Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: Dec. 12, 2022
Abstract
Aims
To
study
the
effect
of
drip
irrigation
mulching
and
most
suitable
system
for
Cyperus
esculentus
L.
,
to
provide
a
reference
construction
cultivation
model
water-saving
high
yield
management
esculentus.
Methods
effects
control
on
nutrients
biomass
esculentus,
combination
field
indoor
experiments
analyzed
film
(FM)
no
(NFM)
treatments
different
treatments,
CK
(control,
common
local
5316.45
m3·ha
-2
),
T1
(3431.40
)
T2
(4133.85
correlation
between
soil
plant
nutrient
content
biomass.
Results
The
result
showed
that
contents
organ
carbon
(SOC),
total
nitrogen
(STN),
phosphorus
(STP)
dropped
layer
by
with
depth
increased,
reduced
SOC,
STN,
STP
contents,
reaching
maximum
under
T2NFM
treatment.
treatment
significantly
increased
leaf
(LTP)
root
(RTN).
aboveground
underground
reached
T2FM
treatment,
followed
higher
FM
than
NFM
According
analysis
could
be
improved
changing
water
fertilizer
supply.
Conclusion
In
conclusion,
region's
soils
are
generally
nitrogen-limited,
therefore
supplemental
fertilization
is
recommended
agricultural
production.
addition,
4133.85
m
3
·ha
condition
not
only
but
also
saved
resources.
Global Ecology and Conservation,
Journal Year:
2024,
Volume and Issue:
51, P. e02885 - e02885
Published: March 5, 2024
Ecological
stoichiometry
assessment
provides
insight
into
the
interactions
between
foliar-litter-soil
dynamics
among
dominant
tree
species
and
facilitates
their
conservation.
However,
little
research
has
been
carried
out
on
such
trends
within
mixed
forest
ecosystems
in
national
nature
reserves
globally.
The
present
study
fills
this
knowledge
gap
by
examining
ecological
of
at
various
altitudes
desirable
southern
China.
This
concentrates
six
representative
plant
communities,
each
pivotal
maintaining
carbon
(C),
nitrogen
(N),
phosphorus
(P),
potassium
(K)
balances,
along
with
energy
flows.
selected
communities
encompass
two
plantations
comprising
Cunninghamia
lanceolata
Phyllostachys
edulis
four
natural
forests,
including
evergreen
broad-leaved
(Manglietia
conifera),
deciduous
(Daphniphyllum
macropodum
Acer
davidii),
consisting
Fagus
longipetiolata,
coniferous
(Tsuga
chinensis).
Furthermore,
involved
measurement
C,
N,
P,
K
contents
foliage,
litter,
soil.
outcomes
revealed
significant
variations
foliar,
soil
stoichiometric
attributes
across
communities.
Correlation
analysis
highlighted
substantial
positive
associations
N
P
foliar
litter
components,
while
exhibited
insignificance.
Broad-leaved
forests
generally
displayed
higher
leaf
compared
to
forests.
exceptions
observed
content
M.
conifera
D.
F.
longipetiolata.
high-altitude
T.
chinensis
one
highest
ratios.
Notably,
demonstrated
richness
but
deficiency
K,
impacting
growth
limiting
availability.
Additionally,
low
hindered
decomposition.
nutrient
ratios
other
nutrients
remained
relatively
stable
except
for
C:
which
were
consistent
homeostasis
theory.
These
findings
provide
scientific
evidence
cycle
regulation,
ecosystem
protection,
valuable
insights
complex
relationships
Global Change Biology,
Journal Year:
2023,
Volume and Issue:
29(17), P. 5000 - 5013
Published: July 10, 2023
Positive
feedback
is
key
to
producing
alternative
stable
states
and
largely
determines
ecological
resilience
in
response
external
perturbations.
Understanding
the
positive
mechanisms
macrophyte-dominated
lakes
crucial
for
resilience-based
management
restoration.
