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Gradient studies rhizosphere

Extraction of rhizosphere soil (22,34,51,52) is an approach that can provide information about long-term accumulation of rhizosphere products (root exudates and microbial metabolites) in the soil. Culture systems, which separate root compartments from adjacent bulk soil compartments by steel or nylon nets (52-54) have been employed to study radial gradients of rhizosphere products in the root environment. The use of different extraction media can account for different adsorption characteristics of rhizosphere products to the soil matrix (22,34). However, even extraction with distilled water for extended periods (>10 min) may... [Pg.46]

Polyvinyl chloride cylinders -1- nylon gauze -1- device for continuous water supply Soil slices at measurable distance from soil-root interface. High bulk density of soil sampled. Nutrient uptake through an induced root hairs surface. Study of rhizosphere effect over a time and distance gradient from the soil-root interface. 47, 67, 127-129... [Pg.173]

See other pages where Gradient studies rhizosphere is mentioned: [Pg.149]    [Pg.174]    [Pg.185]    [Pg.348]    [Pg.279]    [Pg.280]    [Pg.285]    [Pg.287]    [Pg.288]    [Pg.1068]    [Pg.455]    [Pg.4]    [Pg.13]    [Pg.261]    [Pg.265]    [Pg.280]    [Pg.415]    [Pg.1831]   
See also in sourсe #XX -- [ Pg.343 , Pg.344 , Pg.345 , Pg.346 , Pg.347 ]



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