The rate and manner of bioniass loss from decomposing Douglas-fir and western hemlock boles in mid-elevation forests of the central Cascade Range were measured. Bole bark and wood were considered separately. Loss of bole wood due to respiration was measured by change in bole wood density. Loss of bole wood...
STATEMENT OF THE PROBLEM
Document-based educational information systems require systematic
acquisition efforts that must be conscientiously undertaken to build an
information system and to keep it current. These acquisition efforts
can be influenced by several variables. The major thrust of this
research was to investigate one of these variables, namely...
This study was undertaken in a Red Delicious apple orchard in
Oregon's Hood River Valley to determine if low leaf P concentrations
were contributing to such observed, orchard disorders as poor shoot
growth, shoot dieback and. small fruit size at harvest.
Subsurface applications of lime and superphosphate had no
effect...