Báo cáo lâm nghiệp: "Field trials of potential attractants and inhibitors for pine shoot beetles in the Yunnan province, China" pps
Báo cáo lâm nghiệp: "Field trials of potential attractants and inhibitors for pine shoot beetles in the Yunnan province, China" pps
... pine and other pine species,
and between the trunk xylem and twig xylem and phloem of
Yunnan pines. Unlike Pinus sylvestris L., a major host of
T. piniperda in Europe, the trunk xylem of P. yunnanensis ... attractiveness of the YB lures may be in the late
spring-early summer, when the beetles are dispersing to the
shoots. Our results and the profile...
Báo cáo lâm nghiệp: "Field performance of Pinus pinea and P. halepensis seedlings inoculated with Rhizopogon spp. and outplanted in formerly arable land Javier" ppsx
... deter-
mine the usefulness and possibilities of this simple way of esti-
mating plant performance after outplanting. Inoculation of
seedlings for the restoration of formerly arable lands under the
established ... with inoculated and non-inoculated
seedlings in an abandoned cereal field representative of the
Mediterranean area. Pinus halepensis Mill. and Pinus pinea...
Báo cáo lâm nghiệp: "Energy consumption of a chipper coupled to a universal wheel skidder in the process of chipping wood" pptx
... directly in the scrub, on the skid road and in the
factory. ese are input materials for subsequent in-
dustrial delimbing, e.g. in chemical industry for the
production of cellulose and paper, in ... the result of
chipping, e.g. the shape and position of a loading
inlet, shape and setting of knives, number of knives
on a disc and also the s...
Báo cáo lâm nghiệp: " Diurnal evolution of water flow and potential in an individual spruce: experimental and theoretical study" pps
...
obtain
an
estimation
of
the
total
re-
sistance
of
the
transpirational
pathway
(Fig.
3).
It
is
possible
to
determine
the
3
parameters
(2
resistances
and
1
capacitance)
of ...
of
the
equi-
valent
circuit
having
the
same
transfer
function
(=
transpiration
versus
absorption).
This
trans-
formation
allows
those
interested
in
water
balance
of...
Báo cáo lâm nghiệp: "Field studies of leaf gas exchanges (Elaeis guineensis Jacq.)" pdf
...
in
the
field:
Bolle-Jones
(1968)
determined
the
amount
of
soluble
sugars
in
9
yr
old
leaf-
lets
and
Corley
(1983)
observed
the
effects
of
leaf
senescence
on
photosyn-
thesis ...
variations
in
leaf
photosyn-
thesis
with
internal
and
external
factors.
Several
authors
have
been
working
on
the
C0
2
assimilation
rate
(A)
in
oil
palm.
Most...
Báo cáo lâm nghiệp: " Floodplain forests of Litovelské Pomoraví and their management" pps
... verge the winding of the river.
e prevailing STG in the floodplain forests of
Litovelské Pomoraví are Ulmi-fraxineta carpini v.s.
of a higher class in the driest part of the alluvium out
of the ... classified and described in detail. Assessment of the ecological stability of the forest stand was carried out using
biogeographical differentiation of the...
Báo cáo lâm nghiệp: "Antioxidant properties of wood extracts and colour stability of woods" pps
... + L· → (t
3
)
In the present case, the inducer is AIBN and LH stands
for the substrate to be oxidized, methyl linoleate; in the
simplest case – high pressure of oxygen – the termination
steps ... most of our extracts
inhibit the AIBN initiated oxidation of methyl linoleate. Of
the industrial extracts, pine, walnut-tree and pecan extracts are
the less efficient...
Báo cáo lâm nghiệp: "Effect of leaf biomass and phenological structure of the canopy on plot growth in a deciduous hardwood forest in northern Japan" pot
... elongation of long shoots becomes less
important, and the maintenance of foliage by short shoots becomes
increasingly important. Therefore, as the stand develops, the pro-
portion of long shoots in the ... number and basal area in the study plots. Thinning was performed in 1984. Values (stem number and basal area just before and
after thinning and thinning rati...
Báo cáo lâm nghiệp: "Botanical determinants of foliage clumping and light interception in two-year-old coppice poplar canopies: assessment from 3-D plant mock-ups" ppsx
... dur-
ing early spring, revealing that changes in canopy LAI rather
than in µ was the determinant factor driving light interception
during a large fraction of the growing season. This is in agree-
ment ... 4). τ and µ
were generally more sensitive to the tested scenarios in Gho
than in Tri. Additionally, decreasing effects over time in µ
rather than in τ for Gho and...
Báo cáo lâm nghiệp: " Differential effects of N, P and K on photosynthesis and partitioning of N in Pinus pinaster needles" pptx
... fertiliser often increases the growth of Pinus
pinaster Ait. and other conifers [24, 38]. The mass and area of
foliage increases following fertiliser application, and this par-
tially explains the growth ... [55]. Together
these findings cast doubt on whether photosynthesis plays a
general and/ or lasting role in the response of growth to fertiliser
addition. The abse...
Từ khóa: