Special Issue "New Technological Solutions and Process Development in the Circular Bio-Economy"

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Agricultural Engineering".

Deadline for manuscript submissions: 10 March 2021.

Special Issue Editors

Dr. Csaba Fogarassy
Website SciProfiles
Guest Editor
Climate Change Economics Research Centre, Faculty of Economics and Social Sciences, Szent Istvan University, 2100 Gödöllő, Hungary
Interests: circular economy; bio-economy; renewable energy systems; business innovation; biological production, climate change economy
Special Issues and Collections in MDPI journals
Prof. Dr. Csaba Gyuricza
Guest Editor
Department of Soil Management, Institute of Crop Production, Szent Istvan University, 2100 Gödöllő, Hungary
Interests: soil cultivation and use; green manure management; energy crops; agroforestry; minimum tillage; sustainable crop management; climate change adaption
Prof. Dr. Richard Cruse
Guest Editor
Iowa Water Center, Agronomy Department, Iowa State University, IA 50011-1051, USA
Interests: soil and crop management; applied soil physics; soil fertility; soil physical properties; soil and water conservation; crop growth and yield

Special Issue Information

Dear Colleagues,

The bio-economy consists of the production and transformation of biomass, which is used to provide food, feed, materials, energy, and connected services. Topics related to climate-friendly and sustainable technological solutions and development processes is the focus of scientific research. The evaluation of national and regional bio-economy plans and the presentation of models play a key role in the green innovation processes of the sectors. The presentation, scientific analysis, and presentation of adaptation possibilities of new circular technological solutions related to the production of food and other biomass products are very important for the development of sustainable system solutions. We can envisage replacing fossil-based materials and energy with bio-based solutions in the future, potentially reducing environmental pressures while strengthening green innovation and creating new jobs. The focus areas of the Special Issue are circular biomass production, circular bio-based manufacturing, and bio-based services.

Dr. Csaba Fogarassy
Prof. Dr. Csaba Gyuricza
Prof. Dr. Richard M. Cruse
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agronomy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.


  • circular bio-economy
  • biomass-based energy production
  • circular biogas production
  • bio-based manufacturing
  • food waste management
  • knowledge-based bioeconomy
  • open innovation
  • precision farming
  • bigdata and data platform using
  • circular water management

Published Papers

This special issue is now open for submission, see below for planned papers.

Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: The Role and Possibilities of Energy Plantations in the Irrigation Utilization of Effluent Water
Authors: Csaba Gyuricza; Bakti Beatrix; Richard Cruse; Csaba Fogarassy
Affiliation: Department of Soil Management, Institute of Crop Production, Szent Istvan University, 2100 Gödöllő, Hungary
Abstract: The development of agricultural water management, including irrigation, will be an important development goal in the coming years, which will make a strong contribution to reducing the sector's climate exposure and to the continuous climate adaptation of production conditions. Within this, great emphasis should be placed on the secondary use of water used in aquaculture systems, which can be a key area of the circular economy. One possible way to do this is to transfer agricultural effluent water to energy feeds. Irrigation with nutrient-rich used water that endangers surface waters can achieve higher biomass yields in woody energy plantations. The higher mass of biomass produced can be incorporated into energy supply systems, thus reducing the operating costs of water treatment plants.

Title: The Potential Role of Wastewater Treatment Plants in the Circular Economy
Authors: Attila Bai; Peter Balogh; Zoltan Gabnai
Affiliation: Department of Business Economics, University of Debrecen, HU-4032 Debrecen, Hungary
Abstract: Nowadays the approach of wastewater treatment plants is becoming increasingly important, according to which these plants can be considered not only as a place of purification activity, but also as a source of energy and raw materials. By integrating various technological elements into one circular system, we can significantly contribute to sustainable energy and nutrient management, and thus to local self-sufficiency and CO2-emission reduction efforts. In our article, we present the related possibilities and benefits with a case study and by conducting different analyzes and estimations.

Title: Circular Bio-Economy as a Possible Tool to Counterbalance the Shrinkage of Food Supplying Land around Budapest
Authors: Cecilia Szigeti; Zoltan Kovacs; Jeno Zsolt Farkas; Gabor Harangozo
Affiliation: Faculty of Economics, Széchenyi István University, Győr, Hungary
Abstract: Due to robust urban sprawl the conversion of agricultural land to artificial surfaces has intensified since the turn of the millennium, and the traditional metropolitan food supply area around Budapest has nearly disappeared. The city is the biggest fresh food market and processor of agricultural products in Hungary, but this demand can no longer be met locally, only by involving more remote areas, which contributes to higher food prices, longer supply chains and bigger carbon footprint that are economically and environmentally equally unsustainable. The paper investigates the long-term changes of biocapacity in the metropolitan region of Budapest and highlights the potentials of circular bio-economy.

Title: The Global Cycle and Process Development Potential of Food Security, Obesity, Hunger and Food Waste
Authors: Gergely Toth; Janos Zachar
Affiliation: Szent István University, Hungary
Abstract: The background of food waste is dissonant in different economic systems, so its macro- and microeconomic approach is also completely different in different countries. The relationship of obesity, hunger and food waste has not yet been explored in a structured framework, data are available, but scattered. In the paper we propose a unified framework of comparable data, as a first step to map up the biggest missing, or at least wobbling circle of modern bio-economy: global food supply. Thinking globally is a first step toward process development in food justice, and a solution to UN sustainable development goals (SDG 2, 1, 3 and 10).

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