The researchers investigated the bacterial composition and microbial activity pattern in soils under four typical sodic grassland vegetation in Apaj, Kiskunság National Park, Hungary. They found that the genus-level bacterial composition and community-level physiological profiles differed significantly in soils with different alkaline vegetation. The results showed that the soil pH, together with salt content, and Na+ content of the soils were the main edaphic factors influencing both bacterial diversity and metabolic activity patterns in the investigated soils with different salinity and sodicity.
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