11 citations
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September 1973 in “Canadian Journal of Botany” This study found that strontium cannot fully substitute for calcium in oat seedling root and root hair growth, though it may help mitigate toxic effects from other ions.
18 citations
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March 1972 in “Botanical Gazette” This study found that root hairs of oat seedlings had the greatest elongation in moist air environments and that low calcium availability can still support growth unless other toxic ions are present.