Studies on the absorption of the active component of herbadox /N-(1-Ethylpropyl)-2, 6-Dintro-3, 4-Xylidine/ on soil humic acids - Miraflor, Noel L. (1990)
Computer print-out (photocopy).
Thesis (M.S.)--University of the Philipppines, Diliman.
Keywords: Soil acidity -- Philippines -- North Cotobato; Humic acid; Soil absorption and adsorption; Soils -- Humic acid content