99 H/A with a midpoint and endpoint approach, and ReCiPe Midpoint (H) V1.10. Considering Life Cycle Assessment results, Eco-indicator shows a total impact of 4.25 and 4.07 mPt for mobile pelletizer and stationary pellet plant, respectively. Considering the three damage categories, PS1 has values of 2.4% (Human Health), 3.8% (Ecosystem Quality) and 17.3% (Resources), more impactful than PS2. Contribution analysis shows that direct emissions are the major damage contributor, followed by wood ash management. From a comparison between the baseline scenario and a scenario with an avoided product (wood ash as a standard potassium fertilizer), PS1 and PS2 with an avoided product approach are 41% and 40% less impactful than in the baseline scenarios. When testing the impact of mobile pelletizer while considering transportation as a factor, a reduction of distance for pellet has been evaluated. Reducing the distance from 100 to 10 km, the total impact of PS1 almost reaches the impact of PS2 with a difference of around 4.6% (Eco-indicator 99 method). The most impactful processes are pellet production, direct emissions and ash management, while a less impactful factor is the electricity consumption. Transportation shows the lowest impact. Considering the ReCiPe impact calculation method with a midpoint approach, the results confirm what was found with Eco-indicator 99; the PS1 shows a slightly higher impact than PS2. [ABSTRACT FROM AUTHOR]
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- 2020
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18. Experimental Study to Support Local Sunflower Oil Chains: Production of Cold Pressed Oil in Central Italy.
- Author
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Foppa Pedretti, Ester, Del Gatto, Andrea, Pieri, Sandro, Mangoni, Lorella, Ilari, Alessio, Mancini, Manuela, Feliciangeli, Gabriele, Leoni, Elena, Toscano, Giuseppe, and Duca, Daniele
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SUNFLOWER seed oil ,SUNFLOWER seeds ,SUPPLY chain management ,SEED quality ,WASTE products - Abstract
Sunflower is one of the most important oilseed crops cultivated in the world for different purposes. In Italy, the production is mostly located in the central area, representing 70% of Italian production. The market demand for sunflower oil is higher than the national production. There is an increasing request for cold pressed sunflower oil for food application. The success of this activity is linked to a correct setting up and management of the production and supply chain with a valorization of products and by-products. To this aim, information is needed, and this paper is focused on the cultivation of sunflower in central Italy using suitable hybrids, as well as on the study of the cold extraction performance of the sunflower seed produced and the quality of by-products and residues. Results indicate that, on average, a range of about 1.0–1.5 t ha
−1 of cold pressed oil and different amounts of by-products can be obtained. According to a proposed scenario, 30 ha cultivated with sunflower are needed to create a complete supply chain within the farm, avoiding many additional passages and maintaining all the value for the farmer. It is important to use suitable hybrids for obtaining good yield, but also the cold extraction performances are important because they also affect the quality of by-products and residues that can be valorized themselves to improve sustainability. [ABSTRACT FROM AUTHOR]- Published
- 2019
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19. Adaptability of sunflower (Helianthus annuus L.) high oleic hybrids to different Italian areas for biodiesel production.
