Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
5.2
3.7
Journals
Agronomy
Special Issues
Recycling Agricultural, Industrial, and Municipal Byproducts While Enhancing Agricultural Production...
share announcement

Recycling Agricultural, Industrial, and Municipal Byproducts While Enhancing Agricultural Production and Protecting the Environment–Volume II

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Soil and Plant Nutrition".

Deadline for manuscript submissions: 31 May 2024 | Viewed by 4924

Special Issue Editors

Dr. Kyoung S. Ro

E-Mail Website
Guest Editor
Coastal Plains Soil, Water, and Plant Research Center, Agricultural Research Service, U.S. Department of Agriculture, 2611 West Lucas Street, Florence, SC 29501, USA
Interests: fugitive gas emission; biofuels; hydrothermal carbonization; biochar/hydrochar
Special Issues, Collections and Topics in MDPI journals
Dr. Ariel A. Szogi

E-Mail Website
Guest Editor
Coastal Plains Soil, Water, and Plant Research Center, Agricultural Research Service, U.S. Department of Agriculture, 2611 West Lucas Street, Florence, SC 29501, USA
Interests: nutrient recovery from animal agriculture and their use in crop production
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Global agricultural production efficiency has increased at a high cost for the environment. Adapting circular agricultural practices amid global population increases is required to sustain the intensive food and fiber production while protecting our precious environment. This Special Issue aims to bring together research on emerging technologies and practices to enhance soil productivity and reduce environmental and human health risks that may arise from reducing greenhouse gas emissions and utilizing and recycling agricultural, industrial, and municipal by-products. More specific topics covered in this Special Issue include, but are not limited to, the following:

  • Agricultural, industrial, and municipal by-products used as soil amendments, fertilizer sources, or environmental sorbents, such as manure solids, municipal biosolids, compost, biochar/hydrochar, and organo-mineral fertilizers;
  • Mitigation of pesticides, microplastics, pharmaceutical active compounds, and heavy metal contamination in soils;
  • Reduction of greenhouse gas emissions to the atmosphere;
  • Innovative waste-to-energy strategies.

Dr. Kyoung S. Ro
Dr. Ariel A. Szogi
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 submissions that pass pre-check are 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 2600 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.

Keywords

  • circular agriculture
  • byproduct utilization
  • greenhouse gas emission
  • fugitive gas emissions/deposition
  • soil health
  • waste-to-energy
  • carbon sequestration

Published Papers (3 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

14 pages, 2531 KiB  
Article
Characterization of Products from Catalytic Hydrothermal Carbonization of Animal Manure
by Saeed V. Qaramaleki, Jose Cardenas, Michael A. Jackson, David L. Compton, Ariel A. Szogi, Kyoung S. Ro and Charles J. Coronella
Agronomy 2023, 13(9), 2219; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy13092219 - 25 Aug 2023
Cited by 1 | Viewed by 1055
Abstract
This paper presents hydrothermal carbonization (HTC) of cow and pig manure in an acidic environment and compares the results with HTC performed without acid. HTC experiments were carried out at 170 °C for 10 min. The presence of an acid increased the extent [...] Read more.
This paper presents hydrothermal carbonization (HTC) of cow and pig manure in an acidic environment and compares the results with HTC performed without acid. HTC experiments were carried out at 170 °C for 10 min. The presence of an acid increased the extent of carbonization and energy densification for both types of manure. The heating value of the hydrochar was increased by an amount ranging from 9–21%, with sulfuric acid having a greater impact than acetic acid. The increased fuel densification may provide for more economic use as a fuel. Both acids increased the leaching of ionic species including PO4, Ca, K, Mg, and Fe. The results demonstrated conversion greater than 90% of total phosphorous to phosphate in hydrothermal conditions. HTC with sulfuric acid resulted in increased nitrogen leaching for both types of manure and resulted in the generation of ammonia. Further analysis of the aqueous products signified the formation of acetic acid, furfural, and 3-aminopyrazine 1-oxide compounds for the sulfuric acid-catalyzed hydrothermal treatment. Analysis of the residual gas confirmed the presence of a trace amount of H2S, NO2, and SO2 formation. The addition of sulfuric acid increased NO2 significantly. Finally, detailed mass balances are presented for carbon and macronutrients (NPK). Full article
(This article belongs to the Special Issue Recycling Agricultural, Industrial, and Municipal Byproducts While Enhancing Agricultural Production and Protecting the Environment–Volume II)
►▼ Show Figures

