Influence of applied fertilizers and type of soil on nutrient migration in laboratory conditions
1999
Ondrisik, P. (Slovenska Polnohospodarska Univ., Nitra (Slovak Republic))
Migration of nutrients depending on applied fertilizers and the tested soil type (Fluvi-eutric Gleysol and Orthic Luvisol) was tested under laboratory conditions. The most expressive migration of nitrogen was from Orthic Luvisol after application of ammonium nitrate with calcite - 123.68 mg per lysimeter and the least from Fluvi-eutric Gleysol after application of UF-1 - 54.75 mg per lysimeter. The nitrate nitrogen predominated in lysimetric water 90-98% from total nitrogen. From ureaformaldehyde condensate, UF-1 (with the lowest activity index) had the most expressive influence on the reduction in inorganic nitrogen migration. A significant effect of the activity index of urea/formaldehyde fertilizers on N-migration was observed. From basic cations calcium predominated in lysimetric water. This cation was aporoximately 4-6 times more washed up than other cations
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