- Author
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Del Gatto, Andrea, Mengarelli, Chiara, Foppa Pedretti, Ester, Duca, Daniele, Pieri, Sandro, Mangoni, Lorella, Signor, Marco, Raccuia, Salvatore Antonino, and Melilli, Maria Grazia
- Subjects
- *
COMMON sunflower , *OLEIC acid , *BIODIESEL fuels , *GENETIC testing , *GENOTYPES , *AGRICULTURAL wastes - Abstract
Currently the biodiesel chain is promoted by the European energy policy. For the Italian scenario the sunflower is one of the most important crop to be considered for biodiesel production but the chain is not fully profitable. This problem could be solved with the increase of farm incomes through a proper valorization of by-products. From this point of view the oilseed crop is not considered only for oil production but also for producing multiple products with the same economic value. This is the main inspiring concept of the Extravalore project. The sub-project “Raw Materials” investigated about the possible influence of different agro-technics performed in three distinct geographical environments (Northern, Central and Southern Italy) on the characteristics of by-products obtained from sunflower crop. A national net of experimental tests was set during the 2010–2013 period in order to evaluate the adaptability and the potential production of high oleic sunflower hybrids. 7 seed companies supplied the 20 genotypes assessed in total (18 high oleic hybrids and 2 as control), 11 of them were evaluated all the three years. Achene yields of tested high oleic hybrids were extremely variable: from 2.05 t ha −1 to 4.04 t ha −1 in Northern Italy, from 2.50 t ha −1 to 4.24 t ha −1 in Central Italy and from 2.09 t ha −1 to 2.68 t ha −1 in Southern Italy. For this reason, it was necessary a precise characterization of varieties before their cultivation. The cultivar screening showed general difficulty for high oleic hybrids to reach the performances of achene and oil yields of the conventional ones. In particular, LG55.57HO and PR64H31 resulted the best high oleic cultivars for Northern Italy; many of the high oleic tested cultivars performed well for Central Italy and also for Southern Italy but with a higher variability. The highest potential production was registered in Central Italy; Northern Italy gave decreased but similar results, despite the different latitude; in Southern Italy the productions were 20–30% lower, even with the irrigation support. All high oleic tested cultivars showed oleic acid content in lipid fraction always above the 84% in Central Italy, meaning a stability of the character, very important for the biodiesel production. [ABSTRACT FROM AUTHOR]
- Published
- 2015
- Full Text
- View/download PDF
20. A comparative study of oilseed crops (Brassica napus L. subsp. oleifera and Brassica carinata A. Braun) in the biodiesel production chain and their adaptability to different Italian areas.
- Author
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Del Gatto, Andrea, Melilli, Maria Grazia, Raccuia, Salvatore Antonino, Pieri, Sandro, Mangoni, Lorella, Pacifico, Daniela, Signor, Marco, Duca, Daniele, Foppa Pedretti, Ester, and Mengarelli, Chiara
- Subjects
- *
OILSEEDS , *BIODIESEL fuels , *GENOTYPES , *BRASSICA , *AGRONOMY - Abstract
The Extravalore project aims to give added value to oilseed crops, considering them also for producing multiple products with the same economic value and being interesting for the market thanks to their various utilizations. An evaluation of the main cultivars of Brassica napus subsp. oleifera and Brassica carinata has been performed within the project, analyzing them in three Italian locations with different climatic conditions (Palazzolo dello Stella – North Italy, Osimo – Central Italy, Cassibile – South Italy) to assay their adaptability and production potential. During the 2010–2013 period, 43 varieties of rapeseed were evaluated, but only 13 of them for all the period considered; moreover, also 4 varieties of B. carinata were tested. The seed yields of tested cultivars of rapeseed varied a lot among locations, depending also by the seasonal trend. Central Italy was the less disadvantaged by climatic conditions: on average, it was reached a seed yield of 4 t ha −1 , a theoretical oil production of 1.63 t ha −1 and more than 8 t ha −1 of crop residues. In Northern and Southern Italy, if compared with Central Italy values, the seed yields were both lower than 30% and theoretical oil productions lower than 60%; moreover, crop residues in Northern Italy were 12% lower than in Central Italy while in Southern Italy 65% lower. The agronomic behavior of varieties differed a lot among the three experimental areas: DK Expower was the best at North; Albatros, Artoga, Exagone and Excalibur in Central Italy; Excalibur, Zoom and PR46W14 at South Italy but none of them reached a seed yield of 2 t ha −1 . Concerning B. carinata , the cultivars did not give good productions in any of the experimental areas, mainly because of the low oil content in the seeds. Even in Central Italy, where the best results were registered, the seed yield was on average 28% lower than in rapeseed and oil production 10% lower; the crop residues were double than rapeseed. In any case, the valorization of the crop residues is important with a wide range of possible utilization from the direct energetic use to the biochemicals extraction with consequent environmental advantages due to the substitution of dedicated or fossil feedstock with crop residues. [ABSTRACT FROM AUTHOR]
- Published
- 2015
- Full Text
- View/download PDF
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