| Title | Analysis of Bacterial Microbiota of Aerated Compost Teas and Effect on Tomato Growth |
|---|---|
| ID_Doc | 29066 |
| Authors | Martínez-Yáñez, MG; Silva-Ortega, CO; Hernández-Aranda, VA; Vallejo-Pérez, MR; Alcalá-Briseño, R; Vega-Manriquez, DX; Aguilar-Benítez, G; Jarquin-Gálvez, R; Lara-Avila, JP |
| Title | Analysis of Bacterial Microbiota of Aerated Compost Teas and Effect on Tomato Growth |
| Year | 2023 |
| Published | Microbial Ecology, 86.0, 2 |
| Abstract | Mature composts and their water-based extracts, known as aerated compost teas (ACTs), are biofertilizers that share bioactive effects like soil restoration and plant health promotion, widely used for sustainable agriculture. Bioactive effects of compost and ACTs could be associated with their physicochemical and biological characteristics, like carbon/nitrogen (C/N) ratio and microbiota structure respectively. In our study, we elaborated ACTs using mature homemade compost, wheat bran, and grass clippings, following the C/N ratio criteria. Irrigation of tomato plantlets with ACT whose C/N ratio was close to the expected C/N ratio for mature compost evidenced plant growth promotion. Exploring the bacterial microbiota of elaborated ACTs and origin compost revealed significant structural differences, including phyla involved in N mineralization and free-living N-fixing bacteria. Therefore, ACTs harbor diverse bacterial microbiota involved in the N cycle, which would enrich plant and soil bacterial communities at the taxonomic and functional levels. Furthermore, ACTs are considered a part of agroecological and circular economy approaches. |
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