Dependency between content of active calcium and a number of basic soil characteristics
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Author: Trendafilov, Krasimir; Valcheva, Violeta
Examples from cardinal soil areas in Bulgaria have been examined. Contents of CaCO3, active Ca, pH (H2)), humus and clay content have been defined. It is concluded that the method of determination of active Ca, has week sensitivity in non-calcaric and unsaturated soils. Whithin surface horizons results are influenced by composition of soil sorbion capacity.