Báo cáo lâm nghiệp: "Control of gas exchange: evidence for root-shoot communication on drying soil" doc
Báo cáo lâm nghiệp: "Control of gas exchange: evidence for root-shoot communication on drying soil" doc
...
originates
in
the
roots.
J.
Exp.
Bot 38, 11;
7
4-1181
Control
of
gas
exchange:
evidence
for
root-shoot
communication
on
drying
soil
T.
Gollan
1
W.J.
Davies
2
U. Schurr
J. Zhang
2
1
...
hydraulic
conductance
of
cot-
ton
plants.
Aust.
J.
Plant
Physiol.
12,
455-461
Pierce
M.
&
Raschke
K.
(1980)
Correlation
be-
tween
loss
of
turgor
and
accu...
Báo cáo lâm nghiệp: " Influence of stand density, thinning and elevated CO2 on stem wood density of spruce" pot
... in environmental conditions induce
unequal response of wood density to elevated CO
2
.
For example, at ambient temperatures, approxi-
mately 60% increase of the air’s CO
2
concentration
significantly ... the common formula for basic
wood density calculation (R 2001). SWD of
the stem disc t
3
was assorted to block of internodial
sections from the tree top to the t
3
s...
Báo cáo lâm nghiệp: "Diversity of endomycorrhizal fungi and their synergistic effect on the growth of Acacia catechu Willd." pot
... 1978. Effects of interac-
tion between different culture fractions of phosphobacteria
and Rhizobium on mycorrhizal infection, growth and
nodulation of Medicago sativa. Canadian Journal of Botany, ... inoculation of AM and
Rhizobium had a synergistic effect on nodulation,
plant growth, dry matter production and nitrogen
fixation. Increased N-fixation due to increased
mycorrhiz...
Báo cáo lâm nghiệp: "Evaluation of twenty-years-old pedunculate and sessile oak provenance tria" doc
... on Pla-
sy plot, the eleventh on Malenovice plot. A worse
result was recorded only on Tvrdonice plot.
DISCUSSION AND CONCLUSIONS
e forest management planning (P 2001)
sets the rotation ... diameter.
For the simplifi cation of their interpretation the re-
sults of phenological observations were graphically vi-
sualized using calculated weighted means of the point
evaluati...
Báo cáo lâm nghiệp: "Effects of spruce, beech and mixed commercial stand on humus conditions of forest soils" pdf
... Distribution of pH
KCl
in layers of forest floor and orga-
nomineral horizon in different forest stands
Fig. 3. Distribution of pH
H
2
O
in layers of forest floor and orga-
nomineral horizon in different forest ... Differentia-
tion of forest floor horizons – forest litter, mull and
detritus where the particular processes of decompo-
sition, mineralization and humification take place,...
Báo cáo lâm nghiệp: "Application of digital elevation model for mapping vegetation tiers" pdf
... Vegeta-
tion Science, 13: 603–606.
M M. (2000): Proposal of formation and classifica-
tion of outlines of geographically zonal vegetation tiers.
In: V J. (ed.): e Questions of Forest ... introduced as an
analogue of more general terms altitudinal vegeta-
tion zone or vegetation belt (see Z 1976a). Al-
titudinal zonation of vegetation has been known for a
long...
Báo cáo lâm nghiệp: "Evaluation of new silvicultural alternatives for Scots pine stands in northern Spain" pot
... the retention of a portion of the stand in the final
cutting, and the extension of rotation to fulfill these non-timber producing objectives in the other case. The results for one stand of Pinus
sylvestris ... Northwest simulations of ecological and economic effects, Ecol.
Appl. 5 (1995) 535–554.
[19] Hazell P., Gustafsson L., Retention of trees at final harvest – eva-
luation...
Báo cáo lâm nghiệp: "Use of stem diameter variations for detecting the effects of pathogens on plant water status" pptx
...
increase
of
transpiration);
2)
a
rapid
increase
in
the
stem
diameter
corre-
sponding
to
rehydration,
starting
soon
after
the
afternoon
decrease
in
transpiration;
and
3)
a
second ...
groups
of
three
plants
were
inoculated
with
each
fungus.
Con-
trols
consisted
of
two
additional
plants
treated
in
a
similar
way
but
with
plugs
of
PDA
only.
At
th...
Báo cáo lâm nghiệp: "Effects of elevated carbon dioxide on leaf gas exchange and growth of cork-oak (Quercus suber L) seedlings " pps
...
con-
centration
on
the
carbon
gain
of
Quercus
suber seedlings.
We
examined
the
effects
of
CO
2
enhancement
i)
on
leaf
gas
exchange
under
well-watered
conditions
and
moderate
drought ...
Stomatal
conductance,
photosynthesis
and
respiration
of
temperate
deciduous
tree
seedlings
grown
outdoors
at
an
elevated
concen-
tration
of
carbon
dioxide.
Plant...
Báo cáo lâm nghiệp: "Effects of soil temperature on gas exchange and morphological structure of shoot and root in 1 yr old Scots pine (Pinus sylvestris L.) seedlings" pot
...
of
the
curve
is
similar
to
that
for
transpiration.
Conclusions
Initiation
and
development
of
current
yr
needles
affected
the
results
of
gas
exchange
measurements.
The
decline ...
University
of
Helsinki,
Unioninkatu
40
B,
00170
Helsinki,
Finland
Introduction
Low
soil
temperature
is
one
of
the
envi-
ronmental
factors
affecting
early
growth
and
su...
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