Abstract
The possibility of accelerating the reaction of meliorant-freshly calcified soil in a solution of 1 n. KCl is shown. Changes in the pH value during 20 days of soil-solution interaction were traced. Differences in the reaction rate have been established when using ameliorants of various chemical nature for liming. It was revealed that the reclamation effect when using silicate materials in the experiment was less than that of carbonate. According to the effect achieved as a result of liming, all meliorants used in the experiment can be arranged in the following descending order: dolomite flour (DF), crushed stone screening (CSS) conversion chalk (CC), dolomitized limestone flour (DLF) blast furnace slag (BFS) shale ash (SA). Empirical models of changes in the pHKCl value over the entire experimental interval have been developed for all lime fertilizers. Clustering of individual variants of the experiment, produced by various meliorants, according to their effect on the pHKCl index over the entire period of study was carried out.
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