Fertilizer studies at the Oregon State University Vegetable
Research Farm were conducted for two years to evaluate the effect
of different nutrient sources on yield and selected quality components.
Sources of nutrients included sewage sludge, fresh and dried poultry
manure, a soybean residue from oil extraction, and several mineral
fertilizers....
The purpose of this investigation was to determine the nature of the
chemical constituents of incense cedar bark with the hope that such an endeavor
would spur future research, development and use of a now neglected
natural raw material.
The bark from nine trees, which were separated into three age...
A technique is presented for obtaining high resolution root locus plots and
Bode diagrams. This is done by translating the origin of coordinates to the area
of interest by an appropriate change of variable. The method is applicable to
hand calculations or use of a potential analog computer.
Examples include...
Recent investigations indicate that several latent viruses of
apples exist in common commercial apple stocks, but these viruses
and their relationships are incompletely understood. This thesis
describes investigations of crab apples as indicators of latent viruses
of apples.
Eighty-eight varieties and species of crab apples were tested
as indicators of...