Figure 1

17 pages, 2059 KiB  
Article
Application of Dairy Effluents to Pastures Affects Soil Nitrogen Dynamics and Microbial Activity
by Gabriela Illarze, Amabelia del Pino, Andrea Rodríguez-Blanco and Pilar Irisarri
Agronomy 2023, 13(2), 470; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy13020470 - 05 Feb 2023
Cited by 1 | Viewed by 1432
Abstract
The use of farm dairy effluents (FDE) has become a promising alternative to increase pasture yield while reducing the environmental impact of waste accumulation into streams, but other environmental implications should be considered. The present study aimed to assess the effect of application [...] Read more.
The use of farm dairy effluents (FDE) has become a promising alternative to increase pasture yield while reducing the environmental impact of waste accumulation into streams, but other environmental implications should be considered. The present study aimed to assess the effect of application of either raw FDE or lagoon-stored FDE compared to dissolved urea or a non-amended control on N2O emission, soil N dynamics, functional microbial activity, and the yield and N-use efficiency of a fescue pasture. The normalized N application rate of 200 kg N ha−1 was divided into four seasonal events in a greenhouse experiment. Similar fescue forage production with FDE or urea positioned FDE application to soil as an alternative disposal. The repeated application of raw effluent delivered more organic C to the soil which induced an increase in enzyme activities, a shift in the catabolic activity of the soil microbial community, and greater N mineralization potential. On the other hand, urea addition decreased the functional activity of the soil microbial community. However, N2O emissions were greater for the raw effluent, so lagoon-stored effluent is an alternative to manage FDE under these conditions, avoiding urea addition and enhancing soil metabolic activity. Full article
(This article belongs to the Special Issue Recycling Agricultural, Industrial, and Municipal Byproducts While Enhancing Agricultural Production and Protecting the Environment–Volume II)
►▼ Show Figures

Figure 1

15 pages, 1550 KiB  
Article
Utilization of Thermophilic Aerobic Oxidation and Electrocoagulation to Improve Fertilizer Quality from Mixed Manure Influent
by Joshua Nizel Halder, Myung-Gyu Lee, Soo-Ryang Kim and Okhwa Hwang
Agronomy 2022, 12(6), 1417; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy12061417 - 13 Jun 2022
Viewed by 1684
Abstract
Thermophilic aeration and electrochemical reactions are well-established methods for wastewater treatment to reduce metallic content, organic and inorganic matter, turbidity, coloration, and nutrient levels. In this study, thermophilic aerobic oxidation (TAO) and electrocoagulation (EC) were implemented together to improve the quality of liquid [...] Read more.
Thermophilic aeration and electrochemical reactions are well-established methods for wastewater treatment to reduce metallic content, organic and inorganic matter, turbidity, coloration, and nutrient levels. In this study, thermophilic aerobic oxidation (TAO) and electrocoagulation (EC) were implemented together to improve the quality of liquid fertilizer by reducing the nutrient load and toxicity of swine manure. The influent in this study was prepared by mixing anaerobic digestate and liquid swine manure at a 1:9 ratio and treating it for 3 days at 50–60 °C in a field-scale TAO system. The TAO effluent was then processed in an EC reactor for 180 min with a 30 V electric supply through two sets of iron and aluminum hybrid electrodes. The combined TAO and EC processes led to a germination index of 133% using the final efflux. The high retention of important nutrients such as total nitrogen and potassium, combined with the 100% reduction in heavy metals, over 60% reduction in trace minerals, and 89% reduction in pollutants in the final product, helped to achieve a higher germination index. Overall, the combination of TAO and EC was demonstrated to be an effective technique for enhancing the quality of liquid fertilizer derived from swine manure. Full article
(This article belongs to the Special Issue Recycling Agricultural, Industrial, and Municipal Byproducts While Enhancing Agricultural Production and Protecting the Environment–Volume II)
►▼ Show Figures

Figure 1

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-3
Back to TopTop