Environmental Technology & Innovation,
Journal Year:
2024,
Volume and Issue:
36, P. 103784 - 103784
Published: Aug. 5, 2024
Excessive
use
of
chemical
fertilizers
negatively
impacts
crop
productivity
and
farmland
ecosystem,
impeding
sustainable
agricultural
progress.
Consequently,
there
is
an
immediate
need
for
a
fertilizer
reduction
strategy
that
ensures
improves
soil
quality
the
ecological
environment
farmland.
This
study
implemented
three-year
(2018–2020)
field
experiment
with
two
methods
(direct
organic
substitution)
to
investigate
their
effects
on
wheat
productivity,
quality,
heavy
metal
pollution
risk
microbial
characteristics.
The
results
showed
substitution
treatments
(OF1,
OF2
OF3)
improved
most
plant
(nutrient
uptake
yield
its
components)
properties
(soil
nutrients
carbon
nitrogen
fractions),
leading
increased
index
(CPI,
by
9.18
%-16.39
%
14.14
%-23.36
%)
(SQI,
84.67
%-138.86
104.11
%-175.91
compared
conventional
fertilization
(CF)
direct
(RF1,
RF2
RF3)
in
2019
2020.
Additionally,
enhanced
diversity
network
complexity
bacterial
community,
while
raising
(SPI,
9.30
%-12.84
12.20
%-18.49
without
causing
pollution.
Thus,
it
recommended
adopt
as
primary
production.
approach
will
ensure
yield,
improve
characteristics,
but
long-term
application
requires
monitoring
changes
metals.
Overall,
this
provides
guidelines
implementing
scientific
practices,
thus
contributing
health
sustainability
ecosystems.
Global Change Biology,
Journal Year:
2023,
Volume and Issue:
29(15), P. 4412 - 4429
Published: June 5, 2023
Microbial
communities
in
soils
are
generally
considered
to
be
limited
by
carbon
(C),
which
could
a
crucial
control
for
basic
soil
functions
and
responses
of
microbial
heterotrophic
metabolism
climate
change.
However,
global
C
limitation
(MCL)
has
rarely
been
estimated
is
poorly
understood.
Here,
we
predicted
MCL,
defined
as
availability
substrate
relative
nitrogen
and/or
phosphorus
meet
metabolic
requirements,
based
on
the
thresholds
extracellular
enzyme
activity
across
847
sites
(2476
observations)
representing
natural
ecosystems.
Results
showed
that
only
about
22%
terrestrial
surface
show
community.
This
finding
challenges
conventional
hypothesis
ubiquitous
metabolism.
The
geographic
extent
our
study
was
mainly
attributed
plant
litter,
rather
than
organic
matter
processed
microbes,
serving
dominant
source
acquisition.
We
also
identified
significant
latitudinal
pattern
MCL
with
larger
at
mid-
high
latitudes,
whereas
this
absent
tropics.
Moreover,
significantly
constrained
rates
respiration,
suggesting
potentially
increase
respiration
latitudes
low
if
change
increases
primary
productivity
alleviates
higher
latitudes.
Our
provides
first
estimates
advancing
understanding
cycling
feedback
under
Plants,
Journal Year:
2024,
Volume and Issue:
13(5), P. 674 - 674
Published: Feb. 28, 2024
Forest
biomass
allocation
is
a
direct
manifestation
of
biological
adaptation
to
environmental
changes.
Studying
the
distribution
patterns
forest
along
elevational
gradients
ecologically
significant
for
understanding
specific
impacts
global
change
on
plant
resource
strategies.
While
aboveground
has
been
extensively
studied,
research
belowground
remains
relatively
limited.
Furthermore,
and
driving
factors
proportion
(BGBP)
are
still
unclear.
In
this
study,
we
investigated
influences
climatic
factors,
soil
nutrients,
key
leaf
traits
pattern
BGBP
using
data
from
926
forests
at
94
sites
across
China.
were
calculated
root
depth
50
cm.
Our
findings
indicate
considerable
variability
in
macro
scale,
showing
increasing
trend
(p
<
0.01).
significantly
decreases
with
temperature
precipitation
increases
annual
mean
evapotranspiration
(MAE)
It
phosphorus
content
pH
Key
(leaf
nitrogen
(LN)
(LP))
positively
correlated
BGBP.
Climatic
(R2
=
0.46)
have
strongest
explanatory
power
variation
elevations,
while
0.10)
0.08)
also
play
roles.
Elevation
directly
indirectly
through
influencing
such
as
climate
conditions,
nutrient
availability,
traits,
effects
being
more
pronounced
than
indirect
effects.
This
study
reveals
controlling
forests’
gradients,
providing
vital
ecological
insights
into
impact
strategies
offering
scientific
guidance
ecosystem
management
conservation.
Environmental Technology & Innovation,
Journal Year:
2024,
Volume and Issue:
36, P. 103784 - 103784
Published: Aug. 5, 2024
Excessive
use
of
chemical
fertilizers
negatively
impacts
crop
productivity
and
farmland
ecosystem,
impeding
sustainable
agricultural
progress.
Consequently,
there
is
an
immediate
need
for
a
fertilizer
reduction
strategy
that
ensures
improves
soil
quality
the
ecological
environment
farmland.
This
study
implemented
three-year
(2018–2020)
field
experiment
with
two
methods
(direct
organic
substitution)
to
investigate
their
effects
on
wheat
productivity,
quality,
heavy
metal
pollution
risk
microbial
characteristics.
The
results
showed
substitution
treatments
(OF1,
OF2
OF3)
improved
most
plant
(nutrient
uptake
yield
its
components)
properties
(soil
nutrients
carbon
nitrogen
fractions),
leading
increased
index
(CPI,
by
9.18
%-16.39
%
14.14
%-23.36
%)
(SQI,
84.67
%-138.86
104.11
%-175.91
compared
conventional
fertilization
(CF)
direct
(RF1,
RF2
RF3)
in
2019
2020.
Additionally,
enhanced
diversity
network
complexity
bacterial
community,
while
raising
(SPI,
9.30
%-12.84
12.20
%-18.49
without
causing
pollution.
Thus,
it
recommended
adopt
as
primary
production.
approach
will
ensure
yield,
improve
characteristics,
but
long-term
application
requires
monitoring
changes
metals.
Overall,
this
provides
guidelines
implementing
scientific
practices,
thus
contributing
health
sustainability
ecosystems.
