Seasonal changes in Cu, Mn, Zn and Co concentrations in soil in the root‐zone of barley (Hordeum vulgare L.)

D. J. LINEMAN*, A. H. SINCLAIR, M. C. MITCHELL

*Corresponding author for this work

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Soil solutions were isolated by centrifugation of moist soil taken from the root‐zone of field‐grown barley plants and bulk soil from adjacent fallow areas. Low concentrations of Cu, Mn, Zn and Co were found in soil solutions in late winter with increases in spring and early summer. Discrete maxima are generally achieved at some time between May and early July. The precise timing of such maxima appears to depend on the extent of the development of the growing crop and on seasonal influences. The extent to which micronutrient concentrations increase in fallow soils is less than in the root‐zone soil solutions although similar trends occur. It is suggested that the increased micronutrient concentrations might result from their mobilization from insoluble forms by biologically produced chelating ligands.

Original languageEnglish
Pages (from-to)103-115
Number of pages13
JournalJournal of Soil Science
Volume40
Issue number1
DOIs
Publication statusPrint publication - Mar 1989

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