Cited by 197Plant Growth Enhancement TechniquesAgriculture, Plant Science, Crop ManagementPolymer-Based Agricultural Enhancements

The Opportunity of Valorizing Agricultural Waste, Through Its Conversion into Biostimulants, Biofertilizers, and Biopolymers

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Puglia, Debora, Pezzolla, Daniela, Gigliotti, Giovanni, Torre, Luigi, Bartucca, Maria Luce, Del Buono, Daniele·2021·Sustainability

Abstract

The problems arising from the limited availability of natural resources and the impact of certain anthropogenic activities on the environment must be addressed as soon as possible. To meet this challenge, it is necessary, among other things, to reconsider and redesign agricultural systems to find more sustainable and environmentally friendly solutions, paying specific attention to waste from agriculture. Indeed, the transition to a more sustainable and circular economy should also involve the effective valorization of agricultural waste, which should be seen as an excellent opportunity to obtain valuable materials. For the reasons mentioned above, this review reports and discusses updated studies dealing with the valorization of agricultural waste, through its conversion into materials to be applied to crops and soil. In particular, this review highlights the opportunity to obtain plant biostimulants, biofertilizers, and biopolymers from agricultural waste. This approach can decrease the impact of waste on the environment, allow the replacement and reduction in the use of synthetic compounds in agriculture, and facilitate the transition to a sustainable circular economy.

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Crossref · 10.3390/su13052710

Cites

152 of 152 references verified0 citation errors · 0 not checkable

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  • One primary advantage of digestate as fertilizer is its ability to serve as a long-lasting source of nutrients, gradually released and absorbed by plants over an extended duration.

    “One of the primary advantages associated with the utilization of digestate as a fertilizer is digestate ability to serve as a long-lasting source of nutrients, gradually released and absorbed by plants over an extended duration [137].”
  • Using biofertilizers in agriculture allows for the return of vital nutrients to the soil from waste generated by agricultural operations, completing the circular bioeconomy loop.

    “The circular bioeconomy loop is completed by using biofertilizers in agriculture since they allow for the return of vital nutrients to the soil from waste generated by agricultural operations [137].”

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Authors
Puglia, D., Pezzolla, D., Gigliotti, G., Torre, L., Bartucca, M. L., & Del Buono, D.
Affiliations
  • Department of Civil and Environmental Engineering, University of Perugia, 05100 Terni, Italy
  • University of Perugia (IT)
  • Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121 Perugia, Italy
Corresponding author
Gigliotti, Giovanni
Venue
Sustainability
Publisher
MDPI AG
Published
2021-03-03
Volume
13
Issue
5
Pages
2710
ISSN
2071-1050 (ISSN-L)
OpenAlex
W3134872569
Cited by
197
References
152
Citations by year
2026: 36 · 2025: 43 · 2024: 49 · 2023: 36 · 2022: 23 · 2021: 10
FWCI
17.74
Type
journal article
Language
en
Open access
Locations
  • Sustainability (publishedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Growth Enhancement Techniques
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Agriculture, Plant Science, Crop Management
  • Physical Sciences › Engineering › Biomedical Engineering › Polymer-Based Agricultural Enhancements
Keywords
agricultural waste valorization, biostimulants, biofertilizers, biopolymers, circular economy, sustainable agriculture, soil amendment

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