Oregon State University. Extension Service; Horneck, Donald Arthur; Hart, John M. (John Mervyn), 1947-; Stevens, R.; Petrie, S.; Altland, James Elmer, 1973- (Corvallis, Or. : Extension Service, Oregon State University, 2004-02)
Soil acidification sometimes is necessary for optimum plant growth
west of the Cascade Mountain Range. Commercial producers of
blueberries, azaleas, rhododendrons, and other ornamentals may
need to reduce soil pH for ...