Scientific Bulletin of Namangan State University


The materials presented in the work give grounds that the lanthanides of rare elements in the irrigated colmated soils of the arid zone are not concentrated and their clarke content in the soils is mainly lower than in the lithosphere.

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1. Vernadskiy‖V.I.‖Problemi‖biogeoximii.‖- M.-L.,‖1935.T.1.,‖47‖s. 2. Bowen H.J.M.‖ Trace‖ yelements‖ in‖ biochemistry.‖ New-York-London‖ Academic‖ Press,‖1966.‖-241 p. 3. Yuldashev‖G.,‖Isagaliyev‖M.‖‚Tuproq‖biogeokimyosi‛.‖T., 2014.346 b.



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