What are the factors (soil characteristics) that can influence the plant growth promoting (PGP) traits of a bacterial communities?
DIFFERENT SOIL FACTORS ARE INVOLVED IN PGPR ACTIVITIES, THEY MAY ENHANCE OR WHETHER DECREASE THEIR FUNCTION. FOR EXAMPLE, SEVERE WATER DEFICIT NEGATIVELY AFFECTS THEIR ACTIVITY (Article Plant growth-promoting rhizobacteria (PGPR) improve the grow...
). Other factors are Soil pH, soil solution, ionic composition, etc (https://www.tandfonline.com/doi/abs/10.1080/03650340.2020.1843157?journalCode=gags20), Soil temperature (https://www.jstor.org/stable/42937895)If you still uncertain about the involving factors after going through these papers, you may directly raise your specific question here. Best regards
In order to greatly improve the capacity of the soil for bacterial activities it is of paramount importance to try to increase its humus content. However this is difficult to achieve with soil with a very high content of sand or clay.
Many factors including soil types, soil texture, soil pH, nutrient status of soil, moisture content of the soil, use of agrochemical in soil.
The level of soil pH could be the dominant one as the microorganisms cannot perform optime in unsuitable environment. More than that, if the soil structure is compact one, very less organic matter, etc. can be mentioned.
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