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

Author

Listed:
  • Debora Puglia

    (Department of Civil and Environmental Engineering, University of Perugia, 05100 Terni, Italy
    Equal contribution as first authors.)

  • Daniela Pezzolla

    (Department of Civil and Environmental Engineering, University of Perugia, 06125 Perugia, Italy
    Equal contribution as first authors.)

  • Giovanni Gigliotti

    (Department of Civil and Environmental Engineering, University of Perugia, 06125 Perugia, Italy)

  • Luigi Torre

    (Department of Civil and Environmental Engineering, University of Perugia, 05100 Terni, Italy)

  • Maria Luce Bartucca

    (Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121 Perugia, Italy)

  • Daniele Del Buono

    (Department of Agricultural, Food and Environmental Sciences, University of Perugia, 06121 Perugia, Italy)

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.

Suggested Citation

  • Debora Puglia & Daniela Pezzolla & Giovanni Gigliotti & Luigi Torre & Maria Luce Bartucca & Daniele Del Buono, 2021. "The Opportunity of Valorizing Agricultural Waste, Through Its Conversion into Biostimulants, Biofertilizers, and Biopolymers," Sustainability, MDPI, vol. 13(5), pages 1-25, March.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:5:p:2710-:d:509398
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    References listed on IDEAS

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    1. Mariangela Diacono & Alessandro Persiani & Elena Testani & Francesco Montemurro & Corrado Ciaccia, 2019. "Recycling Agricultural Wastes and By-products in Organic Farming: Biofertilizer Production, Yield Performance and Carbon Footprint Analysis," Sustainability, MDPI, vol. 11(14), pages 1-17, July.
    2. Andrea Colantoni & Lucia Recchia & Guido Bernabei & Mariateresa Cardarelli & Youssef Rouphael & Giuseppe Colla, 2017. "Analyzing the Environmental Impact of Chemically-Produced Protein Hydrolysate from Leather Waste vs. Enzymatically-Produced Protein Hydrolysate from Legume Grains," Agriculture, MDPI, vol. 7(8), pages 1-9, July.
    3. Aguilera, Eduardo & Díaz-Gaona, Cipriano & García-Laureano, Raquel & Reyes-Palomo, Carolina & Guzmán, Gloria I. & Ortolani, Livia & Sánchez-Rodríguez, Manuel & Rodríguez-Estévez, Vicente, 2020. "Agroecology for adaptation to climate change and resource depletion in the Mediterranean region. A review," Agricultural Systems, Elsevier, vol. 181(C).
    4. John A. Mathews & Hao Tan, 2016. "Circular economy: Lessons from China," Nature, Nature, vol. 531(7595), pages 440-442, March.
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    Cited by:

    1. Ieva Mežaka & Arta Kronberga & Marta Berga & Laura Kaļāne & Laura Pastare & Gundars Skudriņš & Ilva Nakurte, 2023. "Biochemical and Physiological Responses of Cucumis sativus L. to Application of Potential Bioinsecticides—Aqueous Carum carvi L. Seed Distillation By-Product Based Extracts," Agriculture, MDPI, vol. 13(5), pages 1-17, May.
    2. Aniruddha Sarker & Mithun Kumar Ghosh & Tofazzal Islam & Muhammad Bilal & Rakhi Nandi & Md Lamiur Raihan & Mohammad Nabil Hossain & Juwel Rana & Subrato Kumar Barman & Jang-Eok Kim, 2022. "Sustainable Food Waste Recycling for the Circular Economy in Developing Countries, with Special Reference to Bangladesh," Sustainability, MDPI, vol. 14(19), pages 1-18, September.

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