Global Ecology and Conservation,
Год журнала:
2022,
Номер
34, С. e02013 - e02013
Опубликована: Янв. 19, 2022
Optimizing
economic
benefit
while
reducing
soil
CO2
emissions
in
cropping
systems
has
become
the
focus
of
agricultural
study.
We
assessed
influence
short-term
straw
mulch
and
no-tillage
on
respiration
(Rs),
heterotrophic
(Rh),
autotrophic
(Ra),
as
well
benefit,
a
traditional
Chinese
winterwheat
summermaize
rotation
system.
Combinations
four
treatments
were
tested:
NS
(no
straw),
SM
(straw
mulch),
CT
(conventional
tillage)
NT
(no-tillage).
For
wheat,
significantly
increased
Rs
2019
but
decreased
2020
relative
to
NS.
by
5.8%
compared
from
2020.
maize,
during
all
three
annual
cycles,
2018
with
respect
it
From
perspective
both
wheat
34.8%,
19.8%,
18.8%
2018,
2019,
2020,
respectively.
4.9%,
−1.6%,
−0.7%
The
lowest
occurred
for
SM+NT
Relative
CT,
promoted
Rh
inhibited
Ra
suppressed
had
no
significant
effect
Ra.
Therefore,
promoting
Rh,
inhibiting
In
treatments,
averaged
1.82–3.36
times
higher
than
Soil
temperature
greater
temporal
variations
moisture.
Averaged
was
11.7%
15.3%
Our
results
suggest
that
should
be
an
environment-friendly
agroecosystem
management
practice
these
practices
can
achieve
balance
between
improving
emissions,
contributing
mitigation
climate
change
early
achievement
carbon
neutrality
goals.
Frontiers in Microbiology,
Год журнала:
2022,
Номер
13
Опубликована: Июль 14, 2022
Soil
microorganisms
play
vital
roles
in
energy
flow
and
soil
nutrient
cycling
and,
thus,
are
important
for
crop
production.
A
detailed
understanding
of
the
complex
responses
microbial
communities
to
diverse
organic
manure
chemical
fertilizers
(CFs)
is
crucial
agroecosystem
sustainability.
However,
little
known
about
response
fungal
nutrients
CFs,
especially
under
double-rice
cropping
systems.
In
this
study,
we
investigated
effects
application
combined
CFs
various
fertilization
strategies,
such
as
no
N
fertilizer
(Neg-CF);
100%
(Pos-CF);
60%
cattle
(CM)
+
40%
CF
(high-CM);
30%
CM
70%
(low-CM);
poultry
(PM)
(high-PM),
PM
(low-PM)
on
communities'
structure
diversity,
environmental
variables,
rice
yield.
Results
showed
that
synthetic
plus
addition
significantly
increased
fertility
grain
yield
compared
sole
CFs'
application.
Moreover,
changed
community
relative
abundance
fungi
phyla
Ascomycota,
Basidiomycota,
Mortierellomycota,
Rozellomycota.
The
abundances
dramatically
differed
at
each
taxonomic
level,
between
manured
non-manured
regimes.
Principal
coordinates
analysis
(PCoA)
exhibited
greater
impacts
amendments
than
distributions.
Redundancy
dominant
were
positively
correlated
with
pH,
C
(SOC),
total
N,
biomass
C,
was
strongly
affected
by
SOC.
Network
explored
positive
relationships
could
increase
their
adaptability
relevant
environments.
addition,
structural
equation
model
(SEM)
shows
relationship
biomass,
nutrients,
SEM
contents
availability
directly
affect
yield,
while
indirectly
through
production
levels.
Our
results
suggest
altered
biochemical
traits
counteracted
some
adverse
fertilizer.
Overall,
findings
research
integrated
a
better
approach
improving
health
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(46), С. 17920 - 17929
Опубликована: Сен. 27, 2023
Anions
accompanying
inorganic
fertilizers,
such
as
chloride
and
sulfate
ions,
potentially
affect
the
solubility,
uptake,
transport
of
Cd
to
rice
grains.
