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Agronomy
Special Issues
Effects of Agriculture Practices on Dynamics of Soil C and...
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Effects of Agriculture Practices on Dynamics of Soil C and N under Current and Future Climate

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

Deadline for manuscript submissions: closed (31 May 2019) | Viewed by 4325

Special Issue Editors

Prof. Roberto Ferrise

E-Mail Website
Guest Editor
Department of AGRIculture, Food, Environment and Forestry, University of Florence (DAGRI) Piazzale delle Cascine, 18 50144 Firenze, Italy
Interests: Agrometeorology; ecophysiology; crop modelling; climate change impact assessment; adaptation and mitigation strategies; precision agriculture; seasonal forecast; model assisted ideotyping
Special Issues, Collections and Topics in MDPI journals
Dr. Daniele Antichi

E-Mail Website
Guest Editor
Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
Interests: sustainable agricultural systems; agroecology; cover crops; intercropping; agroforestry; conservation agriculture; organic farming
Special Issues, Collections and Topics in MDPI journals
Dr. Paolo Merante

E-Mail Website
Guest Editor
Department of Agri-food Production and Environmental Sciences, University of Florence, P.le delle Cascine 18, 50144 Firenze, Italy
Interests: environmental sustainability; soil organic carbon; soil conservation measures; environmental indicators

Special Issue Information

Dear Colleagues,

Reduced soil tillage (non-inversion tillage, minimum tillage and no-tillage), crop diversification (crop rotation, intercropping) and cover cropping, which are nowadays encompassed within the general and widespread meaning of Conservation Agriculture, are acknowledged as effective strategies to improve soil properties and functions as well as effectively contributing to the mitigation of global warming. Nevertheless, benefits and drawbacks of many of these practices and of their potential inter-combinations (e.g. reduced tillage plus crop diversification) are still unrevealed, particularly with respect to soil C and N dynamics under current and future climate conditions.

In this special issue, we would welcome contributions from any agricultural area of the world linking all kind of the aforementioned practices to dynamics of soil C and N, as affected by or related to current or future climate conditions. Outcomes of long-term field trials, results of modelling studies as well as any novel approaches and methodologies exploring the contribution of already known as well as original-innovative agricultural practices to soil C and N stocks and pools and their relations, optionally in the context of climate change, are very welcome.

Dr. Roberto Ferrise
Dr. Daniele Antichi
Dr. Paolo Merante
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

  • Conservation agriculture
  • Conservation practices
  • Soil C-N dynamics
  • Mitigation of climate change

Published Papers (1 paper)

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Research

16 pages, 1112 KiB  
Article
Land–Use Changes Influencing C Sequestration and Quality in Topsoil and Subsoil
by Benjapon Kunlanit, Somchai Butnan and Patma Vityakon
Agronomy 2019, 9(9), 520; https://doi.org/10.3390/agronomy9090520 - 06 Sep 2019
Cited by 26 | Viewed by 3767
Abstract
Soil capacity as a major carbon (C) sink is influenced by land use. Estimates of soil organic carbon (SOC) sequestration have mostly focused on topsoils [0–30 cm official Intergovernmental Panel on Climate Change (IPCC) soil depth]. We investigated SOC stocks and their quality [...] Read more.
Soil capacity as a major carbon (C) sink is influenced by land use. Estimates of soil organic carbon (SOC) sequestration have mostly focused on topsoils [0–30 cm official Intergovernmental Panel on Climate Change (IPCC) soil depth]. We investigated SOC stocks and their quality as influenced by land-use changes. Soil samples were collected from five soil depths down to 100 cm of three adjacent fields each representing a different land use—forest, cassava, and rice paddy—in Northeast Thailand. Sequestration of SOC in topsoils under all land uses was higher, as indicated by SOC stocks (59.0–82.0 Mg ha−1) than subsoils (30–100 cm) (27.0–33.0 Mg ha−1). The soil profile (0–100 cm) of the forest had higher stocks of SOC and humic acid (115.0 and 6.8 Mg ha−1, respectively) than those of cultivated land uses [paddy (100.0 and 4.8 Mg ha−1, respectively) and cassava (87.0 and 2.3 Mg ha−1, respectively)], which accounted for an average 30% increase in SOC sequestration over those with only topsoil. Topsoils of the forest had higher humic acid content but narrower E4:E6 ratio [the ratio of absorbances at 465 nm (E4) and at 665 nm (E6)] of humic acids (2.8), indicating a higher degree of humification and stabilization than the cultivated soils (3.2–3.6). Subsoil C was higher quality, as indicated by the lower E4:E6 ratio of humic acids than topsoils in all land uses. Full article
(This article belongs to the Special Issue Effects of Agriculture Practices on Dynamics of Soil C and N under Current and Future Climate)
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