Sleenium and nutrition of Astragalus. II. Ionic sorption interactions among selenium, phosphate, and the macro- and micronutrient cations
1972
Broyer, T.C. | Johnson, C.M. | Huston, R.P.
Growth of Astragalus species was shown to be adversely affected by concentrations of phosphate in solution which are often used in inorganic nutrient media. Several ionic interactions in sorption by plants were demonstrated including depression of phosphate and the micronutrient metals by seleniteselenium, depression of selenium by phosphate, and direct or indirect enhancement of the macronutrient cations and the micronutrient metals by phosphate. Plant growth affects sorption and, conversely, repressed or excessive sorption may limit yield if the element is essential and deficient, or too high in effective concentration in the plant. Relevant interactions are considered.
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