However,
role
anions
in
controlling
soil-soil
solution-Fe
plaque-rice
plant
continuum
remains
poorly
understood.
isotope
ratios
were
applied
Cd-contaminated
soil
pots,
hydroponic
rice,
adsorption
experiments
with
or
without
KCl
K2SO4
treatments
decipher
processes
complex
soil-rice
system.
The
ions
increased
concentrations
solution,
Fe
plaque,
plants.
Accordingly,
magnitude
positive
fractionation
from
solution
was
less
pronounced,
but
that
between
plaque
is
barely
varied.
similar
composition
soil,
goethite
suggested
desorption-sorption
iron
oxides
could
be
important
at
continuum.
This
study
reveals
roles
ions:
(i)
induce
mobility
light
isotopes
(ii)
chloro-Cd
sulfato-Cd
complexes
contribute
immobilization
uptake
into
roots,
(iii)
facilitate
second
leaves/node
II-to-grain
within
shoots.
These
results
provide
insights
anion-induced
effect
system
facilitating
migration
transformation.
Abstract
For
the
application
of
biochar
in
restoring
pesticide-contaminated
soils
and
minimizing
risk
associated
with
their
uptake
plants,
it
is
crucial
to
understand
impact
on
soil
biological
activities
dissipation
accumulation
pesticides
plant
systems.
In
this
study,
effect
Mentha
-distilled
waste-derived
was
investigated
chlorpyrifos
atrazine
contaminated
sandy
loam
soil.
The
four
rates
(2,
4,
6,
8
mg
kg
−1
)
6
,
12
a
single
rate
(4%)
were
used
study.
degradation
pesticides,
diversity
bacterial
community,
enzymatic
(alkaline
phosphatase,
dehydrogenase,
arylsulfatase,
phenol
oxidase,
urease
activity
N
-acetyl
glucosaminidase)
examined
two
growth
stress
parameters
also
plants
(
A.
paniculata
).
followed
simple
first-order
kinetics
half-life
6.6–74.6
21–145
days,
respectively.
presence
deisopropyl
desethyl
(metabolites
atrazine)
3,5,6-trichloro-2-pyridinol
(a
metabolite
chlorpyrifos)
observed
tissues.
Biochar
significantly
p
=
0.001)
enhanced
leading
lower
A
significant
reduction
alteration
binding
affinity
tissues
treatments.
incorporation
improved
chlorpyrifos/atrazine
degrader
growth-promoting
genera
such
as
Balneimonas
Kaistobacter
Rubrobacter
Ammoniphilus
Bacillus.
upregulation
functional
genes
nucleotide,
energy,
carbohydrate,
amino
acid
metabolism,
xenobiotic
biodegradation,
metabolism:
amendments
reduced
plant’s
velocity
(Vmax)
(Km)
atrazine.
These
results
delineated
that
Mentha-distilled
can
potentially
remediate
ensure
safety
for
consumption.
Graphical
Agriculture,
Год журнала:
2024,
Номер
14(3), С. 480 - 480
Опубликована: Март 16, 2024
As
the
main
organic
materials,
straw
and
manure
play
a
critical
role
in
soil
carbon
(SOC)
sequestration
crop
yield
China.
This
meta-analysis
evaluated
impact
of
amendments,
both
individually
combined,
on
yield,
SOC,
nutrients
China
by
collecting
173
studies.
The
findings
this
study
revealed
that
return
application
increased
yields
14.4%
70.4%,
respectively,
overall.
Combined
gained
better
improvement
effect
than
alone
but
was
less
effective
alone.
Regarding
results,
rice
3000–6000
kg
ha−1
returning
quantity
improved
available
phosphorus
(AP),
potassium
(AK),
total
nitrogen
(TN)
most;
regarding
form,
incorporated
into
biochar
SOC
more,
respectively;
<5
years
≥5
treatment
TN
respectively.
application,
pig
chicken
50–80%
substitution
ratio
10–20
duration
were
best
for
improving
AP,
AK,
TN.
highlights
importance
optimal
amendment
through
or
applications
to
achieve
win–win
between
fertility
under
requirement
sustainable
agriculture.
