Microorganisms,
Journal Year:
2024,
Volume and Issue:
12(6), P. 1108 - 1108
Published: May 30, 2024
With
mounting
demand
for
high-quality
agricultural
products
and
the
relentless
exploitation
of
arable
land
resources,
finding
sustainable
ways
to
safely
cultivate
food
crops
is
becoming
ever
more
important.
Here,
we
investigated
effects
integrated
cropping
technique
“straw
return
+
intercropping”
on
soil
aggregates
as
well
microbial
biomass
carbon
(MBC)
content,
enzyme
activities
diversity
in
soils
maize
soybean
crops.
Our
results
show
that
comparison
straw
removal
monoculture,
intercropping
increase
rhizosphere’s
MBC
content
(59.10%)
soil,
along
with
urease
(47.82%),
sucrase
(57.14%),
catalase
(16.14%)
acid
phosphatase
(40.66%)
under
soybean.
Under
same
treatment,
yield
when
intercropped
surpassed
grown
equivalent
ratio
treatment
being
highest.
Overall,
beneficial
healthy
development
agriculture
black
region
northeast
China,
especially
combined
fields.
Environment International,
Journal Year:
2024,
Volume and Issue:
unknown, P. 108467 - 108467
Published: Jan. 1, 2024
Heavy
metal
(HM)
enrichment
is
closely
related
to
soil
organic
carbon
(SOC)
pools
in
terrestrial
ecosystems,
which
are
deeply
intertwined
with
microbial
processes.
However,
the
influence
of
HMs
on
SOC
remains
contentious
terms
magnitude
and
direction.
A
global
analysis
155
studies
was
conducted
integrate
synergistic
responses
microorganisms
HM
enrichment.
significant
increase
13.6
%
content
observed
soils
exposed
HMs.
The
response
primarily
depends
properties
habitat
conditions,
particularly
initial
content,
mean
annual
precipitation
(MAP),
pH,
temperature
(MAT).
presence
resulted
decreases
activities
key
enzymes,
including
31.9
for
dehydrogenase,
24.8
β-glucosidase,
35.8
invertase,
24.3
cellulose.
also
exerted
inhibitory
effects
biomass
(MBC)
(26.6
%),
respiration
(MR)
(19.7
bacterial
Shannon
index
(3.13
%)
but
elevated
metabolic
quotient
(qCO2)
(20.6
%).
enrichment-induced
changes
exhibited
positive
correlations
MBC
(r
=
0.70,
p
<
0.01)
qCO2
0.50,
0.01),
while
it
negatively
associated
β-glucosidase
activity
0.72,
MR
0.39,
0.01).
These
findings
suggest
that
storage
mainly
attributable
inhibition
enzymes
under
Overall,
this
meta-analysis
highlights
habitat-dependent
provides
a
comprehensive
evaluation
dynamics
an
HM-rich
environment.
Ecotoxicology and Environmental Safety,
Journal Year:
2023,
Volume and Issue:
269, P. 115807 - 115807
Published: Dec. 12, 2023
Plastics
have
revolutionised
human
industries,
thanks
to
their
versatility
and
durability.
However,
extensive
use,
coupled
with
inadequate
waste
disposal,
has
resulted
in
plastic
becoming
ubiquitous
every
environmental
compartment,
posing
potential
risks
the
economy,
health
environment.
Additionally,
under
natural
conditions,
breaks
down
into
microplastics
(MPs<5
mm).
The
increasing
quantity
of
MPs
exerts
a
significant
burden
on
soil
environment,
particularly
agroecosystems,
presenting
new
stressor
for
soil-dwelling
organisms.
In
this
review,
we
delve
effects
MP
pollution
ecosystems,
specific
attention
(a)
transport
soils,
(b)
changes
(c)
interaction
physical,
chemical
biological
components
soil.
We
aim
shed
light
alterations
distribution,
activity,
physiology
growth
flora,
fauna
microorganisms
response
MPs,
offering
an
ecotoxicological
perspective
risk
assessment
plastics.
are
strongly
influenced
by
intrinsic
traits,
including
polymer
type,
shape,
size
abundance.
