Strontium absorption by two Trifolium species as influenced by soil characteristics and liming

• Published in: Water, air, and soil pollution Vol. 144; no. 1-4; pp. 363 - 373
• Main Authors: TSIALTAS, John T, MATSI, Theodora, BARBAYIANNIS, Nikolaos, SDRAKAS, Antonios, VERESOGLOU, Dimitrios S
• Format: Journal Article
• Language: English
• Published: Dordrecht Springer 01.04.2003; Springer Nature B.V
• Subjects: Absorption; Acidic soils; Agronomy. Soil science and plant productions; Animal, plant and microbial ecology; Applied ecology; Biological and medical sciences; Ecotoxicology, biological effects of pollution; Environmental monitoring; Fundamental and applied biological sciences. Psychology; Liming; Organic matter; Organic soils; Soil and water pollution; Soil characteristics; Soil properties; Soil science; Soils; Strontium; Terrestrial environment, soil, air; Transfer factor; Trifolium; Trifolium repens; Trifolium subterraneum; Greece; Europe; Mediterranean Basin; Radioactive pollution; Calcium; Pollution control; Alkaline earth metal; strontium plant absorption; Soil pollution; Trifolium subterraneum; Strontium; strontium transfer factor; Absorption; Liming amendment; Dicotyledones; Ecosystem; Angiospermae; Remediation; Trifolium repens; Grassland soil; Terrestrial environment; soil liming; Ecotoxicology; Mineral amendment; Interelement effect; Property of soil; Mineral soils; Experimental study; Trifolium; Agroecosystem; Edaphic factor; Isotope effect; Leguminosae; Peat soil; Spermatophyta; Fodder crop
• ISSN: 0049-6979; 1573-2932
• DOI: 10.1023/A:1022965100636

Strontium absorption by plants is specific to individual species and also depends on the underlying soil properties. The purpose ofthis study was to evaluate the effect of certain soil characteristics and liming on Sr absorption by twoTrifolium species. One-liter volume of two inorganic and three organic soilswere treated with a combination of three CaCO^sub 3^ levels, 0, 3.6 and 7.2 g, × two Sr levels, 50 and 100 mg, (treatments) in four replications. Trifolium repens L. was grown in thetreated soils, in pots, harvested twice, and Sr in theabove-ground biomass of each harvest and soil exchangeable Caof each treatment were determined. The experiment was repeatedwith Trifolium subterraneum L., harvested once. For bothspecies, Sr transfer factor (T.F.) values of the varioustreatments were calculated. Shoot Sr concentrations weresignificantly affected by soil characteristics and Sr additionrates and were greater in T. repens. In all cases, theSr concentrations of plants grown in the organic soils, whichwere characterized by higher exchangeable Ca and cationexchange capacity (C.E.C.) values, were lower than those ofplants grown in the inorganic soils. Among the organic soils,Sr concentrations of the plants grown in the soil with thehighest values of C.E.C., organic matter and exchangeable Cawere the lowest. Liming decreased significantly the Srconcentrations in T. repens and T. subterraneumgrown in the two acid soils, while the pH and exchangeable Cawere increased. Shoot Sr concentration (log scale) wassignificantly, negatively correlated with soil exchangeable Ca. Strontium T.F. values were quite similar between the two Sr application rates and were affected by the same soil characteristics.[PUBLICATION ABSTRACT]