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Filtering by: Subject Soil management -- Oregon

Field management effects on the thermal stability and activity of soil enzymes in whole soil and aggregates

Creator:

Bandick, Anna Katrina

Resource Type:

Masters Thesis
Cover crops and biochemical functional diversity in relation to nitrogen availability in soil

Creator:

Burket, John Zimmerman

Abstract:

Nitrogen availability in agricultural soils from fertilizer, plant residue inputs, and soil organic matter has important implications beyond crop yield. Legume winter cover crops and one fourth the recommended N rate on sweet corn resulted in yields equivalent to those at the recommended rate in the Willamette Valley of western...

Resource Type:

Dissertation
Manual for judging Oregon soils

Creator:

Huddleston, J. H. (James Herbert), 1942-, Kling, G. F., and Oregon State University. Extension Service

Abstract:

Covers soil basics such as soil formation, horizons, properties (including textural classes), profiles, site characteristics and evaluation, and the influences of soil characteristics on management decisions. Provides interpretation guides for permeability, water and wind erosion, drainage feasibility, irrigation suitability, most intensive crop, erosion control practice, and septic tank drainfields. Includes...

Resource Type:

Technical Report
Manual for judging Oregon soils

Creator:

Huddleston, J. H. (James Herbert), 1942-, Kling, G. F., and Oregon State University. Extension Service

Abstract:

Published September 1984. A more recent revision exists. Information within this publication may be outdated. Please check for up-to-date titles in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report