By
exploring
multifaceted
interactions
between
provide
critical
insights
consequences
contamination.
Despite
growing
body
research,
there
remain
substantial
knowledge
gaps
regarding
long-term
impact
Our
work
underscores
importance
continued
research
efforts
adoption
standardised
approaches
address
ensure
sustainable
future
our
planet.
Global Change Biology,
Journal Year:
2023,
Volume and Issue:
30(1)
Published: Dec. 22, 2023
Abstract
Soil
organic
carbon
(SOC)
plays
an
essential
role
in
mediating
community
structure
and
metabolic
activities
of
belowground
biota.
Unraveling
the
evolution
communities
their
feedback
mechanisms
on
SOC
dynamics
helps
embed
ecology
soil
microbiome
into
cycling,
which
serves
to
improve
biodiversity
conservation
management
strategy
under
global
change.
Here,
croplands
with
a
gradient
were
used
understand
how
metabolisms
decomposition
linked
diversity,
composition,
co‐occurrence
networks
encompassing
archaea,
bacteria,
fungi,
protists,
invertebrates.
As
decreased,
diversity
prokaryotes
eukaryotes
also
but
network
complexity
showed
contrasting
patterns:
increased
due
intensified
niche
overlap,
while
that
decreased
possibly
because
greater
dispersal
limitation
owing
breakdown
macroaggregates.
Despite
decrease
stocks,
capacity
was
enhanced
as
indicated
by
enzyme
activity
enzymatic
stoichiometric
imbalance.
This
could,
turn,
expedite
loss
through
respiration,
particularly
slow‐cycling
pool.
The
dominantly
driven
multitrophic
negative
(competitive
predator–prey)
associations,
fostered
stability
metacommunity.
Interestingly,
abiotic
conditions
including
pH,
aeration,
nutrient
exhibited
less
significant
role.
Overall,
this
study
reveals
need
for
C
resources
across
levels
maintain
functionality
declining
results
loss.
Our
researchers
highlight
importance
integrating
biological
processes
models
turnover,
agroecosystem
functioning
face
intensifying
anthropogenic
land‐use
climate
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(15), P. 4379 - 4405
Published: July 22, 2024
Abstract
Microplastics
(MPs)
as
emerging
contaminants
have
a
global
occurrence,
including
both
terrestrial
and
marine
ecosystems.
Soil
enzymes
contribute
to
maintaining
ecosystem
multifunctionality,
for
example,
nutrient
cycling,
organic
material
decomposition,
carbon
climate
regulation.
Our
present
review
highlights
the
impacts
of
MPs
on
soil
enzyme
activities,
influencing
factors,
underlying
mechanisms.
Increasing
findings
confirm
that
can
change
activities
range
involved
in
biogeochemical
cycling
C
N.
However,
current
results
are
highly
controversial.
The
effects
vary
from
significant
nonsignificant
dependent
polymer
type,
biodegradability,
dosage,
size,
shape,
aging
degree
MPs,
exposure
conditions.
Compared
traditional
biodegradable
generally
show
more
pronounced
effects.
via
different
pathways.
On
one
hand,
directly
structure,
leading
alterations
activity.
other
create
unique
habitats,
provide
sources
specific
functional
microbes
producing
enzymes,
release
plastic
additives
pollutants
disturbing
production
these
enzymes.
Furthermore,
alter
physicochemical
biological
properties,
availability
substrates,
plants
fauna,
regulating
their
functions.
In
conclusion,
regulate
pose
profound
impact
multifunctionality.
Agriculture,
Journal Year:
2024,
Volume and Issue:
14(2), P. 288 - 288
Published: Feb. 10, 2024
Phosphorus
(P)
is
a
vital
macronutrient
crucial
for
crop
productivity.
Plants
absorb
P
salts,
mainly
orthophosphate,
from
the
soil,
yet
primary
source
resides
in
organic
materials.
Acid
and
alkaline
phosphatases
(the
predominant
forms
of
soil
phosphomonoesterases
(APases))
are
alleviating
deficiency
plants
play
role
releasing
materials
via
hydrolysis.
