Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Дек. 11, 2024
Faced
with
the
increasingly
serious
problem
of
water
scarcity,
developing
precise
irrigation
strategies
for
crops
in
saline
alkali
land
can
effectively
reduce
negative
effects
low
resource
utilization.
Using
a
model
to
simulate
dynamic
changes
soil
and
salt
environment
root
zone
fragrant
pear
trees
land,
verifying
them
from
production
practice
perspective
comprehensive
benefits
as
goal,
optimize
amount
technology
elements
fruit
trees,
broaden
evaluation
decision-makers,
have
important
significance
improving
yield
efficiency
forestry
industry
arid
semi-arid
areas
worldwide.
In
this
study,
two-year
field
experiment
based
on
three
levels
(3000,
3750,
4500
m
3
·ha
−1
)
four
emitter
discharge
rates
(1,
2,
3,
4
L·h
was
conducted
Xinjiang,
China.
The
content
(SWC)
salinity
(SSC)
dynamics
were
simulated
during
fertility
period
using
numerical
HYDRUS-2D
data.
results
showed
that
R
2
,
mean
squared
error
(RMSE),
Nash–Sutcliffe
coefficient
(NSE)
(soil
SSC)
reached
0.89–0.97
(0.91–0.97),
0.02–0.16
cm
·cm
-3
(0.22–1.54
g·kg
),
0.76–0.95
(0.68–0.96),
respectively,
indicating
strong
performance
model.
A
positive
correlation
observed
between
infiltration
depth.
Moderately
increasing
could
leach
at
depth
80–100
maintain
main
0–80
cm,
benefiting
growth
development
system
pear,
well
quality
above-ground
fruits.
optimized
quantified
multi-objective
optimization
methods,
normalization
processing,
spatial
analysis
methods
maximize
yield,
weight,
soluble
solids,
net
profits.
When
profits
simultaneously
90%
their
maximum
value,
ranges
4274–4297
3.79–3.88
respectively.
Our
study
provides
new
insights
into
regulating
environmental
factors
assessing
impact
management
under
precision
strategies,
profoundly
influences
decision-making
forest
fruits
zones
perspective.
Frontiers in Microbiology,
Год журнала:
2023,
Номер
14
Опубликована: Сен. 5, 2023
Introduction
The
partial
substitution
of
chemical
fertilizer
with
organic
manure
takes
on
a
critical
significance
to
enhancing
soil
quality
and
boosting
sustainable
agricultural
development.
However,
rare
research
has
studied
the
effects
bacterial
community
diversity
enzyme
activity
in
maize
field
mountain
red
region
Yunnan.
Methods
In
this
study,
four
treatments
were
set
up
which
(the
application
rates
N,
P
2
O
5
K
240,
75
kg·ha
−1
,
respectively)
was
substituted
by
10%
(M10),
20%
(M20),
30%
(M30)
40%
(M40)
equal
nitrogen,
as
well
two
control
single
(M0)
no
fertilization
(CK).
(
Zea
mays
L.)
crop
sown
test
May
2018.
physicochemical
properties,
studied.
Results
activities
Cellulase
(CBH),
Invertase
(INV)
β-glucosidase
(BG)
increased
increase
ratio.
β-1,4-N-acetylglucosaminidase
(NAG),
Urease
(URE),
leucine
aminopeptidase
(LAP)
also
had
same
trend,
but
highest
159.92
mg·g
·h
66.82
143.90
at
Compared
CK
M0
treatments,
Shannon
index
notably
82.91%–116.74%
92.42%–128.01%,
respectively,
ratio
ranging
from
40%.
Chao1
ACE
significantly
30%.
Proteobacteria
dominant
phylum
all
relative
abundance
decreased
increased.
Redundancy
analysis
showed
that
microbial
biomass
C
main
factor
affecting
composition
under
replacement
treatment,
while
Actinobacteria
activity.
addition,
yield
M30
M40
higher
than
M0-M20
treatment
highest,
reaching
7652.89
.
Conclusion
Therefore,
can
improve
biological
characteristics,
increasing
thirty
percent
determined
optimal
for
farmland
area
Yunnan,
China.
Agricultural Water Management,
Год журнала:
2024,
Номер
302, С. 109001 - 109001
Опубликована: Авг. 9, 2024
Saline
soils
pose
complex
environmental
challenges
that
limit
fruit
tree
root
function.
Understanding
the
mechanisms
by
which
factors
drive
traits
in
zone
soil
is
crucial
for
improving
productivity
through
irrigation-based
regulation
of
structure.
