Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Subject Nitrates -- Environmental aspects -- Oregon -- Morrow County Degree Field Bioresource Engineering

A statistical evaluation of the water quality impacts of Best Management Practices installed at Tillamook County dairies

Creator:

Dorsey-Kramer, Jadene

Abstract:

The overall goal of this study was to determine if the Tillamook Bay tributaries' water quality has improved as a result of the Best Management Practices (BMP) installed at Tillamook County Dairies. The Rural Clean Water Program (RCWP) was a 10 to 15 year experiment designed to control agricultural non-point...

Resource Type:

Masters Thesis

Full Text:

County, Oregon promoted the installation of manure management facilities and nutrient management
Monitoring potential groundwater contamination due to agricultural production in Lane County, Oregon

Creator:

Gatchell, Lance O.

Resource Type:

Masters Thesis

Full Text:

subsurface samplers. Soil cores were collected on five farms in Lane County, Oregon at 1 m depth and soil
An eleven year study of nitrate leaching in vegetable production with winter cover crops

Creator:

Feaga, Jeff

Abstract:

The Willamette Valley of Oregon has high rates of winter precipitation that cause leaching losses of residual fertilizer nitrogen (N) as nitrate (NO₃). Cover crops may have potential to mitigate N loss. Shallow groundwater was sampled for 11 years from plots planted in summer vegetables with and without winter cover...

Resource Type:

Masters Thesis
Feasibility study for a Tillamook County dairy waste treatment and methane generation facility

Creator:

Edgar, Thom G.

Abstract:

With the expansion of the Tillamook Creamery, in Tillamook Oregon, to double or more its cheese production, the demand for milk presents an economic opportunity for the member dairies of the Tillamook County Creamery Association. Before area dairies can expand their herd size to increase milk production for the creamery,...

Resource Type:

Masters Thesis

Full Text:

Feasibility study for a Tillamook County dairy waste