Báo cáo lâm nghiệp: "Effects of seedling density on the growth of Corsican pine (Pinus nigra var maritima Melv ), Scots pine (Pinus sylvestris L ) and Douglas-fir (Pseudotsuga menziesii Franco) in containers" ppt
...
growth
of
Corsican
pine
(Pinus
nigra
var.
maritima
Melv. ),
Scots
pine
(Pinus
sylvestris
L. )
and
Douglas-fir
(Pseudotsuga
menziesii
Franco)
in
containers
Richard
Jinks
a
Bill
Mason
b
a
...
Instruments
Ltd
Llandrind-Wells,
UK).
2.4.
Experiment
4
The
effects
of cell
volume
and
seedling
den-
sity
on
the
growth
of...
... kaempferi (Lindley) Car-
rière) and Scots pine (Pinus sylvestris L. ) in a wide range of
ecological and management conditions in the temperate cli-
mate zone, and (ii) to propose a simple model to predict ... thin-
ning correction.
The variations of the G-extinction coefficient b is actually
a combined effect of the variation of LAI-extinction coeffici...
...
extremes in the progress of time. Unlike them we
dealt with dividing the runoff into components
using the analysis of hydrograph by separation its
recession limb and determining only the runoff con-
stituents ... (197 3): Principles and applications. Part II – eo-
ries of drainage and watershed runoff. Wageningen, Interna-
tional Institute of Land Reclamation and...
... body and
eggs. K (198 8) mentions similar results in the
increased consumption of food in the creation of a fat
body in females of Lochmaea caprae (L. ) Differences
of imagoes in the consumption ... N-NH
4
+
(determined in the leach
in 1% potassium sulphate solution), pH value (H
2
O,
KCl) (Table 1). e C:N fluctuation could be caused
by the un...
... another factor indicat-
ing man-conditioned acidification of the soil profile.
According to the classification of buffer zones, the
spruce monoculture occurs predominantly in the
aluminium zone, ... 199 7).
As for the division of soils according to the values of
soil reaction into particular buffer zones, soil under
the broadleaved stand falls to the exchangeable z...
... roseolus showed the highest levels
of Mn in their needles (Fig. 2f). For all inoculation treatments,
the levels of Mn in needles were significantly lower in seedlings
grown in p/pb than in p/v ... basidioma and
the ease of application of this type of inoculum makes of it a
method particularly well suited for large-scale inoculation of
containerised seedlings i...
... rainfall values in the spring
season, there is no correlation between the growth of the rings
and the rainfall in any other season or the annual total. Figure 6
shows the relationship between these ... underlined the importance
of climatic conditions operating on the tree seedlings during the
first year of planting on the land. Fernández et al. [13] indic...
... as in the stands under pest control. The
main cause of this collapse was probably the effect of cold and
rainy weather on trees and bark beetles, as well as the increase
Variable management and ... p < 0.00 1), especially during the
culmination phase (1994–199 7). Even if the progradation
phase started earlier in Poland, the real beginning of the ou...
... time, one of the following treat-
ments was applied to the most distal offspring shoot of each labelled
parent shoot (Fig. 1): (t. 1) clipping of the apex, including all folded
leaves; (t. 2) clipping ... ( 1) position
on the parent shoot of the most proximal offspring shoot, ( 2) diameter
of the thickest offspring shoot, ( 3) length of the longest...
... been initiated under
FL before the start of the experiment and, unlike seedlings
growing under FL and LS, only a small portion of the leaves
actually initiated their growth after the start of the ... photochemical quenching (q
P
); (B) non-
photochemical quenching (NPQ); (C) quantum yield of PS II (φ
PS II
);
and (D) electron transport rate (ETR). The symbols...