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Filtering by: Subject Dairy waste -- Oregon -- Willamette River Valley Committee Member Ingham, Russ Rights Statement Copyright Not Evaluated

Duration of saturation and redox potentials in selected Willamette Valley soils

Creator:

Austin, Will

Resource Type:

Masters Thesis

Full Text:

the Willamette Valley of Oregon was warmer and drier than normal. The data collected during 1991-1992
Distribution of Oligonychus (Oligonychus) ununguis (Jacobi) (Acari: Tetranychidae) and predator mite species (Acair: Phytoseiidae) on field-grown Douglas-fir (Pseudotsuga menziesii [Mirb] Franco) Christmas trees

Creator:

Calkin, James D.

Abstract:

The shake and wash technique (samples placed in a jar with alcohol added and shaken to remove the mites) was effective in removing 100% of the predator mites, and adult spruce spider mites from Douglas-fir foliage and 98% of the spruce spider mite nymphs. Eighty-eight percent of the spruce spider...

Resource Type:

Masters Thesis

Full Text:

Willamette Valley, Oregon. When overwintering spruce spider mite egg densities populations were low (<5 eggs