Báo cáo lâm nghiệp: "2 CO assimilation M Pinto in young Prosopis plants" doc
Báo cáo lâm nghiệp: "2 CO assimilation M. Pinto in young Prosopis plants" doc
...
for
measurements.
Two,
which
devel-
oped
leaves
20
cm
from
the
apex
on
the
main
stem,
were
selected
and
C0
2
assimilation
rates
measured
in
a
Parkinson
chamber
(Parkinson
et ...
&
Dhal
B.E.
(1974)
A
physiological
study
of
developing
pods
and
leaves
of
honey
mesquite.
J.
Range
Manag.
27,
202-203
CO
2
assimilation
in
young
Prosopis
plan...
Báo cáo lâm nghiệp: "2 CO response curves can be a measured with field-portable closed-loop photosynthesis system" doc
...
performed
with
a
compact
and
portable
instrument.
However,
a
major
question
which
remains
is
leaf
tempera-
ture
control.
Leaf
temperature
control
in
the
LI-6200
chamber
relies ...
a
measurement
lasting
20
min
or
more,
are
a
matter
of
concern.
As
indicated
in
the
figure
legends,
leaf
temperature
control
in
artificial
environments
is
not
a
serious...
Báo cáo lâm nghiệp: "Drought and photosystem II activity in two Mediterranean oaks" doc
...
fluorescence
measurements
(fluorometer
PAM-2000,
Walz,
Germany).
Initial
fluorescence
F0
was
determined
by
applying
a
weak
modu-
lated
measuring
light
(0.1
μmol
m
-2
s
-1
, ...
related
pre-programmed
sequence
of
the
fluorometer
was
used,
giving
illumination
times
of
5
min
with
the
internal
LED
actinic
light
source
(up
to
500
μmol
m
-...
Báo cáo lâm nghiệp: "Water movement and its resistance in young trees of Cryptomeria japonica" pot
...
Japan
Introduction
Information
about
water
flow
resistance
is
essential
to
understanding
and
simulating
water
movement
in
trees
(Yahata,
1987).
There
are
a
number
of
papers
concerned
with ...
in
small
drilled
holes
in
the
stem
and
rootstock.
Diurnal
variation
of
the
ambient
temperature
of
the
sensors
was
minimized
to
within
less
than
1°C
by
the...
Báo cáo lâm nghiệp: "Interactions between root symbionts, root pathogens and actinorhizal plants" doc
...
soil
samples
from
both
vigorous
and
degen-
erating
Hippophae
vegetations,
generally
containing
T.
microphasmis,
significantly
improves
the
number
of
nodules
formed
per
seedling,
indicating ...
(Brinkman
et
al.)
which
occurs
in
low
numbers
and
the
smaller
plant
parasite
Tylenchorynchus
micro-
phasmis
Loof,
which
occurs
in
much
higher
densities.
Pot
exp...
Báo cáo lâm nghiệp:" Mature trees versus seedlings: Differences in leaf traits and gas exchange patterns in three co-occurring Mediterranean oaks" docx
... CO
2
assimilation figures may
thus be regarded as an estimate of the maximum assimilation rate of
each leaf type. Measurements were taken weekly on completely
expanded leaves at mid height in ... are included.
Figure 3. Mean (±S.E.) maximum stomatal conductance (g) and CO
2
assimilation rate per unit area (Aarea) and per unit mass (Amass) in
mature trees (dotted bars, n = 40) a...
Báo cáo lâm nghiệp: "Neuroptera, Raphidioptera and Mecoptera assemblages inhabiting young spruce (Picea abies) forests: dominance structure and seasonal activity patterns" docx
... Hemerobius pini,
Hemerobius humulinus, Dichrostigma flavipes, Phaeostigma notata, Panorpa communis and Panorpa germanica) is
discussed.
Keywords: Malaise traps; Neuroptera; Raphidioptera; Mecoptera; ... clearings, minimally 30 m inwards the forest.
e forest clearings are covered mainly by rough
reedgrass (Calamagrostis arundinacea) and shrubs
like bird cherry (Padus racemosa) are growi...
Báo cáo lâm nghiệp: "The use of silica sand in micropropagation of woods" pot
... hypotheses for the conformity of selection
averages for liquid and reinforced media (t-test from
Excel computer program tools).
Findings of the pH impact of nutrient media
A medium of ½ RM-1964 was ... clone.
Comparing cultures in sand and in agar
A medium of ½ RM-1964 with a content of 0.4 mg
BAP, pH 5.8, was manufactured. is medium was
used in part as liquid with sand (25 cm
3
s...
Báo cáo lâm nghiệp: "The root-plant ratio changes in the first growing periods of wild cherry (Prunus avium L.) plantations" pptx
... protected
from harmful biotic and abiotic factors e.g. weed
competition, game browsing, beetle infestation, etc.
e overcoming of “planting shock” is an important
factor where the root system role ... proportion of fine roots (thinner
than 2 mm) in the root system is another important
parameter of planting stock and thus the changes
in the fine root volume in the first growing perio...
Báo cáo lâm nghiệp: "About the benefits of poststratification in forest inventories" potx
... poststratified mean for systematic and random sampling, the latter compared with the rooted mean
variance estimate of the k replicated simple random samples and
~
σ
–
y
according to (7)
Random
Systematic
Sample ... well known as a means of
increasing the precision of estimates in unstratified
sampling by incorporating additional information
about strata weights in the final estimator...
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