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Agronomy
Special Issues
Prospects and Challenges of Nitrogen Fixation
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Prospects and Challenges of Nitrogen Fixation

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

Deadline for manuscript submissions: closed (8 May 2022) | Viewed by 2947

Special Issue Editor

Prof. Dr. Jerzy Wielbo

E-Mail Website
Guest Editor
Department of Genetics and Microbiology, Maria Curie-Sklodowska University, Pl. M. Curie-Skłodowskiej 5, 20-031 Lublin, Poland
Interests: plant–bacterial symbiosis; rhizobial genetics and physiology; biofertilizers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Biological nitrogen fixation plays a crucial role in Earth’s nitrogen cycle because it provides large amounts of inorganic nitrogen compounds which can be used for biomass production by different living organisms. Although the process was discovered over a century ago, it is still studied, and every year our understanding of this phenomenon is better thanks to new data resulting from the studies of numerous researchers. N2-reducing microorganisms (free-living as well as associative for plants) and plant–microbe symbiotic systems have been used in sustainable agriculture for decades as a money-saving and environmentally friendly alternative to synthetic nitrogen fertilizers. At present, as we realize the complexity of nitrogen fixation processes (especially in symbiotic systems), we can develop new ideas focusing on enhancing the effectiveness of this process, which could result in obtaining higher crop yield and minimizing the negative effects of intensive plant production on the environment.

This Special Issue will focus on recent advances in biological nitrogen fixation, as well as the application of new discoveries and concepts in agronomy. We welcome novel research articles and reviews covering all related topics, including interactions between plants and their N2-fixing symbiotic or non-symbiotic prokaryotic partners, biofertilizers containing microorganisms or their metabolites, new cultivation practices developed for plants cooperating with microbial N2 fixers, or the use of such plants in crop rotation for the improvement of soil parameters.

Dr. Jerzy Wielbo
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

  • nitrogen fixation
  • diazotrophs
  • biofertilizers
  • growth and development of plants
  • crop yield
  • plant cultivation systems
  • sustainable agriculture

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Published Papers (1 paper)

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Research

13 pages, 291 KiB  
Article
The Dynamics of Molybdenum, Boron, and Iron Uptake, Translocation and Accumulation by Pea (Pisum sativum L.)
by Andrzej Wysokinski, Izabela Lozak and Beata Kuziemska
Agronomy 2022, 12(4), 935; https://doi.org/10.3390/agronomy12040935 - 13 Apr 2022
Cited by 10 | Viewed by 2347
Abstract
Molybdenum (Mo), boron (B), and iron (Fe) play an important role in symbiotic nitrogen fixation by legume plants. The intensity of this process varies in different growth stages of legumes, and the changes are accompanied by changes in the content and translocation of [...] Read more.
Molybdenum (Mo), boron (B), and iron (Fe) play an important role in symbiotic nitrogen fixation by legume plants. The intensity of this process varies in different growth stages of legumes, and the changes are accompanied by changes in the content and translocation of these micronutrients in the plant. A two-year field experiment was conducted to investigate the dynamics of molybdenum, boron, and iron content, translocation, and accumulation in pea plants. Two pea cultivars were studied in six stages of growth, from the four-leaf stage to full maturity. The content of Mo, B, and Fe in the roots of pea was highest from the four-leaf stage to the full flowering stage, i.e., the period of establishment of symbiosis and the most intensive atmospheric nitrogen fixation. The bioaccumulation factors of Mo and Fe were generally highest in the initial stages of pea growth and decreased during generative development, while the reverse pattern was observed for boron. The bioaccumulation factors also indicate high bioaccumulation of Mo and B and low bioaccumulation of Fe in the biomass of pea. The translocation factor indicated a high potential for allocation of Mo from the roots to the aerial parts, increasing during growth; high and stable potential for allocation of boron; and very minor allocation of iron to the aerial parts. The values of all parameters tested were usually dependent on the conditions in which the experiment was conducted (the year), but not on the cultivar of a pea. Full article
(This article belongs to the Special Issue Prospects and Challenges of Nitrogen Fixation)
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