TY - JOUR

T1 - Acidity Field of Sols as Ion-Exchange Systems and the Diagnostics og Genetic soil Horizons

AU - Kokotov, Y.A.

AU - Sukhacheva, E.Y.

AU - Aparin, B.F.

PY - 2014

Y1 - 2014

N2 - For the comprehensive description of the acidity of a two-phase ion-exchange system, we should analyze two curves of the ionite titration by a strong base in water and salt solutions and find the quantitative relationships between the corresponding pH characteristics. An idea of the three-dimensional field of acidity of ion-exchange systems (the phase space of the soil acidity characteristics) and its three two-dimensional projections is suggested. For soils, three interrelated characteristics—the pH values of the salt and water extracts and the degree of base saturation—can serve as spatial coordinates for the acidity field. Representation of factual data in this field makes it possible to compare and analyze the acidity characteristics of different soils and soil horizons and to determine their specific features. Differentiation of the field into separate volumes allows one to present the data in a discrete form. We have studied the distribution patterns of the groups of soil horizons from Leningrad oblast

AB - For the comprehensive description of the acidity of a two-phase ion-exchange system, we should analyze two curves of the ionite titration by a strong base in water and salt solutions and find the quantitative relationships between the corresponding pH characteristics. An idea of the three-dimensional field of acidity of ion-exchange systems (the phase space of the soil acidity characteristics) and its three two-dimensional projections is suggested. For soils, three interrelated characteristics—the pH values of the salt and water extracts and the degree of base saturation—can serve as spatial coordinates for the acidity field. Representation of factual data in this field makes it possible to compare and analyze the acidity characteristics of different soils and soil horizons and to determine their specific features. Differentiation of the field into separate volumes allows one to present the data in a discrete form. We have studied the distribution patterns of the groups of soil horizons from Leningrad oblast

KW - soils acidity titration curves distribution coefficient Henry’s constant classification

U2 - 10.1134/S1064229314120072

DO - 10.1134/S1064229314120072

M3 - Article

VL - 47

SP - 1227

EP - 1237

JO - Eurasian Soil Science

JF - Eurasian Soil Science

SN - 1064-2293

IS - 12

ER -