There is a renewed global awareness to improve soil health through the intensification and management of organic inputs such as the application of animal waste-based digestate and other types of organic fertilizers to the soil. The objective of this study was to evaluate the influence of different types of animal waste-based digestate application on soil prokaryotic diversity and composition in an agricultural cropping system over a period of 3 years, cultivated with three different annual cereal crops (spring wheat, triticale, and barley). Treatments were laid out in a randomized design with five conditions (three replicates per condition): fertilizer treatments included three different types of digestate (pig manure, chicken manure, and cow manure digestates), synthetic mineral nitrogen, and unfertilized control. Prokaryotic soil communities were characterized by Illumina MiSeq sequencing. The three most abundant phyla identified were Actinobacteria, Acidobacteria, and Proteobacteria, which accounted for over 55% of the total prokaryotic community. Other phylogenetic groups such as Verrucomicrobia and Bacteroidetes were also identified as part of the native soil microbiota. It was observed that the period of digestate application did not significantly influence the prokaryotic diversity in the soil. On the contrary, sampling time was a major factor in driving beta-diversity. A correlation with soil pH was also observed for several taxonomic groups, indicating its importance in shaping prokaryotic community composition. Our study showed that the richness and diversity of the soil prokaryotic community were not affected by digestate application, while other factors such as the yearly crop varieties and seasonal/climate changes were the major contributors to differentiating the prokaryotic community composition over time.

Characterization of the Soil Prokaryotic Community With Respect to Time and Fertilization With Animal Waste-Based Digestate in a Humid Continental Climate / Suproniene, S; Doyeni, MO; Viti, C; Tilvikiene, V; Pini, F. - In: FRONTIERS IN ENVIRONMENTAL SCIENCE. - ISSN 2296-665X. - STAMPA. - 10:(2022), pp. 0-0. [10.3389/fenvs.2022.852241]

Characterization of the Soil Prokaryotic Community With Respect to Time and Fertilization With Animal Waste-Based Digestate in a Humid Continental Climate

Viti, C
Membro del Collaboration Group
;
Pini, F
Membro del Collaboration Group
2022

Abstract

There is a renewed global awareness to improve soil health through the intensification and management of organic inputs such as the application of animal waste-based digestate and other types of organic fertilizers to the soil. The objective of this study was to evaluate the influence of different types of animal waste-based digestate application on soil prokaryotic diversity and composition in an agricultural cropping system over a period of 3 years, cultivated with three different annual cereal crops (spring wheat, triticale, and barley). Treatments were laid out in a randomized design with five conditions (three replicates per condition): fertilizer treatments included three different types of digestate (pig manure, chicken manure, and cow manure digestates), synthetic mineral nitrogen, and unfertilized control. Prokaryotic soil communities were characterized by Illumina MiSeq sequencing. The three most abundant phyla identified were Actinobacteria, Acidobacteria, and Proteobacteria, which accounted for over 55% of the total prokaryotic community. Other phylogenetic groups such as Verrucomicrobia and Bacteroidetes were also identified as part of the native soil microbiota. It was observed that the period of digestate application did not significantly influence the prokaryotic diversity in the soil. On the contrary, sampling time was a major factor in driving beta-diversity. A correlation with soil pH was also observed for several taxonomic groups, indicating its importance in shaping prokaryotic community composition. Our study showed that the richness and diversity of the soil prokaryotic community were not affected by digestate application, while other factors such as the yearly crop varieties and seasonal/climate changes were the major contributors to differentiating the prokaryotic community composition over time.
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Suproniene, S; Doyeni, MO; Viti, C; Tilvikiene, V; Pini, F
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2158/1284182
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