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Soil chemical and biological properties after long-term of spring barley monoculture under different agricultural practices

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dc.contributor.authorTalve, Tiina
dc.contributor.authorEdesi, Liina
dc.contributor.authorVõsa, Taavi
dc.contributor.authorSaue, Triin
dc.contributor.authorViil, Peeter
dc.contributor.authorKarron, Elina
dc.date.accessioned2026-04-23T10:29:00Z
dc.date.available2026-04-23T10:29:00Z
dc.date.issued2026
dc.descriptionReceived: August 22nd, 2025 ; Accepted: January 20th, 2026 ; Published: April 2nd, 2026 ; Correspondence: elina.karron@metk.agri.eeeng
dc.description.abstractSustainable agriculture supports soil health and the growth of microorganisms through various agricultural management practices. This multidisciplinary study connected agrotechnology, agrochemistry, and soil microbiology. A 29-year barley monoculture field trial was conducted, focusing on soil pH, soil organic carbon (Corg), dehydrogenase activity (DHA), and the abundance of bacteria, including Gram-positive (Gram+) and Gram-negative (Gram-) bacteria, Actinobacteria, and saprotrophic fungi. Three agrotechnological factors were considered: chemical plant protection (no protection (PP0), herbicides (H), herbicides, and fungicides (HF)); fertilization (only mineral fertilizer (NPK) and mineral fertilizer with cattle slurry addition (NPKS)); and tillage (autumn shallow mixing (AM), autumn ploughless tillage (APT), autumn plowing (AP), and spring plowing (SP)). All agrotechnological factors were found to have a significant effect on the measured variables, with fertilization having the strongest effect, followed by chemical plant protection and tillage practices. The application of cattle slurry six years ago with annual mineral fertilizer had a significant positive effect on all measured properties, except for saprotrophic fungi. The absence of chemical plant protection significantly increased Corg and DHA, Gram-positive bacteria, and Actinobacteria, whereas the lowest amounts of Gram-positive bacteria, Gram-negative bacteria, and Actinobacteria were found in treatments with only herbicide application, followed by herbicide and fungicide combined. Tillage is an important factor for Gram-positive and Gram-negative bacteria and fungal biomass. Tillage had the most significant effect on fungal biomass compared to plant protection and fertilization. Intensive tillage (deep plowing) in autumn had the strongest negative effect on soil microbiota.eng
dc.identifier.citationTalve, T., Edesi, L., Võsa, T., Saue, T., Viil, P., & Karron, E. (2026). Soil chemical and biological properties after long-term of spring barley monoculture under different agricultural practices. Estonian University of Life Sciences. https://doi.org/10.15159/AR.26.016en
dc.identifier.issn2228-4907
dc.identifier.publicationAgronomy Research, 2026, vol. 24, no. 1, pp. 297–312eng
dc.identifier.urihttp://hdl.handle.net/10492/10364
dc.identifier.urihttps://doi.org/10.15159/ar.26.016
dc.publisherEstonian University of Life Scienceseng
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)eng
dc.rightsinfo:eu-repo/semantics/openAccesseng
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectchemical plant protectioneng
dc.subjectfertilizationeng
dc.subjectlong-term field trialeng
dc.subjecttillageeng
dc.subjectarticleseng
dc.titleSoil chemical and biological properties after long-term of spring barley monoculture under different agricultural practiceseng
dc.typeArticleeng

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2026, Vol. 24, No. 1