Heinzlmaier


Die Bodenkultur - Journal for Land Management, Food and Environment

F. Heinzlmaier, A. Freudenschuß, M. H. Gerzabek:

Plant nutrient supply of Austrian soils - Results of the Austrian soil surveys

Summary

The nutrient supply of Austrian soils with the primary nutrients phosphorus, potassium and magnesium, as well as dependencies of these nutrients on soil parameters are presented in this study. The investigated data are derived from the soil surveys of the Austrian Federal States accomplished in the nineties, which are available in the nation-wide soil information system BORIS of the Federal Environment Agency. After the assessment of a homogenous data set representative for Austria, the analysis and evaluation of the data sets give an overview of the supply with P, K and Mg in Austrian soils and its interdependencies with soil parameters. The Austrian soils are in general well supplied with plant available K, Mg and P at present, the latter being low in many grassland soils. It was shown that land use is a major factor governing average nutrient status.

Key words:  Agricultural soil, nutrient supply, soil parameters, statistical analysis.