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Filtering by: Creator Rochman, Chelsea M. Committee Member Dick, Richard Resource Type Masters Thesis

Long-term effects of tillage, nitrogen, and rainfall on winter wheat yields

Creator:

Camara, Kelli Marie

Abstract:

Winter wheat is commonly grown in dryland cropping systems in the Pacific Northwest region of semi-arid eastern Oregon. For agronomic, economic, and environmental reasons, it is important to understand the long-term sustainability of such dryland systems. The objective of this study was to evaluate the long-term effects of tillage, nitrogen...

Resource Type:

Masters Thesis

Full Text:

180 kg ha -I. Soil depth of individual plots ranged from 1.2- to 3 .O-m. The study was divided
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