Influence of sodium humate on the uptake of some ions by tomato seedlings

The influence of sodium humate on the uptake of K+, Rb+, NH4+, Mg+, Fe+, PO4 (exp. 3-), NO2- and Cl- ions from equilibrated aqueous solutions was investigated. By varying transpiration and applying dinitrophenol "passive" and "active" uptake was distinguished. Ion decrease in the...

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Bibliographic Details
Published in:	Acta Societatis Botanicorum Poloniae Vol. 52; no. 2; pp. 149 - 164
Main Authors:	Guminski, S, Sulej, J. (Wroclaw Univ., Wroclaw (Poland). Inst. of Botany), Glabiszewski, J
Format:	Journal Article
Language:	English
Published:	Warsaw Polish Botanical Society 01-01-1983
Subjects:	Chloride Iron Magnesium Potassium Roots Rubidium Seedlings Shoots Sodium Transpiration
Online Access:	Get full text
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Summary:	The influence of sodium humate on the uptake of K+, Rb+, NH4+, Mg+, Fe+, PO4 (exp. 3-), NO2- and Cl- ions from equilibrated aqueous solutions was investigated. By varying transpiration and applying dinitrophenol "passive" and "active" uptake was distinguished. Ion decrease in the solution and accumulation of labelled elements in roots and shoots was determined. Humates strongly stimulated K+ and Rb+ uptake and strongly inbited the uptake of Cl-, while it slightly enhanced Mg+
Bibliography:	F60 8400742
ISSN:	0001-6977 2083-9480
DOI:	10.5586/asbp.1983.017