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Agronomy
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Waste to Wealth: Resource Utilization of Agricultural Waste through Effective...
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Waste to Wealth: Resource Utilization of Agricultural Waste through Effective Biomass Management

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

Deadline for manuscript submissions: 30 November 2024 | Viewed by 411

Special Issue Editor

Dr. Anabel Fernandez

E-Mail Website
Guest Editor
Institute of Chemical Engineering, Faculty of Engineering, National University of San Juan, Group Linked to PROBIEN (CONICET-UNCo), San Juan, Argentina
Interests: agricultural waste management; bio-waste; renewable energy

Special Issue Information

Dear Colleagues,

Agricultural biomasses refer to organic materials produced seasonally on Earth. These biomasses, which are crucial for both the survival of animals and humans, occur naturally and are abundant. They serve as vital energy sources and can be transformed into various useful products. Crop residues and animal waste, constituting biomass, hold significant potential for energy conversion in the energy sector. Throughout their lifecycle, from production to disposal, biomass interacts with ecosystems, exhibiting distinct physicochemical properties.

This Special Issue aims to demonstrate the latest advancements in the conversion of agricultural waste and byproducts into high-value products, thereby facilitating a transition from research discoveries to real-world industrial implementations. The Guest Editors are looking for submissions that delve into the extraction and characterization of valuable biomolecules from agricultural waste/byproducts, investigating their applications across both food and non-food domains. This encompasses innovations in technology, sensory characteristics, and the use of agricultural waste/byproducts as feedstocks for eco-friendly biobased/biodegradable packaging solutions. Contributions of research papers, reviews, or short communications are welcome.

Dr. Anabel Fernandez
Guest Editor

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

  • valorization
  • biorefinery
  • circular economy
  • waste agricultural
  • waste management
  • bioenergy potential
  • amendment

Published Papers (1 paper)

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Research

15 pages, 3723 KiB  
Article
Dynamic Changes in Physicochemical Properties and Microbial Community in Three Types of Recycled Manure Solids for Dairy Heifers
by Chongchong Zhao, Bin Wu, Weiguang Hao, Guowen Li, Peishi Yan, Xingming Yang, Shengyong Mao and Shengjuan Wei
Agronomy 2024, 14(6), 1132; https://doi.org/10.3390/agronomy14061132 - 26 May 2024
Viewed by 300
Abstract
Recycled manure solids (RMSs) are widely utilised as beddings due to their economic and environmentally friendly features. Internal change in RMSs plays a vital role in the stable operation and management of beddings. However, the internal microenvironment of various manure beddings has not [...] Read more.
Recycled manure solids (RMSs) are widely utilised as beddings due to their economic and environmentally friendly features. Internal change in RMSs plays a vital role in the stable operation and management of beddings. However, the internal microenvironment of various manure beddings has not been fully reported. Therefore, we evaluated the physicochemical properties, internal gases and changes in the microbial community of the in situ fermentation beds, which were prefermented by cow manure with sawdust (FSD), straw (FST) and sawdust–straw mixture (FM), at a farm in Jiangsu, China, from June to September 2022. The results indicated that the FSD and FM beds were more capable of degrading organic matter (OM), accumulating total nitrogen and processing a more stable pH environment. FSD bed promoted the conversion of nitrate–nitrogen and ammonium–nitrogen (NH4+-N). Different treatments and times had significant effects on bacterial and fungal communities. FSD enriched Chloroflexi, and FST enriched Actinobacteriota in the early stage, while FM enriched Proteobacteria in the late stage. Bacterial communities were more sensitive to NH4+-N and OM, while fungal communities were more sensitive to temperature and pH. FSD had potential advantages concerning N conversion and C emission reduction. The results of the study revealed the microenvironmental dynamics during bedding use, providing a theoretical basis for the use of a compost bedding system for managing recycled dairy manure. Full article
(This article belongs to the Special Issue Waste to Wealth: Resource Utilization of Agricultural Waste through Effective Biomass Management)
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