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Agronomy
Special Issues
Strategies for Greenhouse Gas Emissions Mitigation
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Strategies for Greenhouse Gas Emissions Mitigation

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Innovative Cropping Systems".

Deadline for manuscript submissions: closed (10 April 2019)

Special Issue Editor

Dr. Sergio Menéndez

E-Mail Website
Guest Editor
R&D and Advisory Deparment,EuroChem Agro Iberia, S.L. Joan d'Austria, 39-47 6B 08005 Barcelona, Spain

Special Issue Information

Dear Colleagues,

The challenges of today's agriculture involve a reduction of its impact on climate change. The main greenhouse gases associated with agriculture are carbon dioxide (CO2), nitrous oxide (N2O) and methane (CH4). The use of fertilizers, both organic and mineral, and the management performed are the main factors that regulate greenhouse gas emissions in agricultural soils. That is why strategies must be developed to mitigate the environmental impact of agriculture. As a starting point for effective mitigation, the correct fertilizer should be applied at the right time and at an appropriate dose. Other strategies have also been developed, such as the use of urease or nitrification inhibitors, or the changes in soil management. The reduction of soil tillage, the use of crop rotations or cover crops are also strategies to mitigate greenhouse gas emissions from agriculture. However, the combined use of some of these strategies does not have to be positive or work in all edaphoclimatic conditions. That is why the challenge is focused on developing new mitigation strategies as efficiently as possible for each crop and soil and climate conditions.

Dr. Sergio Menéndez
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

  • climate change
  • mitigation
  • N2O
  • CO2
  • CH4
  • urease inhibitors
  • nitrification inhibitors
  • tillage
  • fertilizer
  • crop rotation
  • cover crops

Published Papers (2 papers)

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Research

13 pages, 908 KiB  
Article
3,4-Dimethylpyrazole Phosphate (DMPP) Reduces N2O Emissions from a Tilled Grassland in the Bogotá Savanna
by Ximena Huérfano, Sergio Menéndez, Matha-Marina Bolaños-Benavides, Carmen González-Murua and José-María Estavillo
Agronomy 2019, 9(2), 102; https://doi.org/10.3390/agronomy9020102 - 21 Feb 2019
Cited by 8 | Viewed by 4919
Abstract
Grasslands are subject to a wide range of land management practices that influence the exchange of the three main agricultural greenhouse gases (GHGs) that are related to agriculture: carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4). [...] Read more.
Grasslands are subject to a wide range of land management practices that influence the exchange of the three main agricultural greenhouse gases (GHGs) that are related to agriculture: carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4). Improving nitrogen fertilization management practices through the use of nitrification inhibitors (NIs) can reduce GHGs emissions. We conducted a field experiment at the Colombian Agricultural Research Corporation with four fertilization treatments: urea (typical fertilizer used in this region), ammonium sulfate nitrate (ASN), ASN plus the NI 3,4-dimethylpyrazole phosphate (ASN+DMPP), and an unfertilized control. The highest grassland yields (1956 and 2057 kg DM ha−1, respectively) and apparent fertilizer nitrogen recoveries (34% and 33%, respectively) were generated by the conventional urea fertilizer and ASN+DMPP. Furthermore, the use of ASN+DMPP reduced the N2O emissions that were related to N fertilization to the level of the unfertilized treatment (ca. 1.5 g N2O-N ha−1), with a significant reduction of N-yield-scaled N2O emissions (ca. 20 g N2O-N kg N uptake−1). These results support the application of DMPP as an alternative strategy to increase grassland yield while simultaneously reducing the environmental impact of N fertilization. Full article
(This article belongs to the Special Issue Strategies for Greenhouse Gas Emissions Mitigation)
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17 pages, 4317 KiB  
Article
Mitigation Potential and Yield-Scaled Global Warming Potential of Early-Season Drainage from a Rice Paddy in Tamil Nadu, India
by Aung Zaw Oo, Shigeto Sudo, Kazuyuki Inubushi, Umamageswari Chellappan, Akinori Yamamoto, Keitsuke Ono, Masayoshi Mano, Sachiko Hayashida, Vanitha Koothan, Takeshi Osawa, Yukio Terao, Jothimani Palanisamy, Elayakumar Palanisamy and Ravi Venkatachalam
Agronomy 2018, 8(10), 202; https://doi.org/10.3390/agronomy8100202 - 21 Sep 2018
Cited by 22 | Viewed by 4807
Abstract
Water-intensive systems of rice cultivation are facing major challenges to increase rice grain yield under conditions of water scarcity while also reducing greenhouse gas (GHG) emissions. The adoption of effective irrigation strategies in the paddy rice system is one of the most promising [...] Read more.
Water-intensive systems of rice cultivation are facing major challenges to increase rice grain yield under conditions of water scarcity while also reducing greenhouse gas (GHG) emissions. The adoption of effective irrigation strategies in the paddy rice system is one of the most promising options for mitigating GHG emissions while maintaining high crop yields. To evaluate the effect of different alternate wetting and drying (AWD) irrigation strategies on GHG emissions from paddy rice in dry and wet seasons, a field experiment was conducted at the Tamil Nadu Rice Research Institute (TRRI), Aduthurai, Tamil Nadu, India. Four irrigation treatments were included: One-AWD (one early drying period), Two-AWD (two early drying periods), Full-AWD (wetting and drying cycles throughout the rice season), and CF (continuous flooding). Different rice varieties were also tested in the experiment. In this study, we emphasized one factor (irrigation effect) that affects the dependent variable. The results show that early AWD treatments reduced methane (CH4) emissions by 35.7 to 51.5% in dry season and 18.5 to 20.1% in wet season, while full-AWD practice reduced CH4 emissions by 52.8 to 61.4% compared with CF. Full-AWD in dry season not only significantly reduced CH4 emission during that season, it also resulted in the decline of the early season emission in the succeeding wet season. Global warming potential (GWP) and yield-scaled GWP were reduced by early or full season AWD in both rice seasons. The GWP value from nitrous oxide (N2O) was relatively low compared to that from CH4 in both rice seasons. Rice yield was not affected by irrigation treatments although varietal differences in grain and straw yields were observed in both rice seasons. This study demonstrated that early season water managements are also effective in reducing CH4 and total GHG emissions without affecting rice yield. Full article
(This article belongs to the Special Issue Strategies for Greenhouse Gas Emissions Mitigation)
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