Answers are grounded in this paper and cite their sources.
Studies on Soil Organic Matter: I. Influence of Phosphorus Content of Parent Materials on Accumulations of Carbon, Nitrogen, Sulfur, and Organic Phosphorus in Grassland Soils T. Walker;A.
No takes yet. Share an insight, caveat, or question.
Walker et al. (1958) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: