Soil metagenome
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA563269 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:soil from saline and alkaline land Raw sequence reads
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Project description:Metagenome data from soil samples were collected at 0 to 10cm deep from 2 avocado orchards in Channybearup, Western Australia, in 2024. Amplicon sequence variant (ASV) tables were constructed based on the DADA2 pipeline with default parameters.
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Project description:<p>Soil salinization severely restricts the growth and yield of crops. It is particularly urgent to find safe and effective measures to reduce soil salinity, improve the soil nutrient environment and achieve the improvement of saline-alkali soil. Beneficial microorganisms in the rhizosphere can activate nutrients to help desalinate, promote plant growth and enhance plant stress resistance. Therefore, this study intends to combine multiple perspectives such as corn and composite bacterial communities to develop saline-alkali land improvement technologies. It will study the improvement effect of microbial agents on saline-alkali land, the dynamic influence of soil and plant nutrient cycling and transportation, and plant root exudates, and explore the mechanism by which microbial agents promote soil nutrient transformation and the interaction mechanism between soil-microorganisms-plants. This will provide scientific basis and technical support for promoting the utilization of nutrients in saline-alkali land, improving the improvement efficiency of microbial agents and their application prospects.</p>
2026-04-15 | MTBLS14283 | MetaboLights
Project description:Bacterial community structure in saline-alkaline fumigated soil
| PRJNA242210 | ENA
Project description:Soil microorganisms act as gatekeepers for soil-atmosphere carbon exchange by balancing the accumulation and release of soil organic matter. However, poor understanding of the mechanisms responsible hinders the development of effective land management strategies to enhance soil carbon storage. Here we empirically test the link between microbial ecophysiological traits and topsoil carbon content across geographically distributed soils and land use contrasts. We discovered distinct pH-controls on microbial mechanisms of carbon accumulation. Land use intensification in low-pH soils that increased pH above a threshold (~ 6.2) lead to carbon loss through increased decomposition following alleviation of acid-retardation of microbial growth. However, loss of carbon with intensification in near neutral-pH soils was linked to decreased microbial biomass and reduced growth efficiency that was, in turn, related to tradeoffs with stress alleviation and resource acquisition. Thus, less intensive management practices in near neutral-pH soils have more potential for carbon storage through increased microbial growth efficiency; whereas, in acidic soils microbial growth is a bigger constraint on decomposition rates.
2018-07-26 | PXD010526 | Pride