Based
on
field
investigation
of
submerged
macrophyte
communities
35
China,
we
found
that
morphological
complexity
(MC)
plasticity
(MP)
are
correlated
with
stoichiometric
homeostasis
phosphorus
(HP
)
related
ecosystem
structure,
functioning,
stability.
We
also
strength
dominated
by
macrophytes
biomass-
diversity-dependent.
Eutrophication
can
decrease
community
biomass
decreasing
MC,
MP,
HP
species
diversity
through
low-light
availability,
ultimately
clear
water
states.
argue
functional
traits
should
be
considered
build
more
resilient
ecosystems
future
changing
environment
scenarios.
Ecology and Evolution,
Journal Year:
2024,
Volume and Issue:
14(3)
Published: March 1, 2024
Abstract
Ecological
stoichiometry
is
an
important
approach
to
understand
plant
nutrient
cycling
and
balance
in
the
forest
ecosystem.
However,
understanding
of
stoichiometric
patterns
through
leaf‐litter‐soil
system
Mongolian
pine
among
different
stand
origins
still
scarce.
Therefore,
reveal
variations
carbon
(C),
nitrogen
(N),
phosphorus
(P)
homeostasis
origins,
we
measured
C,
N,
P
concentrations
leaves,
litter,
soil,
analyzed
resorption
efficiencies
leaves
differently
aged
plantations
natural
forests
from
semi‐arid
dry
sub‐humid
regions.
The
results
showed
that
(1)
origin
had
a
significant
effect
on
C–N–P
stoichiometry,
also
significantly
affected
leaf
N
reabsorption
efficiencies.
Leaf
N/P
ratios
indicated
was
co‐limited
by
NF,
HB
HQ,
mainly
limited
MU.
(2)
With
increasing
age,
C
initially
increased
then
decreased,
were
gradually
increased.
Overall,
age
concentrations,
C/N
C/P
system.
(3)
elements
between
strong
coupling
relationship,
element
litter‐soil
relationship.
In
addition,
exhibited
greater
than
forests,
alone,
which
may
be
utilization
strategy
for
alleviate
or
limitation.
(4)
Environmental
factors
have
influence
system,
most
soil
properties
meteorological
being
water
content
precipitation,
respectively.
These
will
essential
provide
guidance
plantation
restoration
management
desert
Forests,
Journal Year:
2024,
Volume and Issue:
15(3), P. 464 - 464
Published: March 1, 2024
The
Loess
Plateau
region
of
China
suffers
from
severe
soil
erosion,
and
the
selection
effective
slope-protection
vegetation
is
essential
to
prevent
water
loss.
This
study
focused
on
individual
plants
common
species
in
Plateau,
such
as
Caragana
korshinski
Kom.,
Hippophae
rhamnoides
Linn.,
Pinus
tabuliformis
Carr.,
Robinia
Pseudoacacia
Populus
tomentosa
Prunus
armeniaca
Lam.
root
spatial
distribution,
geometric
morphology,
fractal
characteristics
these
were
measured
using
whole-root-excavation
method,
vertical
pull-out
force
their
systems
was
quantified
situ
whole-plant
root-pulling
method.
results
showed
that
H.
dominates
distribution
its
system
through
a
larger
number
inclined
roots.
C.
korshinskii,
P.
tomentosa,
R.
pseudoacacia,
dominate
horizontal
greater
tabuliformis,
other
hand,
achieves
relatively
balanced
both
spaces
well-developed
taproot
numerous
lateral
In
terms
morphology
systems,
korshinskii
exhibit
fine
roots
complex
branching,
resulting
higher
total-root
length,
surface
area,
dimension.
soil-stabilizing
ability
rhamnoides,
pseudoacacia
stronger,
mainly
influenced
by
quantity,
can
be
prioritized
typical
for
conservation
construction
vegetation.
From
perspective
slope
stabilization
alone,
we
strongly
recommend
planting
shrub
Chinese
Plateau.
Frontiers in Forests and Global Change,
Journal Year:
2024,
Volume and Issue:
7
Published: April 15, 2024
Background
Ecological
stoichiometric
characteristics
of
carbon
(C),
nitrogen
(N),
phosphorus
(P),
and
potassium
(K)
serve
as
crucial
indicators
nutrient
cycling
limitation
in
terrestrial
ecosystems.
