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Abstract

Variation of Carbon- and Nitrogen-Stable Isotope Ratios in Conventionally and Organically Fertilized Cereals at Different Growth Stages †

by
Lauma Busa
1,*,
Gunita Celma
1,
Linda Legzdina
2,
Arturs Viksna
1 and
Indra Locmele
2
1
Faculty of Chemistry, University of Latvia, 1004 Riga, Latvia
2
Institute of Agricultural Resources and Economics, Priekuli Research Centre, 4126 Priekuli, Latvia
*
Author to whom correspondence should be addressed.
†
Presented at the International Conference EcoBalt 2023 “Chemicals & Environment”, Tallinn, Estonia, 9–11 October 2023.
Proceedings 2023, 92(1), 19; https://doi.org/10.3390/proceedings2023092019
Published: 21 November 2023
(This article belongs to the Proceedings of International Conference EcoBalt 2023 "Chemicals & Environment")
Versions Notes

Over recent decades, the cereal grain market has experienced notable changes. Due to the demand for healthier and more sustainable food options, significant growth in the production of organically grown cereals has been observed in the EU and Latvia [1]. Climate change and its impact on agricultural productivity has created challenges to cereal grain production, leading to a focus on resilient crop varieties and sustainable farming practices. Research on stable carbon and nitrogen isotope ratio changes in barley and triticale at different growth stages provides valuable insights into the metabolic processes and nutrient uptake patterns of these crops. This research contributes to the improvement of sustainable agricultural practices by allowing the optimization of fertilization strategies and the development of more efficient crop management techniques. For this study, barley and triticale samples at the stages of tillering, jointing, booting and maturity stages from conventionally and organically fertilized sample plots were collected at the Institute of Agricultural Resources and Economics, Priekuli Research Centre. Roots, leaves and grains at maturity stage of the collected crop samples were analyzed using a stable isotope ratio mass spectrometer (Nu Horizon, Nu Instruments, Wrexham, UK). δ13C and δ15N values, and total carbon and nitrogen content were determined. The results showed a decrease in δ15N values and total nitrogen content in both barley and triticale roots and leaves during the growth of the analyzed crop samples. No significant changes in δ13C values and total carbon content were observed. Differences in total nitrogen content and nitrogen-stable isotope ratios between conventionally and organically fertilized crops were not definite both for barley and triticale samples. These findings highlight the dynamic nature of nitrogen uptake and utilization in barley and triticale crops during various growth stages and suggest that other factors beyond fertilizer type may influence nitrogen content and isotope ratios in these crops.

Author Contributions

Conceptualization, L.B. and A.V.; methodology, A.V., L.B., L.L. and I.L.; software, L.B.; validation, L.B., A.V. and G.C.; formal analysis, L.B. and G.C.; investigation, L.B. and G.C.; resources, A.V., L.L. and I.L.; data curation, L.B. and G.C.; writing—original draft preparation, L.B. and G.C.; writing—review and editing, L.B., G.C. and A.V.; visualization, L.B.; supervision, A.V., L.L. and I.L. All authors have read and agreed to the published version of the manuscript.

Funding

This research was financially supported by Ministry of Agriculture of Latvia and Latvian Council of Science, grant number lzp-2018/1-0404, acronym FLPP-2018-1.

Institutional Review Board Statement

Not applicable.

Informed Consent Statement

Not applicable.

Data Availability Statement

The data presented in this study are available upon request from the corresponding author.

Acknowledgments

The authors would like to express their gratitude to all individuals who provided assistance and support throughout this research project. Their contributions and collaboration were invaluable in the successful completion of this study.

Conflicts of Interest

The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.

Reference

  1. Busacca, E.; Gernert, M.; Moeskops, B.; Steu, A.; Willer, H. Organic in Europe: Recent Developments. In The World Of Organic Agriculture. Statistics and Emerging Trends 2023; Willer, H., Schlatter, B., Travnicek, J., Eds.; Research Institute of Organic Agriculture FiBL, Frick, and IFOAM—Organics International: Bonn, Germany, 2023; pp. 225–233. [Google Scholar] [CrossRef]
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MDPI and ACS Style

Busa, L.; Celma, G.; Legzdina, L.; Viksna, A.; Locmele, I. Variation of Carbon- and Nitrogen-Stable Isotope Ratios in Conventionally and Organically Fertilized Cereals at Different Growth Stages. Proceedings 2023, 92, 19. https://doi.org/10.3390/proceedings2023092019

AMA Style

Busa L, Celma G, Legzdina L, Viksna A, Locmele I. Variation of Carbon- and Nitrogen-Stable Isotope Ratios in Conventionally and Organically Fertilized Cereals at Different Growth Stages. Proceedings. 2023; 92(1):19. https://doi.org/10.3390/proceedings2023092019

Chicago/Turabian Style

Busa, Lauma, Gunita Celma, Linda Legzdina, Arturs Viksna, and Indra Locmele. 2023. "Variation of Carbon- and Nitrogen-Stable Isotope Ratios in Conventionally and Organically Fertilized Cereals at Different Growth Stages" Proceedings 92, no. 1: 19. https://doi.org/10.3390/proceedings2023092019

APA Style

Busa, L., Celma, G., Legzdina, L., Viksna, A., & Locmele, I. (2023). Variation of Carbon- and Nitrogen-Stable Isotope Ratios in Conventionally and Organically Fertilized Cereals at Different Growth Stages. Proceedings, 92(1), 19. https://doi.org/10.3390/proceedings2023092019

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