Báo cáo lâm nghiệp: "Biochemical aspects of inorganic nitrogen assimilation by woody plants" pdf
Báo cáo lâm nghiệp: "Biochemical aspects of inorganic nitrogen assimilation by woody plants" pdf
...
Springer-Verlag,
Berlin, pp.
137-141
Biochemical
aspects
of
inorganic
nitrogen
assimilation
by
woody
plants
G.R.
Stewart,
J.
Pearson
J.L.
Kershaw
E.C.M.
Clough
Department
of Biology
(Darwin
Building), ...
U.K.
Introduction
For
the
majority
of
woody
plants,
the
min-
eralization
of
organic
nitrogen
in
soil
pro-
vides
their
source
of
nitrogen
for...
Báo cáo lâm nghiệp: "Physiological aspects of seed conservation" pot
...
by
a
concentration
of
studies
on
the
topics
enumerated
below
l.
1.
Role
of
seed
dehydration
in
the
switch
from
the
developmental
program
of
lute
of
Botany,
University
of ...
storage
of
non-
dormant
and/or
deep-dormant
seeds
of
woody
plants,
where
the
whole
complex
of
problems
concerning
storage,
breaking
of
dormancy,
germination
and
form...
Báo cáo lâm nghiệp: "Opportunistic methods of controlling vegetation, inspired by natural plant succession dynamics with special reference to natural outmixing tendencies in a gap regeneration" pps
... Firstly, weed control is influenced by the degree of shading during the regeneration process. The principle of antibiosis can also
be used by sowing an admixture of herbs: these are invasive enough ... J.F., Lust N., Trends of development in
the early stages of mixed natural regeneration of ash and sycamore,
Silva Gandavensis 48 (1981) 1–29.
[21] Miegroet M.v., The choice of...
Báo cáo lâm nghiệp: "The effect of excess nitrogen and of insect defoliation on the frost hardiness of bark tissue of adult oaks" pot
...
in
frost
hardiness
of
the
bark
of
broad-leaved
deciduous
trees
with
elevated
leaf
nitrogen
concentrations.
However,
the
extent
of
the
contribution
of
excess
nitrogen
to
forest
damage, ...
effect
of
winter
frost
on
oak
damage
is
enhanced
by
a
supply
of
excess
nitrogen
and
by
preceding
insect
defoliation.
bark
/ frost
hardiness
/ insect
de...
Báo cáo lâm nghiệp: "Field studies of leaf gas exchanges (Elaeis guineensis Jacq.)" pdf
...
decreased
linearly
with
VPD
because
of
rapid
stoma-
tal
closing
(Fig.
3a,
b).
There
was
no
change
in
the
C0
2
assimilation
rate
as
a
result
of
changes
in
leaf
temperature ...
high
C0
2
assimilation
rate
is
quite
similar
to
those
of
fast
growing
temperate
trees,
such
as
Populus
sp.
((:eulemans
et aL,
1987)
and
slightly
higher
than
those
of...
Báo cáo lâm nghiệp: " Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history" potx
...
beginning of May and ended in mid-June with the
peak at the end of May and beginning of June in
2005 (Fig. 2). In 2006, the flight activity started later
in mid of May and lasted to the beginning of ... types of ecosystems (S
1996). Larvae live on branches under scales of co-
chineals (Sternorrhyncha: Coccinea) of Coccidae
(= Lecaniidae), adults can be found on bra...
Báo cáo lâm nghiệp: "The results of manipulated experiments with inoculation of Ips typographus (L., 1758) to spruce trees under various levels" potx
... were conducted in spruce stands in
north-western Slovakia. Some of trees were stressed by a lack of water caused by preparation of roofs under canopy.
Inoculation experiments with bark beetles ... 2000. Assessment of
site characteristics as predictors of the vulnerability of
Norway spruce (Picea abies Karst.) stands to attack by
Ips typographus L. (Col., Scolytidae). Jo...
Báo cáo lâm nghiệp: "The influence of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae)" doc
... variability of trees,
all logs were taken from one tree. Rearing was per-
formed at a stable temperature of about 24°C and in
the conditions of a long day (15 hours).
Estimation of the effect of sub-sterilizing ... F1 generation was done indirectly, by:
(A) evaluation of basic parameters: (1) number of
galleries per log, (2) number of mating chambers
per log, (3) number...
Báo cáo lâm nghiệp: "Spatial distribution of four spruce bark beetles in north-western Slovakia" pps
...
dissected at the base of the stem; midway between the base of the stem and the base of the crown; just below the base
of the crown; in the middle of the crown; and in the upper part of the crown. e ... species on majority of sites having high
intensity of infestation. Lower altitudes in the south-eastern part of the region were often infested by I. duplicatus
Sahlberg...
Báo cáo lâm nghiệp: "Initial evaluation of half-sib progenies of Norway spruce using the best line" potx
... and
Supported by the Czech University of Life Sciences in Prague, Faculty of Forestry and Environment, Project No.
41130/1312/413162.
Initial evaluation of half-sib progenies of Norway spruce ... is restricted to the random
component of the model. REML procedure consists
of a search through the entire range of parameter
space and the computation of the log-likelihood fo...
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