International Journal of Environmental Monitoring and Analysis,
Год журнала:
2024,
Номер
12(6), С. 149 - 156
Опубликована: Дек. 25, 2024
Ethiopia
is
among
the
countries
vulnerable
to
impact
of
climate
change
due
its
mostly
resilient
on
rain-fed
agriculture,
but
currently
started
crop
production
by
irrigation
even
if
it
not
done
in
large,
and
largely
rural
population.
Carbon
farming
an
emerging
agricultural
practice
focused
at
mitigating
increasing
carbon
sequestration
potential
farmlands.
Both
climate-smart
agriculture
encloses
different
approaches
such
as
agroforestry,
cover
cropping,
application
bio-char
no-till
farming,
all
which
promotes
soil
improves
health;
help
capture
dioxide
from
atmosphere
store
vegetation.
This
system
only
mitigates
greenhouse
gas
emission
also
fortifies
ecosystem
resilience
through
enhancement
fertility,
water
retention
biodiversity.
By
incorporating
into
worldwide
action
frameworks,
landscapes
can
evolve
being
major
sources
gases
functioning
net
sinks.
As
scalable
strategies
address
change,
presents
a
dual
advantage
fulfilling
pressing
requirements
reduce
atmospheric
CO<sub>2</sub>
levels
while
promoting
sustainable
enhancing
economies.
Climate-smart
has
emerged
paradigm
shifting
approach
aimed
improving
productivity,
adapting
evolving
climatic
conditions,
emissions.
review
accentuates
significance
crucial
strategy
for
fulfill
national
determined
contributions
under
Paris
agreement,
simultaneously
bolstering
system.
scaling
up
both
approaches,
attain
harmonious
equilibrium
between
food
security
mitigation;
ensuring
development
rapidly
expanding
Natural and Engineering Sciences,
Год журнала:
2025,
Номер
10(1), С. 507 - 518
Опубликована: Апрель 1, 2025
Soil
contamination
with
heavy
metals,
particularly
in
rhizosphere
regions,
presents
significant
environmental
and
ecological
challenges.
Diverse
bacterial
communities
found
the
rhizosphere,
small
area
of
soil
that
is
impacted
by
plant
roots,
are
critical
for
metal
detoxification,
organic
matter
breakdown,
nutrient
cycling.
This
research
investigates
community
dynamics
Cu
(copper)-contaminated
Elsholtzia
splendens.
Using
metagenomic
analysis,
28
phyla
were
identified,
7
dominant
contaminated
soils.
The
composition
diversity
to
be
most
significantly
influenced
pH
out
all
parameters
examined,
including
concentration,
Total
Organic
Carbon
(TOC),
total
nitrogen,
pH,
moisture
content,
temperature,
texture.
Changes
microbial
those
can
efficiently
evaluated
using
Bray-Curtis
dissimilarity,
which
used
quantify
differences
between
based
on
species
abundance.
findings
reveal
taxonomic
composition;
Proteobacteria
was
abundant
phylum,
constituting
45.2%
Furthermore,
Firmicutes
increased
from
18.3%
22.1%
soils,
while
Pseudomonas
abundance
rose
11.5%
18.3%.
Metagenomic
profiling
also
revealed
functional
gene
pathways
associated
tolerance
related
copper
efflux
oxidative
stress
responses,
more
prevalent
highlights
functions
metal-contaminated
rhizospheres,
enhancing
understanding
adaptation
bioremediation
potential.
Agronomy,
Год журнала:
2025,
Номер
15(5), С. 1023 - 1023
Опубликована: Апрель 24, 2025
Crop
rotation
systems
profoundly
influence
soil
phosphorus
(P)
dynamics
through
physicochemical
and
microbial
interactions.
The
mechanisms
regulating
P
availability
under
various
rotational
practices
remain
poorly
understood.
This
five-year
field
experiment
investigated
the
effects
of
four
(WM:
wheat–maize;
WP:
wheat–peanut;
WS:
wheat–soybean;
MV:
maize–hairy
vetch)
on
fractions,
phosphatase
activities,
P-cycling
gene
abundance,
their
interactions
with
properties.
WM
substantially
reduced
pH
(6.29)
while
increasing
labile
fractions
(Ca2-P)
moderately
(Al-P,
Fe-P,
Ca8-P),
which
was
attributed
to
enhanced
acid
activity.
WP
elevated
(8.13)
but
due
calcium–P
immobilization.
MV
stimulated
cycling,
exhibiting
highest
phoD
(2.01
×
106
copies
g−1)
phnK
(33,140
linked
green
manure-induced
activation.
Redundancy
analysis
identified
pH,
total
nitrogen,
stoichiometric
ratios
(C/N
N/P)
as
key
shared
drivers
enzymatic
Partial
least
squares
path
modeling
(PLS–PM)
indicated
that
crop
directly
regulated
modulation
(r
=
−0.559
***)
C/N
ratio
0.343
indirectly
Lower
(<10)
across
all
regimes
amplified
carbon
limitation
in
process
transformation,
indicating
exogenous
inputs
appropriate
stoichiometry
should
be
optimized.
results
this
study
inform
selection
suitable
patterns
for
sustainable
agriculture.