Our
aim
was
to
summarize
direction
relationship
between
variety
influential
factors
on
acid
phosphatase
activity
agricultural
lands
identify
gaps
knowledge.
findings
indicate
strong
linkage
both
APases
pH,
positively
influenced
by
clay
content,
matter,
microbial
biomass
carbon,
nitrogen.
Adopting
healthy
practices
like
balanced
fertilizer
usage,
optimal
water
levels,
reduced
tillage,
rotation,
using
beneficial
plant
microbes
help
boost
APase
activity.
However,
connection
productivity
remains
uncertain
due
insufficient
research
this
area.
We
identified
knowledge
relation
meso-macrofauna,
alongside
essential
nutrients
such
as
potassium,
nutrient
ratios,
synergistic
effects
various
response.
Understanding
rapid,
efficient
assimilation
through
plant-soil
and/or
plant-microbiota
ecosystem
it
can
be
yields.
Soil Science & Plant Nutrition,
Journal Year:
2024,
Volume and Issue:
70(4), P. 246 - 269
Published: April 16, 2024
The
extent
to
which
soil
enzyme
activity
in
assessing
nutrient
availability
is
useful
has
been
controversial.
In
this
review,
we
discuss
the
utility
of
ecoenzymatic
stoichiometry
(i.e.
ratio
nutrient-
carbon
(C)-acquiring
activities)
on
basis
resource
allocation
model
for
ecoenzyme
synthesis.
Both
selection
appropriate
enzymes
and
balance
between
relative
amounts
substrates
are
decisive
factors
utilizing
stoichiometry.
Ecoenzymatic
can
evaluate
nitrogen
(N),
phosphorus,
sulfur
many
soils
catalytic
reactions
substrate-limited
but
not
enzyme-limited.
However,
approach
does
seem
be
applicable
where
microbes
limited
by
other
than
availability,
such
as
low
temperature,
Certain
enzymes,
N-acetyl-β-glucosaminidase
protease,
appear
insensitive
N
because
they
release
compounds
containing
both
C
serve
sources
C/energy.
We
propose
use
L-asparaginase
urease
N-acquiring
that
a
compound
NH4+)
hydrolysis
product.
considered
an
indicator
long-term
(weeks)
temporally
integrated
rather
instantaneous
plants
well
microbes,
(i)
persistence
extracellular
soils;
(ii)
significant
correlation
measurements
reflecting
quantity
available
nutrients
soil;
(iii)
plant
uptake.
This
review
also
identifies
challenges
microbial
limitation
using
With
comprehensive
understanding
underlying
mechanisms
limitations,
used
biologically
relevant
combination
with
approaches
conventional
chemical
extraction
methods
addition
approach.
Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(9), P. 3591 - 3591
Published: April 24, 2024
The
research
focused
on
assessing
the
response
of
oxidoreductases
(dehydrogenases
and
catalase)
hydrolases
(urease,
acid
phosphatase,
alkaline
arylsulfatase,
β-glucosidase)
to
diesel
oil
(DO)
gasoline
(G)
contamination
soils
subjected
phytoremediation
with
Zea
mays.
activity
enzymes
constitutes
one
fundamental
mechanisms
for
removal
contaminants
from
soil,
which
have
potential
contaminate
not
only
soil
but
also
groundwater
water
reservoirs.
Additionally,
correlations
between
enzyme
basic
physicochemical
properties
were
determined.
interaction
perlite
dolomite
cultivated
plant
was
tested.
study
carried
out
in
a
pot
experiment,
where
contaminated
DO
or
G
artificially
treated
at
doses
0,
8
cm3,
16
cm3
kg−1.
Perlite
applied
remediation
0
10
g
kg−1
soil.
mays
found
respond
tested
pollutant
reduction
biomass.
affected
growth
this
more
than
G.
reduced
yield
aerial
parts
by
86%
74%.
negative
effects
these
pollutants
development
mitigated
both
dolomite.
exerted
greater
pressure
hydrolases,
as
well
enhanced
most
whereas
inhibited
them.
implementation
intensified
all
enzymes,
except
AcP
(acid
phosphatase)
Glu
(ß-glucosidase),
G,
improved
its
properties.
induced
less
significant