However,
our
current
understanding
subtropical
forests
their
response
to
different
climate
conditions
is
still
limited.
Methods
We
selected
six
altitudes
ranging
from
700
m
1,200
simulate
an
evergreen
broadleaf
forest
Wuyi
Mountain,
Fujian
Province,
China.
investigated
C,
N,
P,
K
stoichiometry
homeostasis
the
green
leaves,
newly
senesced
leaf
litter
(fresh
litter),
soil
this
forest.
Results
Leaf
P
levels
showed
a
decline
with
increasing
altitude.
Notably,
ratios
components
exhibited
bimodal
distribution
along
altitudinal
gradient.
Additionally,
trend
N
resorption
efficiencies
was
observed
altitude
increased.
Moreover,
weak
leaves.
These
findings
highlighted
significant
impact
on
This
study
also
contributed
mechanism
plant
growth
strategies
under
conditions.
Fermentation,
Journal Year:
2024,
Volume and Issue:
10(1), P. 70 - 70
Published: Jan. 21, 2024
Aerobic
composting
is
one
of
the
methods
for
resource
utilization
submerged
plant
residues.
This
study
investigated
effects
biochar,
wetland
sediments
and
microbial
agents
added
individually
or
combined
on
humification
process,
lignocellulose
degradation
communities
during
Ceratophyllum
demersum
Potamogeton
wrightii
composting.
The
results
showed
that
addition
sediment
biochar
was
found
to
significantly
elevate
temperature
compost
products.
average
content
lignin
in
and/or
treatments
12.2–13.5%,
which
higher
than
control
group
(10.9–11.45%).
Compared
with
organic
matter
(19.4%)
total
nitrogen
concentration
(35.3%)
treated
complex
agent
treatments,
homemade
increased
values
by
22.1%
41.0%,
respectively.
By
comparing
differences
among
different
demonstrated
greater
increases
activity
diversity
degradation-related
microbes,
especially
Truepera
Actinomarinale.
Humus
component
were
most
critical
parameters
influencing
changes
bacterial
community.
Based
these
results,
a
combination
promising
additive
an
effective
strategy,
identified
as
potential
compost.
Forests,
Journal Year:
2023,
Volume and Issue:
14(3), P. 624 - 624
Published: March 20, 2023
Parashorea
chinensis
is
an
endemic
tree
species
in
China
and
endangered
of
the
Dipterocarpaceae
family.
This
study
contributes
to
understanding
soil
fertility
management
during
relocation
conservation
P.
restoration
its
natural
communities
by
doing
ecological
chemometric
investigation
factors
limiting
nutrients
plantations.
To
investigate
variation
rhizosphere
non-rhizosphere
nutrients,
microbial
biomass,
extracellular
enzyme
activities,
we
chose
pure
plantation
stands
6
ages
subtropics
calculated
stoichiometric
ratios.
The
results
show
that
(1)
pH
strongly
acidic
(pH
<
4.6)
less
influenced
stand
age,
carbon
(C),
nitrogen
(N),
phosphorus
(P)
content
limit
microorganisms
at
all
ages;
(2)
availability
N,
P,
K
elements
essential
factor
driving
P
limitation
growth
microbes;
(3)
age
has
a
significant
effect
on
C/N,
C/P,
N/P,
C/K,
N/K,
P/K,
stoichiometry
biomass
C,
acquisition
activity.
Soil
are
more
sensitive
indicators
nutrient
limitations
than
activity
content;
(4)
there
was
correlation
between
C/P
as
well
highly
(p
0.01)
Vector
L
A.
In
conclusion,
plantations
this
area
were
established
phosphorus-poor
soil,
reveals
with
age.
plays
key
role
improving
community.
Therefore,
effectiveness
should
be
dynamically
assessed
cultivation
chinensis,
soluble
fertilizer
supplemental
over
time
trees’
root
distribution
area.
