Abstract
Soil samples were collected from terrestrial systems 44 months after they had been subjected to 22 months of sewage spray application. Data on pH, % organic matter, exchangeable hydrogen, phosphorus, potassium, magnesium, calcium, manganese, iron, aluminum, nitrate, and ammonia were generated for each soil horizon in three plots from two forest types. The three plots represent a control, treatment with primary sewage, and treatment with secondary sewage. There were no replicates. Differences in soil chemistry and/or structure between the three plots were assumed to be due to sewage application. Residual difference for a parameter, or changes remaining after 44 months, were considered significant if at least one Analysis of Variance (ANOVA) by horizon produced an F value corresponding to a p of .05. Analyses, data, and pH graphs are presented for future reference.
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