This
study
aimed
to
identify
primary
drivers
and
driving
environment
on
traits,
as
influenced
water
content
saline
trees.
A
2-year
field
experiment
was
conducted
Korla,
Xinjiang,
investigate
effects
physicochemical
properties,
enzyme
activities,
nutrients
active
state
trace
elements
setting
different
irrigation
gradients
(Low:
3750
m
3
ha
−1
;
Moderate:
5250
High:
6750
).
Compared
low-irrigation
treatment,
results
showed
high-irrigation
treatment
decreased
electrical
conductivity
pH
21.6–30.5
%
1.4–5.5
%,
respectively,
increased
organic
matter,
available
phosphorus,
potassium
4.4–5.1
11.7–17.6
14.8–34.6
respectively.
Additionally,
catalase,
urease,
phosphatase
activities
30.0–33.1
21.6–22.0
30.0–30.2
enhancing
amount
promote
nutrient
migration
deeper
layers
providing
a
stable
suitable
main
zone.
Concurrently,
total
dataset
(TDS)
established
using
four
categories
15
indicators,
including
nutrients,
elements,
0–80
cm
soil.
The
machine
learning
models
were
used
screen
reveal
mechanism
traits.
Random
Forest
model
identified
phosphatase,
effective
temperature
with
an
increase
MSE
(%)
range
(10.3–15.6
%),
AP
(6.8–10.9
(8.3–16.9
%).
water-mediated
had
positive
effect
Therefore,
this
provides
theoretical
basis
programs
•
·ha
increasing
SOM
40–80
range.
AP,
T
are
Water-mediated
positively
affect
Agronomy,
Год журнала:
2023,
Номер
13(8), С. 2114 - 2114
Опубликована: Авг. 12, 2023
Long-term
fertilization
can
result
in
changes
the
nitrogen
(N)
cycle
maize
rhizosphere
soil.
However,
there
have
been
few
reports
on
impacts
of
plant–soil–microbe
regulatory
mechanisms
N
In
this
study,
soil
samples
were
collected
from
a
long-term
experimental
site
located
at
Jilin
Agricultural
University,
Changchun
City,
Province,
Northeast
China.
We
then
analyzed
functional
genes
related
to
cycle,
enzyme
activity,
and
root
exudates
under
fertilizer
application
using
metagenomics
liquid
chromatography
analysis.
aimed
investigate
response
fertilizers,
interaction
among
plant,
soil,
microbes,
effect
system
cycle.
had
significant
contents,
N2O
emissions,
activity
The
mainly
enriched
degradation
pathway
decreased
abundance
fixation
degradation,
denitrification,
assimilatory
nitrate
reduction
(ANRA)
increased
participating
dissimilatory
(DNRA)
anaerobic
ammonia
oxidation/hydroxylamine
oxidation.
environment
was
positively
negatively
microbial
community
composition
amino
acids
exudates.
contribution
rate
microorganisms
highest
(r2
=
0.900),
followed
by
0.836)
0.832).
Therefore,
we
concluded
that
is
main
factor
limiting
are
regulating
plant–soil–microorganism
system.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 17, 2025
Bio-organic
fertilizers
have
demonstrated
significant
potential
in
enhancing
saline-alkali
soil
properties,
boosting
crop
yield,
and
reducing
chemical
fertilizer
dependency.
However,
the
extent
of
improvement
optimal
application
rates
for
varying
conditions
remain
unclear.
We
conducted
a
2-year
field
experiment
(2022-2023)
to
evaluate
effects
different
bio-organic
on
nutrient
availability,
cotton
yield
across
three
fields
with
salinity
levels
4.58,
9.07,
12.76
g·kg⁻¹
(T1-T3).
Four
treatments
were
implemented,
involving
reductions
0%
(CK),
20%
(F1),
40%
(F2),
60%
(F3).
Results
indicated
that,
compared
CK,
reduced
bulk
density,
salinity,
pH
by
an
average
15.84%,
53.86%,
7.5%,
respectively.
Concurrently,
moisture
content,
organic
matter,
nitrogen,
phosphorus,
potassium,
increased
36.72%,
58.4%,
59.4%,
77.9%,
88.7%,
50.32%,
Notably,
improvements
properties
more
pronounced
2023
2022.
Principal
component
analysis
revealed
that
rate
was
mild,
moderate,
severely
salinized
fields.
These
findings
provide
scientific
basis
use
while
improving
productivity
sustainability
soils.
