Báo cáo lâm nghiệp: "Tabebuia heterophylla (DC) Britton ; données nouvelles sur la reproduction sexuée et" pot
Báo cáo lâm nghiệp: "Tabebuia heterophylla (DC) Britton ; données nouvelles sur la reproduction sexuée et" pot
... Note
technique
Tabebuia
heterophylla
(DC)
Britton ;
données
nouvelles
sur
la
reproduction
sexuée
et
végétative
R.
HUC,
M.
BARITEAU
R.
HUC,
,
Départemen
M. ...
sur
la
reproduction
sexuée,
sur
les
caractères
végétatifs
apparents,
et
sur
la
croissance
en
diamètre
par
rubans
dendrométriques.
Les
Summary
Tabebuia
heterophylla
(DC)
Brit...
Báo cáo lâm nghiệp: "The influence of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae)" doc
... Štiavnické vrchy Hills (GPS co-ordinates:
N: 48°28.175&apos ;; E: 18°52.241'), West Carpathians,
Central Europe, in their endemic populations in
spruce monocultures, where the parasitism and ...
významný – (a) F = 0,609, d.f. = 4, P = 0,56 0; (b) F = 1,883, d.f. = 4, P = 0,19 4; (c) F = 1,322, d.f. = 4, P = 0,30 3; (d) F =
0,373, d.f. = 4, P = 0,69 7; (e) F = 0,519, d.f...
Báo cáo lâm nghiệp: "A contribution to the resistance of combined plywood materials to abrasion" potx
... of their use.
Keywords: abrasion resistance; foliated plywood; phenol foil; glass fibre; high-pressure laminate; abrasion; phenol-
formaldehyde resin; Taber abraser
Supported by the Ministry of ... (High-pressure Decorative
HPL Laminates. Boards based on reaction-plastics.
Part 1. Introduction and general information) and
ČSN EN 438-2 standard (High-pressure Decorative
HPL Laminates. ......
![Báo cáo lâm nghiệp: "Polyamines during somatic embryo development in Norway spruce (Picea abies [L.])" potx](https://media.store123doc.com/images/document/2014_08/07/medium_xmd1407381712.jpg)
Báo cáo lâm nghiệp: "Polyamines during somatic embryo development in Norway spruce (Picea abies [L.])" potx
... spruce; somatic embryogenesis; putrescine; spermidine; spermine
Abbreviations: abscisic acid – ABA; 6-benzylaminopurine – BAP; cytokinins – CKs; 2,4 dichlorophenoxyacetic acid
– 2,4-D; indolylbutyric ... plants by means of so-
matic embryogenesis in the Norway spruce (Picea
abies [L.] Karst.) was described by many authors
(B 198 5; H et al. 198 5; A,
F 199 3;...
Báo cáo lâm nghiệp: " A state-space approach to stand growth modelling of European beech" pot
... Institute, Research Report, Vol. 5, Springer-Verlag,
Berlin, Heidelberg, 1996.
[45] Verhulst P.F., Recherches mathématiques sur la loi d’accroissement
de la population, Nouv. mém. Académie Royale des ... state may be ei-
ther [23]:
1. Fixed initial values;
2. The first measurement at each plot;
3. The previous measurement of each state-variable ;
4. Estimated initial values, (i) comm...
Báo cáo lâm nghiệp:"Propriétés des merrains affinés dans une solution d’enzymes naturels et destinés à la tonnellerie" pot
... et classe de largeur des cernes
(tableau II). Au sein de chaque classe de largeur des cernes, la
réalisation d’une analyse de la variance à un facteur (tonnelle-
rie), en considérant la largeur ... propriétés étudiées, par tonnellerie, par classe de largeur des cernes (LC) et par
traitement.
Classe de largeur des cernes LC < 2 mm 2 mm < LC < 3 mm LC > 3 mm
Traitement Traité...
Báo cáo lâm nghiệp:"Inter-annual mobility of nitrogen between beech rings: a labelling experiment" pot
... comparison of
beech and pedunculate oak from the Belgian Ardennes, Ann. For.
Sci. 58 (2001) 253–260.
[18] Peñuelas J., Estiarte M., Trends in plant carbon concentration and
plant demand for N throughout ... during labelling sup-
ports the hypothesis of a large incorporation of N in structural
components during the year when N was taken up by the trees.
In contrast, in the rings formed prior t...
Báo cáo lâm nghiệp: "Insect damage to cones and other mortality factors limiting natural regeneration potential of Swiss stone pine (Pinus cembra L) in the northern French Alps" doc
...
These
similarities
lead
to
assume
that
specific
physical
and/or
chem-
ical
barrier,
as
well
as
biotic
barrier —
seed
predation
by
nutcracker —
may
limit ...
Yates,
197 4;
Roques,
197 7;
Mattson,
197 8;
Rauf
et
al,
1985).
However,
stone
pines
differ
because
of
the
additional
harvest
of
the
surviving
second-
year
cones
by
t...
Báo cáo lâm nghiệp: " Probability of ectomycorrhizal infection in a declining stand of common oak" pot
...
Bosshard,
198 6;
Keizer,
1993):
class
0:
<
20%
defoliation;
class
1:
20-45%
defoliation;
class
2:
45-70%
defoliation;
class
3:
>
70%
defoliation.
Decline
classes
were ...
quan-
tity
of
mycorrhizae
(Liss
et
al,
198 4;
Meyer,
198 4;
Fellner,
198 8;
Wargo
et
al,
198 8;
Termorshuizen,
199 0;
Jansen,
199 1;
Keizer,
1993).
However,...
Báo cáo lâm nghiệp: "Influence d’une substitution d’espèce sur le fonctionnement biogéochimique de l’écosystème forêt" docx
...
à
la
fixation
de
soufre
sulfate
(qui,
en
retour,
n’est
pas
sans
effet
sur
la
pédogénèse)
(C
HAO
et
al.,
1965 ;
H
AWARD
&
R
EISENAUFR
,
1966 ;
G
EBHARDT
&
C
OLEMAN
, ...
intervient
de
façon
importante
à
la
fois
dans
la
nutrition
-
l’équilibre
N/S
règle
la
protéosynthèse
(K
ELLY
&
L
AMBERT
,
1972 ;
C
LEMENT
&
GES...
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