Search for: [Abstract = "The samples of two soils \(0\-100 cm\) were taken from the valle of rivers were flooded in lysymeters by deionized water for 10 days. In both soils were determinated some physical and chemical properties\: in acid hyrolysate \- fraction of carbon and nitrogen \: and in alkaline extracts total amount of carbon and nitrogen as well as carbon in lumic and fulvic acids."]