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Agronomy
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Advanced Research on the Balance and Conflict between Water Protection...
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Advanced Research on the Balance and Conflict between Water Protection and Agricultural Development

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

Deadline for manuscript submissions: closed (20 November 2022) | Viewed by 2587

Special Issue Editor

Dr. Yolanda Martínez Martínez

E-Mail Website
Guest Editor
Department of Economic Analysis, Universidad de Zaragoza, 50009 Zaragoza, Spain
Interests: water management; nonpoint pollution control; agricultural economics; water policy; water ecosystem services; invasive species control
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The UN Sustainable Development Goals for 2030 include among their targets food security, water management efficiency and protection, as well as economic growth and poverty reduction. Water is a key input for agricultural production and plays an important role in the economic growth of many regions. Due to population growth, climate change, and demands for quality protection, competition for water resources is expected to increase, with a particular impact on agriculture. Many decisions that farmers make on their farms have a relevant impact on the state of the resource, so water governance must carefully consider all these aspects to guide policies that achieve the right balance between water protection and the sustainable development of the activity.

The objective of this Special Issue is to contribute to the literature with innovative analyses focused on the interaction between agricultural activity and the necessary protection of water quantity and quality (including the ecosystems it supports). Proposals for improving water governance are also welcome.

Dr. Yolanda Martínez Martínez
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

  • water management
  • sustainability
  • nonpoint pollution
  • governance
  • environmental services
  • policy instruments
  • water allocation
  • irrigation

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Published Papers (1 paper)

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Research

17 pages, 2958 KiB  
Article
Leaching of Sulfadiazine and Florfenicol in an Entisol of a Chicken-Raising Orchard: Impact of Manure-Derived Dissolved Organic Matter
by Lanre Anthony Gbadegesin, Xinyu Liu, Xiangyu Tang, Chen Liu and Junfang Cui
Agronomy 2022, 12(12), 3228; https://doi.org/10.3390/agronomy12123228 - 19 Dec 2022
Cited by 5 | Viewed by 2042
Abstract
Antibiotic pollution from manured farmland soils is a major public concern, and their potential interaction with manure particles and/or manure–dissolved organic matter (DOM) often complicates their leaching behaviour. This study investigated the leaching of sulfadiazine (SDZ) and florfenicol (FFC) with manure-DOM in undisturbed [...] Read more.
Antibiotic pollution from manured farmland soils is a major public concern, and their potential interaction with manure particles and/or manure–dissolved organic matter (DOM) often complicates their leaching behaviour. This study investigated the leaching of sulfadiazine (SDZ) and florfenicol (FFC) with manure-DOM in undisturbed field lysimeters and repacked soil columns under natural and simulated rainfall conditions. The results showed that manure-DOM reduced SDZ mass flux, but soil hydrological processes and heavy rainfall events led to accelerated leaching. FFC was more prone to leaching in a manured plot (0.48 µg m−2 h−1) compared to the control (0.12 µg m−2 h−1), suggesting DOM facilitated transport of FFC in the field lysimeter study via cotransport mechanisms favored by abundant macropores in the study site. In contrast, SDZ and FFC mobility were reduced in repacked soil columns under manure-DOM conditions, suggesting complexation and adsorption in matrix pores. Two kinetic site models and two-site nonequilibrium adsorption models revealed the existence of nonequilibrium conditions and kinetic sorption processes in the repacked column. FFC exhibited lower leaching potential compared to SDZ in both the repacked column and natural field conditions. Redundancy analyses revealed that FFC had a close relationship with humic-like components (C1 and C3), but SDZ was more related to the protein-like components (C2) of DOM. The presence of manure-DOM may decrease the ecological risks of highly mobile antibiotics under matrix flow through complexations and adsorption. However, a similar scenario in macroporous flow under heavy rainfalls may lead to accelerated leaching. Full article
(This article belongs to the Special Issue Advanced Research on the Balance and Conflict between Water Protection and Agricultural Development)
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