Use of Recalcitrant Agriculture Wastes to Produce Biogas and Feasible Biofertilizer

Panuccio, Maria Rosaria; Attinà, Emilio; Basile, Carmelo; Mallamaci, Carmelo; Muscolo, Adele

doi:10.1007/s12649-015-9445-5

Cited by 45 publications

(17 citation statements)

References 40 publications

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“…The first one was related to the chemical transformations that occurred during the thermal process, which generated new and complex substances; these frequently affect living organisms in a negative way ( Khavazi et al, ; Wang et al, ). The second phenomenon is the differential response of each plant species used in the phytotoxicity test to such substances ( Panuccio et al, ). Apparently, some of the substances generated in the sterilization process were toxic for tomato and cress at the 20% dilution (Tab.…”

Section: Resultsmentioning

confidence: 90%

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Innovative liquid formulation of digestates for producing a biofertilizer based on Bacillus siamensis: Field testing on sweet pepper

Pastor-Bueis

Mulas

Gómez

et al. 2017

J. Plant Nutr. Soil Sci.

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A biofertilizer (BF) based on the plant growth promoting rhizobacterium (PGPR) Bacillus siamensis was produced using anaerobic digestate (AD) as the main ingredient of the growth medium, alongside a carbon source from residual origin. The use of residues for the growth of PGPR reduces the production costs of biofertilizers, but makes an assessment of the possible toxicity of residues for the bacteria or plants necessary. Therefore, the growth medium of PGPR was first optimized using the response surface methodology (RSM), followed by phytotoxicity tests and a field trial of the BF in a sweet pepper (Capsicum annuum L.) crop at two different locations. AD at 50% dilution, supplemented with 2.3% sugar beet molasses, was the optimum growth medium for producing the BF, with a bacterial concentration of 109 cfu mL−1. In the field trial, the treatments inoculated with BF and fertilized with decreased mineral N (80%) produced significantly better yields per ha than the controls with decreased N (80%) and full N (100%) without BF. This indicates improved efficiency of N use by the crop, as a consequence of the use of BF.

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Section: Resultsmentioning

confidence: 90%

“…The assessment of phytotoxicity is necessary prior to the use of any kind of residue in agriculture ( Panuccio et al, ), and also in the development of a biofertilizer ( Kantha et al, ). The tests show that pure products were highly phytotoxic and prevented the germination of the seeds in most cases (Tab.…”

Section: Resultsmentioning

confidence: 99%

Innovative liquid formulation of digestates for producing a biofertilizer based on Bacillus siamensis: Field testing on sweet pepper

Pastor-Bueis

Mulas

Gómez

et al. 2017

J. Plant Nutr. Soil Sci.

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“…Organic C was detected and converted to organic matter by multiplying the percentage of C by 1.72. 23 Total N (Kjeldahl method) was assessed as in Bremner and Mulvaney. 24 Phenols were extracted with distilled water following the procedure of Kaminsky and Müller 25,26 Total water-soluble phenols (WSP, including monomeric phenols and polyphenols) were determined with Folin-Ciocalteu reagent using tannic acid as standard.…”

Section: Methodsmentioning

confidence: 99%

“…Electrical conductivity (EC) was measured in a suspension of distilled water (dry material/water 1:2.5 w/v) using a conductimeter. Organic C was detected and converted to organic matter by multiplying the percentage of C by 1.72 . Total N (Kjeldahl method) was assessed as in Bremner and Mulvaney .…”

Section: Methodsmentioning

confidence: 99%

Sulfur bentonite‐organic‐based fertilizers as tool for improving bio‐compounds with antioxidant activities in red onion

et al. 2019

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BACKGROUND Red onion is popular in cuisines worldwide and is valued for its potential medicinal properties. Red onion is an important source of several phytonutrients such as flavonoids, thiosulfinates and other sulfur compounds, recognized as important elements of the diet. Nowadays, there is the need of producing food enriched in health benefit compounds. In this study, pads of sulfur bentonite (SB) with the addition of orange residue (OR) or olive pomace (OP) were used to improve the quality of red onion. The experiment was conducted for 3 months in the field to evaluate the phytochemicals of differently amended red onion. RESULTS Treated plants were better in quality than controls. Antioxidant activity, detected as DPPH, ORAC and ABTS, was highest in plants grown in the presence of SB enriched with agricultural wastes, particularly SB‐OR. Polyphenols increased in all treated plants. The volatile fraction was clearly dominated by sulfur compounds that are strictly related to the concentration of the aroma precursors S‐alkenyl cysteine sulfoxides. The greater amount of thiosulfinates in treated compared with untreated onion evidenced that SB pelletized with agricultural wastes can represent a new formulation of organic fertilizer able to improve the beneficial properties of onion. The results highlighted that the best red onion quality was obtained using SB‐OR pads. CONCLUSION The use of SB bound with agricultural wastes represents a novel strategy to increase bio‐compounds with beneficial effects on human health, to enhance the medical and economic values of sulfur‐loving crops, with important consequences on the bio and green economy. © 2019 Society of Chemical Industry

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“…However, even though the number of fruits and vegetable wasted every year are estimated to be around 484 million, the volume of waste produced does not predict the availability of agricultural waste for conversion into biomaterials. Indeed, a large quantity is employed in other competing applications such as bio-fertilizer and biogas production [ 148 ]. In addition, not all the routes proposed for obtaining bio-materials are applicable on a large scale, since sometimes they require extensive and advanced processing.…”

Section: Environmental Impacts Of Agro-food Waste Based Bioplasticmentioning

confidence: 99%

Natural Polymeric Materials: A Solution to Plastic Pollution from the Agro-Food Sector

Pascale²,

et al. 2021

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Conventional petroleum-derived plastics represent a serious problem for global pollution because, when discarded in the environment, are believed to remain for hundreds of years. In order to reduce dependence on fossil resources, bioplastic materials are being proposed as safer alternatives. Bioplastics are bio-based and/or biodegradable materials, typically derived from renewable sources. Food waste as feedstock represents one of the recent applications in the research field of bioplastics production. To date, several food wastes have been used as raw materials for the production of bioplastics, including mostly fruit and vegetable wastes. The conversion of fruit and vegetable wastes into biomaterials could occur through simple or more complex processes. In some cases, biopolymers extracted from raw biomass are directly manufactured; on the other hand, the extracted biopolymers could be reinforced or used as reinforcing agents and/or natural fillers in order to obtain biocomposites. The present review covers available results on the application of methods used in the last 10 years for the design of biomaterials obtained from formulations made up with both fruits and vegetables by-products. Particular attention will be addressed to the waste pre-treatment, to the bioplastic formulation and to its processing, as well as to the mechanical and physical properties of the obtained materials.

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Use of Recalcitrant Agriculture Wastes to Produce Biogas and Feasible Biofertilizer

Cited by 45 publications

References 40 publications

Innovative liquid formulation of digestates for producing a biofertilizer based on Bacillus siamensis: Field testing on sweet pepper

Innovative liquid formulation of digestates for producing a biofertilizer based on Bacillus siamensis: Field testing on sweet pepper

Sulfur bentonite‐organic‐based fertilizers as tool for improving bio‐compounds with antioxidant activities in red onion

Natural Polymeric Materials: A Solution to Plastic Pollution from the Agro-Food Sector

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