Báo cáo lâm nghiệp: " Quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Indi" pdf
... nutrient content of aboveground biomass
of teak plantation in a tropical dry deciduous forest of Udaipur, Rajasthan, India. e nutrient contents in the total
biomass of teak in the plantation ... involved.
Plantation species of the genus Acacia, Pinus, Euca-
Quantication of nutrient content in the aboveground
biomass of...
...
Mn
and
three
for
Ca,
Mg
and
K).
Furthermore,
the
foliar
area
of
the
fourth
leaf
reveals
the
same
pattern
as
the
total
foliage
area
and
also
the
mineral
content
(data ...
also
determined
for
samples
collected
in
March
1994
before
planting.
Statistical
analysis
Growth
parameter
analyses
were
expressed
as
the
mean
of
20
individual
values...
... a laboratory from the research
area. The samples of litter mass were taken from
0.5 m
2
area by collecting all the litter mass in that
area. Rut depths were measured in the same points
of ... disturbance in a skid trail.
MATERIAL AND METHODS
A field study was conducted at a Forestry Ex-
perimental Station of Tarbiat Modares University,
located in a tempera...
... the diameter classes de-
fined from the inventory, and were felled. Tree aerial biomass was
separated in the field and then in the laboratory into leaves, twigs,
branches of diameter larger than ... d and total height: h) and stand measurements (basal
area: BA, dominant height: H and mean height:
H) as independent
variables. Two methods of achieving minimum variance in param...
... prediction of total height
and crown length.
– The equivalent stem diameter, calculated as the diameter of a stem
whose basal area was the sum of the basal areas of all the stems of
the clump, for ... input data.
The validation was made on a large range of measured PACL
values, ranging from 1.33% to 79.70%, including very closed
stand areas, small gaps and a l...
...
the
surface
of
the
fungal
plasma-
lemma
as
well
as
in
the
vacuoles.
The
plasmalemmal
activity
was
detected
when
the
hyphae
were
close
to
the
roots,
while
it
was
nearly ...
Methods
Plant
materials
and
mycorrhizal
synthesis
were
according
to
Malajczuk
et
al.
(1989).
Fine
lat-
eral
roots
were
sampled
after
2
and
4
d
of
incu-
bation
and...
... For the first
set of simulations, all the variables in the model were fixed
to values they take at the beginning of a ring, with excep-
tion of the variable of interest, which altered along the ring
(Fig. ... set of simulations, all the variables of the
model altered, with exception of the variable of interest, which
was fixed to its initial value at the b...
... Stars indicate a significant drought effect; p < 0.05 (aa = amino acids).
zones was also noted. As a consequence, C availability was
reduced and the defense ability of the Scot pines against ... induced a marked increase of δ
13
Cin
both amino acids and soluble sugars of healthy phloem. This
δ
13
C increase reflects the expected decrease in
13
C discrimina-
tion during C a...
... Mosedale J.R., Charrier B., Crouch N., Janin G., Savill P.S.,
Variation in the composition and content of ellagitanins in the
heartwood of European oaks (Quercus robur and Q. petraea). A
comparison ... closely linked to the ring width increase
of the samples. The enzymatic treatment has no significant effect on physical and mechanical characteristics of oak wood, exc...