"The Use of sodium metaphosphate for dispersion of soils for mechanical analysis."; "Tyner, Edward Henry."; "Soils--Analysis.", "Agricultural chemistry."; "Tyner, Edward Henry."; "1939"; "Journal article reprint from: Soil Science Society of America. Proceedings, v.4 (1939)."; ""; "P17758"; "pec"; "Soils--Analysis.", "Agricultural chemistry."; "14256"; .