Meaning of rhizosphere in English:


Pronunciation /ˈrʌɪzə(ʊ)ˌsfiːə/


  • The region of soil in the vicinity of plant roots in which the chemistry and microbiology is influenced by their growth, respiration, and nutrient exchange.

    ‘First, it has been observed that conjugative plasmids mediate gene transfer in various environments such as soil and rhizosphere, plant surfaces, water, or human gut.’
    • ‘The availability of inorganic nitrogen in the rhizosphere is a crucial chemical factor governing the growth rate and developmental pattern of higher plants.’
    • ‘This approach exploits the ability of terrestrial plants to absorb contaminants from the rhizosphere and translocate them to the shoot.’
    • ‘On the contrary, if the water potential of the soil is lower than that of the roots, water can be lost to the rhizosphere by diffusion.’
    • ‘It can be expected that the newest segments of the root system (those close to the apex) in the field will face soil domains richer in phosphorus than the oldest ones, which experience a rhizosphere already depleted of phosphorus.’