1996 | OriginalPaper | Buchkapitel
Seven Decades of Sludge Compost Marketing
verfasst von : Kathryn Kellogg Johnson
Erschienen in: The Science of Composting
Verlag: Springer Netherlands
Enthalten in: Professional Book Archive
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In the early 1920’s, H. Clay Kellogg, Sr., a surveyor by profession, was working at a dry river bed in Santa Ana, California. He noticed luxuriant vegetation growing along the bank. Observing that this growth seemed to result from the sludge in which it was growing. he took some of the black material home to experiment.