The preparation of suitable sites for planting and growing of tree seedlings following logging is recognized by British Columbia Forest Service as a major silvicultural problem in the Central and Northern Interior regions of the province. Over the past few decades, scarification trials have been made with various types of...
Genetic and environmental factors affecting age of first estrus,
wool production, reproduction and lamb production were examined in
eight groups of crossbred ewe lambs from two birth years. The 399
ewe lambs whose first year production was analyzed were from eight
crossbred groups resulting from mating North Country Cheviot, Dorset,...
This study develops a general discrete flow model which is
discrete both in time and space. A stirred tank network model
(continuous time compartment model) is summarized and then compared
with the discrete flow model. Both models make use of a
fractional input matrix with elements representing the fraction of...
The purpose of this study was twofold: First, to establish a means
of assessing the degree of professional status accorded student personnel
workers by constructing an attitude questionnaire, for student
clientele, based upon statements derived from eight criteria for
evaluating professional status; Second, to determine and analyze the
attitudes measured...
In the mild climate of the Pacific Northwest, the harvesting of
deciduous shade trees in wholesale nurseries is prolonged from
October to January because of autumn growth and prolonged leaf
retention. Economically, it is advantageous to defoliate nursery trees
at the earliest possible date. Premature defoliation, however, can
cause die...