אסיף מאגר המחקר החקלאי

The effect of mineral weathering and soil solution concentration on ESR—SAR relationships of arid and semi‐arid zone soils from Israel

Year:

1984

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Volume :

35

Co-Authors:

FRENKEL, H., Division of Soil Physical Chemistry, Institute of Soils and Water, Volcani Centre, Bet Dagan, Israel
ALPEROVITCH, N., Division of Soil Physical Chemistry, Institute of Soils and Water, Volcani Centre, Bet Dagan, Israel

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Abstract:

ESR—SAR relationships of 623 soil samples from arid and semi‐arid zones in Israel were found to depend on soil salinity and cation exchange capacity as reflected crudely by the saturation percentage. The Gapon constant decreased as salinity increased and, for a given salinity level, it also decreased as the soil saturation percentage (SP) increased. There was no relationship between ESR and SAR for soils with low SP values (20–40) or low salinity levels (0.2–2 dSm−1). Regression equations are presented for different salinity and saturation percentage levels. Copyright © 1984, Wiley Blackwell. All rights reserved

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