Effect of Precision Nitrogen Fertilization of Grassland on Soil Microbial Structure
Source abstract
Abstract
The synergistic application of advanced technologies enables precise determination of plant growth, health, and nutritional requirements. However, despite the widespread use of modern technologies, the microbial status of the soil is often neglected, even though it significantly impacts soil productivity. Soil microbial activity serves as a crucial indicator of site-specific soil conditions. This article presents efforts to explore the quantitative and qualitative relationships between identified actinomycetes and soil nitrate content, as well as their distribution within the soil profile. Field data analysis facilitated the assessment of nitrate concentrations and the evaluation of the quantitative and species composition of actinomycetes in the soil profile at depths ranging from 0.05 to 0.35 m. The highest nitrate concentration (22 mg/100 g of soil) and actinomycete abundance (1076 CFU/g of soil) were observed in the topsoil layer. Additionally, spatial correlations between these parameters were analyzed for each soil layer. The correlation coefficients were approximately −0.6, indicating an inverse relationship. Areas with low nitrogen content corresponded to reduced microbial abundance within the soil profile, as supported by the spatial correlation data. These findings demonstrate the potential to predict actinomycete abundance in the soil profile based on nitrate content, offering valuable insights into soil health and productivity.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Soil Carbon and Nitrogen Dynamics · Mycorrhizal Fungi and Plant Interactions · Microbial Community Ecology and Physiology
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Machinery Exploitation, Ergonomics and Production Processes, Faculty of Production and Power Engineering, University of Agriculture in Krakow, Balicka Av. 116B, 30-149 Krakow, Poland
Centre for Innovation and Research on Prohealthy and Safe Food, University of Agriculture in Kraków, Balicka Av. 104, 30-149 Krakow, Poland
Agrocom Polska, Strzelecka Av. 47, 47-120 Żędowice, Poland
Funding
Ministry of Education and Science for the Hugo Kołłątaj University of Agriculture in Cracow for 2024
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