Effect of certain soil properties on the available microelement reserves of soil
2000
Molnáros, I.
Over the last 20 years a large number of soil analyses (pHKCl, CaCO3%, plasticity, humus, macro- and microelement contents) have been carried out on arable land in Vas County. The laboratory analyses were introduced on a system of three-year cycles (Buzás, 1983) as decreed in 1978 by the Ministry of Agriculture and Food, in order to improve the fertilisation extension service. 1980).The dominant soil type in the county is brown forest soil, which covers 74% of the total area. Within this area, brown forest soils with clay illuviations and Ramann’s, rust-brown and chernozem brown forest soils make up 52%. A further 23% of the total area consists of alluvial, alluvial meadow and meadow soils, while the remaining 3% is lowmoor fen, gravelly skeleton soil and slope deposit soil. The analytical data indicated that there was a close correlation between the available microelement content of the soils and the most important soil properties, though this differed in extent and form for each element and soil property. The available microelement content generally increased above a pH of 6.5, at lime contents of 0.1–1.0%, at humus contents of 2.5–3.0% and in the soil plasticity range 43–60 according to Arany. The biometrical analysis revealed that the available microelement content generally had a linear correlation with pHKCl, a logarithmic correlation with lime content and a quadratic correlation with humus content and plasticity.
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