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...
This symposium dealt primarily with one important aspect of wood quality, namely specific gravity as determined in standing timber by the increment core sampling method. It covered the status of research in this area, the importance of the work, present and potential uses for wood density data, and the need...
Published February 1946. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Pseudotsuga menziesii dominates the forests of the Pacific Northwest.
But though it is dominat, Tsuaa heteroohylla or Abies amabilis
is usually climax. Many researchers have studied Pseudotsuga on the
widespread mesic sites where it is seral, but few have examined the
relatively rare ecosystems in which Pseudotsuga or its associate...
A home computer revolution is predicted to change America in the
next 20 years. If this is to occur, a consumer must perceive the
home computer as a technological resource. According to consumer
behavior studies, acceptance of a new product is based on internal
determinants, which are affected by environmental...
Background. The prevalence of pediatric dental caries (PDC) is 55.7% nationally, 52% in Oregon, and 73% in Southeastern Oregon. We examined prevention programs, clinical services, and water fluoride levels in Southeastern Oregon to understand the high PDC prevalence.
Methods. We conducted telephone surveys and used secondary data to assess water...