The influence of crop rotations, fertilizer and pesticide application on soil microbial diversity, community composition, and wheat yield
Nauanova A. Kiyas A. Kenzhegulova S. Sarmanova R. Shumenova N. Yerpasheva D.
2025Informa Healthcare
Cogent Food and Agriculture
2025#11Issue 1
This study investigated the impact of crop rotation and fertilizer/pesticide application on soil fertility, microbial diversity, and wheat yield. The experiment was conducted at the A.I. Barayev Scientific-Production Center, Akmola Region, Kazakhstan, using five treatment variants: continuous wheat without inputs (2), continuous wheat with inputs (2b), wheat-after-pea with inputs (25e), wheat-after-oats with inputs (39), and wheat-after-fallow with inputs (39b). Agrochemical analysis revealed significant differences in nitrogen, phosphorus, potassium, and organic matter content across treatments, with fertilizer application increasing nutrient levels in certain variants. Microbial diversity was assessed using 16S rRNA gene sequencing, revealing distinct microbial communities dominated by Actinobacteriota in continuous wheat without inputs and Proteobacteria in fertilized treatments. Wheat yield data showed a significant increase in 2024 in the rotation system with wheat following pea, despite no significant differences in microbial diversity. The results suggest that microbial diversity is influenced by nutrient availability and that the use of fertilizers and crop rotation practices impacts both soil chemistry and microbial community composition.
Agriculture & Environmental Sciences , crop rotations , Environmental Management , fertilization , Microbial diversity and composition , Microbiology , soil health , Soil Sciences , wheat yield
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Department of Soil Science and Agrochemistry, NCJSC “S.Seifullin Kazakh AgroTechnical Research University”, Astana city, Kazakhstan
Laboratory of Microorganism Biotechnology, LLP “BIO-KATU”, Astana city, Kazakhstan
LLP “A.I. Barayev Research and Production Center for Grain Farming”, The Crop Rotation Laboratory, Akmola region, Kazakhstan
Department of Biology, Plant Protection and Quarantine, NCJSC “S.Seifullin Kazakh AgroTechnical Research University”, Astana city, Kazakhstan
Department of Soil Science and Agrochemistry
Laboratory of Microorganism Biotechnology
LLP “A.I. Barayev Research and Production Center for Grain Farming”
Department of Biology
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