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Composition Of Irrigation Water Salinity Affects Growth Characteristics And Uptake Of Selenium And Salt Ions By Soybean, D. Wang, C. M. Grieve, D. L. Suarez

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

A greenhouse study was conducted to determine the effects of irrigation waters differing in salt composition on growth characteristics, salt ion and selenium (Se) accumulation, and distribution in plant components of the soybean (Glycine max L. Merr.) cultivar “Manokin.” Plants were grown in sand cultures and irrigated with isoosmotic solutions containing (1) Cl⁻ as the dominant anion, or (2) a mixture of salts containing equal molar amounts of SO_^2-4 and Cl⁻. Six treatments of each salinity type were imposed. Electrical conductivities of the irrigation waters ranged from 2.1 to 13.0 dSm⁻¹. Selenium …