Plant Soil Environ., 2004, 50(12):547-551 | DOI: 10.17221/4072-PSE

Temporal variability of available phosphorus, potassium and magnesium in arable soil

K. Štípek, V. Vaněk, J. Száková, J. Černý, J. Šilha
Czech University of Agriculture in Prague, Czech Republic

The investigation is focused on the illustration of the temporal changes in spatial variability of the Mehlich III available phosphorus, potassium and magnesium in the 10.5 hapart of the whole 54 hafield, located near Český Brod. Soil is characterized as Orthic Luvisol. To estimate temporal variability of available nutrients, soil samples were taken in 2001-2003 four times per year (twice in spring and twice in the autumn periods). For the description of field variability of selected soil parameters coefficient of variation (CV), experimental variograms with fitted models and relative nugget effect parameters have been used. Three year results shows that the lowest temporal variability, characterized by relative nugget effect had available Mg (4-23%) and P (13-29%) and K (15-49%).

Keywords: temporal variability; spatial variability; phosphorus; potassium; magnesium; Mehlich III

Published: December 31, 2004  Show citation

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Štípek K, Vaněk V, Száková J, Černý J, Šilha J. Temporal variability of available phosphorus, potassium and magnesium in arable soil. Plant Soil Environ. 2004;50(12):547-551. doi: 10.17221/4072-PSE.
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