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Relationship between organic matter content of certain virgin orthic topsoils, soil properties and climatic data in South Africa

, : Relationship between organic matter content of certain virgin orthic topsoils, soil properties and climatic data in South Africa. South African Journal of Plant and Soil 10(4): 168-173

The aim of this investigation was to determine whether the organic matter content of virgin orthic A-horizons, underlain by red apedal, yellow-brown apedal and soft plinthic B-horizons, can be calculated from available or easily measurable soil properties and climatic data. Virgin orthic topsoils (0-200 mm) were sampled at 41 localities which were well distributed throughout the summer rainfall area (25 degrees -30 degrees S and 24 degrees -30 degrees E).

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