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Filtering by: Creator Mangum, Doris Louella Resource Type Masters Thesis

Influence of anhydrous ammonia on the solubility of soil organic matter

Creator:

Mangum, Doris Louella

Abstract:

Four surface and three subsurface horizons of agriculturally important Oregon soils were exposed to excessive volumes of anhydrous ammonia and reequilibrated with the atmosphere for several time periods prior to extraction with water. The carbon solubilized was determined by a modified wet combustion technique. Nitrogen in the soils, extracts, and...

Resource Type:

Masters Thesis

Full Text:

organic matter AN ABSTRACT OF THE THESIS OF DORIS LOUELLA MANGUM for the M. S. in SOIL SCIENCE (Name
The status of organic materials in several southern Willamette Valley grassland soils

Creator:

Laurent, Tom Edwin

Resource Type:

Masters Thesis