Báo cáo lâm nghiệp: "Comparative study species" pdf
Báo cáo lâm nghiệp: "Comparative study species" pdf
... Comparative
study
of
nitrogen
assimilation
in
woodland
species
J.
Pearson,
E.C.M.
Clough
J.L.
Kershaw
Department ...
to
have
lower
shoot:root
nitrate
reductase
(NR)
ratios
(Stewart
et
al.,
1988).
This
study
compares
the
level
of
leaf
NR
activity
in
several
northern
temperate
tree
species.
The
Báo cáo lâm nghiệp: "Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuani" pptx
... with the control and other
treatments.
Ack no wl e dg ement
e field and laboratory works of this study were
financed by the EU Project Wood for Energy – Con-
tribution to the Development of Sustainable ... Water, Air
and Soil Pollution, 85: 1039–1044.
CHAPIN F.S. III, VAN CLEVE K.,
1989. Approaches to
studying nutrient uptake, use and loss in plants. Plant
Physiological Ecology (Field...
Báo cáo lâm nghiệp: "Development of species composition in long term simulations with an individual-tree growth simulator" pps
...
PA, which represents the impacts of game
animals and management practises.
Acknowledgements
is study was carried out in the framework of the
research project EPIT – Emergent Properties of Indi-
vidual-tree ... never dying. erefore the results of
the long term simulations became unreliable. us,
in this study, coefficients b
4
and b
5
of the Norway
spruce model have been used...
Báo cáo lâm nghiệp: "Preliminary study on phloemogenesis in Norway spruce: influence of age and selected environmental factors" ppsx
... e forest type
is Abieto-Fagetum mesotrophicum with Oxalis ace-
tosella (5S1) (P 1987).
Our study was conducted on two adjacent re-
search plots (spruce monocultures) diff ering in
age. ... J. FOR. SCI., 57, 2011 (5): 226–232
JOURNAL OF FOREST SCIENCE, 57, 2011 (5): 226–232
Preliminary study on phloemogenesis in Norway spruce:
infl uence of age and selected environmental factors
G.
Báo cáo lâm nghiệp: "Divergence among species and populations of Mediterranean pines in biomass allocation of seedlings grown under two watering regimes" pps
... (APCI) found in this study (rang-
ing from 2.71 for RDW to 1.31 for H, Fig. 2). On the con-
trary, populations PR-AR and PR-CP proved to be markedly
stable for all traits under study (Tab. IV, Fig. ... allometry in mod-
ular organisms, in: Pigliucci M., Preston K.A. (Eds.), Phenotypic
Integration: studying the ecology and evolution of complex pheno-
types, Oxford University Press, 2003.
[...
Báo cáo lâm nghiệp: "Lysimetric study of eucalypt residue management effects on N leaching and mineralization" potx
... and placement) of woody residues
from eucalyptus plantations on N availability and leaching, a
study was developed in controlled conditions (lysimetric ex-
periment), in the absence of nutrient ... woody residues to release immobilized N.
2. MATERIALS AND METHODS
2.1. Lysimeter description
The study was carried out in a lysimetric station located in the
Instituto Superior de Agronomia, Li...
Báo cáo lâm nghiệp: "Experimental study of pine ectomycorrhizae: ectomycorrhizal organization after girdling of the hypocoty" potx
...
inf,
9
stans:
tuber
tissue.
Can.
J.
Bot.
54,
900-912
2
Lei
J.
&
Dexheimer
J.
(1988)
Study
of
the
basidiomycete
ectomycorrhizas.
Ultrastructural
localization
of
ATPase
activity ...
and
Development.
(M.B.
Wilkins,
ed.),
McGraw-Hill,
London,
pp.
383-417
7
Experimental
study
of
pine
ectomycorrhizae:
ectomycorrhizal
organization
after
girdling
of
the
hyp...
Báo cáo lâm nghiệp: "Macronutrients in tree stems and foliage: a comparative study of six temperate forest species planted at the same sites" pps
... observed in our study and in a study on nutrient con-
centrations in spruce and beech along the European transect [10].
The Ca/N ratio in spruce needles was relatively high in our
study and also ... significantly between
species in our study. However, beech, ash and spruce tended to
have lower P concentrations than lime, oak and birch (Tab. IV).
In a review study [43] the range of P...
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