Báo cáo lâm nghiệp: "Excess nitrogen affects the frost sensitivity of the inner bark of Norway spruce" pdf
Báo cáo lâm nghiệp: "Excess nitrogen affects the frost sensitivity of the inner bark of Norway spruce" pdf
... between N and other nutrients in the needles;
(c) the frost sensitivity is related to the concentrations of
sugar and starch in the bark;
(d) the concentrations of sugar and starch in the bark are ... In another study
on 30–40 year-old Norway spruce in southern Sweden, the frost
sensitivity of the bark and hardiness status of needles were rela-
ted to...
Báo cáo lâm nghiệp: "Available nitrogen in the surface mineral layer of Serbian forest soils" docx
... fertilizer in the aboveground part of a plant, T
r
– amount of nitrogen absorbed
from fertilizer to the root of plants, U
c
– amount of nitrogen absorbed from the soil in the aboveground part of a ... aff ect the level of experimental crop yield. Be-
sides, neither the content of easily available mineral
forms of N nor the total quantities of the N fra...
Báo cáo lâm nghiệp: "Rodent-caused damage to forest trees from the viewpoint of forestry practice" potx
... of the locality (P > 0.05). Only in the areas
at the altitude of 600–700 m a.s.l. the rodent-caused
damage was lower than at other localities (P < 0.05).
A common characteristic of the ... initiation of an extensive research focused on
monitoring the population dynamics of rodents in
forest environment, their feeding behaviour and the
damage they cause. At...
Báo cáo lâm nghiệp: "Forest yield index and its applicability to the assessment of future forest yields" docx
... climate are the
main sources of the final error. In addition, the low
presence of some tree species in the source data set
negatively influenced the accuracy of the results. eo-
retically, the standard ... rates
of tree species situated in lower sites for the estima-
tion of their future growth on the basis of ecological
analogy. Both, the change in climate...
Báo cáo lâm nghiệp: "Air pollution load and stand nutrition in the Forest District Jablunkov, part Nýdek" docx
...
pollution stress. After the pollutant concentrations
in the air decreased, the main factor affecting the
forest stands is the state of forest soils which shows
the insufficiency of the main nutrients ... content in the
samples of spruce needles
Fig. 4. Ca/Al molar ratio in soil water
LH – under the humus horizon, L30 – at the depth of 30 cm
of mineral soil, L50...
Báo cáo lâm nghiệp: " Pinus pumila growth at different altitudes in the Svyatoi Nos Peninsula (Russia)" pps
... analyzed using the Kruskal-Wallis
test as the nonparametric analysis of variance be-
cause of the violation of the assumptions of ANOVA.
Statistical analyses were carried out using the pro-
gram ... 101–111 109
the most effective use of the shorter growing season
at the high site.
Anatomical structure of needles and shoots
In the needles of different species...
Báo cáo lâm nghiệp: "old hardiness as a factor for assessing the potential distribution of the Japanese pine sawyer Monochamus alternatus (Coleoptera: Cerambycidae) in China" pdf
... in theory the disease is
likely to extend farther and even exceed the distribution range
of the beetle. The beetle is one of the most important vectors
of the disease in China, control of the ... survival of the species. Accordingly, the January
isotherm rather than latitude is more useful for predicting the
northern limit of the beetle distribution. Also, t...
Báo cáo lâm nghiệp: "A fractal root model applied for estimating the root biomass and architecture in two tropical legume tree species" pps
... there is a need to investigate the
global relevance of these concepts when applied to other spe-
cies. The objective of our contribution is to research the ways
of improving the accuracy of the ... Here, we applied the D
m
of 5 mm.
The scaling factor
α
is defined as the ratio of the square of root diameter
before bifurcation ( ) to the sum of squares of...
Báo cáo lâm nghiệp: "Sexual reproduction in Populus I. Some physiological and biochemical events of the progamic phase" pdf
...
stigmas.
The
conca-
navalin
A-peroxidase
reaction
allowed
the
visualization
of
15
stigmatic
and
pollinic
glycoproteins.
Differences
were
observed,
according
to
the
type
of
cross: ...
increase
of
its
activity
(one
isoenzyme
of
isoelectric
point
about
pH
4.2)
from
6-20
h
after
pollination
was
detected
only
in
the
compatible
cross.
Conclusion
The...
Báo cáo lâm nghiệp: "Spatially constrained harvest scheduling for strip allocation under Moore and Neumann neighbourhood adjacency" pdf
... strips were eligible for
harvest at the beginning of the fi rst period. Of these
strips, 234 were cut in the fi rst period, 271 in the
second, and 279 in the third (Table 1). e remain-
ing ...
by multiplying vol/ha generated from the above
growth equation by the area of the unit. e objec-
tive of this study is to examine how the introduc-
tion of strips in a...
Từ khóa:
- báo cáo lâm nghiệp
- cách làm báo cáo tốt nghiệp
- hướng dẫn làm báo cáo tốt nghiệp khoa kế toán
- cách làm bìa báo cáo tốt nghiệp
- cách làm slide báo cáo tốt nghiệp
- cách làm báo cáo tốt nghiệp chuyên ngành kế toán
- cách làm powerpoint báo cáo tốt nghiệp
- tài liệu làm báo cáo tốt nghiệp
- cách làm bài báo cáo tốt nghiệp