Processes,
Год журнала:
2024,
Номер
12(8), С. 1639 - 1639
Опубликована: Авг. 4, 2024
The
presence
of
excessive
algae
in
water
is
always
considered
as
a
negative
factor
irrigation.
However,
the
optimal
balance
between
algal
removal
and
retention
irrigation
when
biomass
controllable
remains
unknown.
Therefore,
this
study
explores
impact
low-level
(Scytonema
javanicum)
on
soil
microbial
activity
through
controlled
column
experiments.
Soil
moisture
was
measured,
16S
rRNA
gene
amplicons
sequencing
applied
to
characterize
community.
Slight
community
changes
indicated
no
local
S.
javanicum.
Enzyme
assays
quantitative
polymerase
chain
reaction
(qPCR)
revealed
that
improved
retention,
enhanced
nutrient
content
topsoil.
decrease
treatment
group
(from
27.53%
26.42%)
significantly
reduced
(p
<
0.05)
compared
control
27.55%
25.17%),
while
contents
ammonium
(NH3-N)
total
nitrogen
(TN)
(0.70
mg/kg
0.54
g/kg)
were
also
higher
than
(0.43
0.49
g/kg).
results
abundance
functional
suggested
facilitated
fixation
nitrification.
This
research
offers
innovative
insights
for
diversifying
sources
water.
Land Degradation and Development,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 9, 2025
ABSTRACT
Enhancing
nitrogen
use
efficiency
(NUE)
is
widely
recognized
as
an
important
strategy
for
both
agronomic
productivity
and
environmental
sustainability.
This
study
aims
to
provide
a
comprehensive
analysis
of
NUE
at
global
country
levels,
including
selected
nations
such
the
United
States,
France,
China,
India,
South
Africa.
It
also
examines
recent
advancements
in
agricultural
practices
designed
enhance
crop
yields
while
minimizing
overuse
fertilizers.
The
findings
indicated
that
world
some
countries,
States
America,
has
been
increasing
with
different
gradient,
resulting
decline
surpluses
contributing
pollution
these
countries
over
years.
In
contrast,
India
Africa
have
shown
increase
surpluses.
Additionally,
enhancing
through
innovative
procedures
cutting‐edge
technologies
importance
reducing
reliance
on
heavy
applications
mitigating
their
impact.
was
concluded
harmonizing
strategies
precision
agriculture
technological
can
significantly
improve
preserve
health.
Smart Agricultural Technology,
Год журнала:
2024,
Номер
8, С. 100504 - 100504
Опубликована: Июль 17, 2024
The
global
food
supply
heavily
depends
on
utilizing
fertilizers
to
meet
production
goals.
adverse
impacts
of
traditional
fertilization
practices
the
environment
have
necessitated
exploration
new
alternatives
in
form
smart
fertilizer
technologies
(SFTs).
This
review
seeks
categorize
SFTs,
which
are
slow
and
controlled-release
Fertilizers
(SCRFs),
nano
fertilizers,
biological
describes
their
operational
principles.
It
examines
environmental
implications
conventional
outlines
attributes
SFTs
that
effectively
address
these
concerns.
findings
demonstrate
a
pronounced
advantage
including
enhanced
crop
yields,
minimized
nutrient
loss,
improved
use
efficiency,
reduced
greenhouse
gas
(GHG)
emissions.
Nevertheless,
amidst
benefits,
challenges
constraints
associated
with
technologies,
such
as
expenses
potential
specific
components,
also
discussed.
A
comparative
assessment
emphasizes
importance
balanced
approach,
considering
three
crucial
factors:
safety,
cost-effectiveness.
While
no
single
SFT
achieves
optimal
balance
across
dimensions,
integrating
multiple
may
help
mitigate
individual
drawbacks.
Also,
financial
cost-to-benefit
analyses
essential
gauge
applicability
diverse
cropping
environments.
Future
perspectives
shed
light
emerging
innovative
approaches
overcome
prevailing
cultivate
more
impactful
role
fostering
sustainable
agriculture.
Frontiers of Agricultural Science and Engineering,
Год журнала:
2024,
Номер
0(0), С. 0 - 0
Опубликована: Янв. 1, 2024
●
Soil
acidification
is
determined
by
proton
production
and
soil
buffering
capacity.
Cropland
mainly
caused
anthropogenic
activities.
Nitrogen
transformations
dominate
processes.
Acidification
stage-specific
strategies
are
needed
for
managing
acidification.
Optimizing
N
rate
form
highly
effective
in
mitigating
a
serious
constraint
to
food
worldwide.
This
review
explores
its
primary
causes,
with
focus
on
the
role
of
nitrogen
fertilizer,
suggests
mitigation
based
optimal
management.
Natural
leaching
weak
acid
climate
conditions,
whereas
use
ammonium-based
fertilizers,
nitrate
removal
base
cations
(BCs)
crop
harvesting
mostly
accounts
In
addition,
low
capacity,
parent
materials
organic
matter
content,
also
accelerates
study
proposes
targeted
different
stages
acidification,
which
include
monitoring
carbonate
content
pH
soils
>
6.5
(e.g.,
calcareous
soil),
alkaline
amendments
strongly
acidic
(pH
<
5.5)
aluminum
toxicity
risk
between
5.5
6.5,
decreasing
rates
supplementing
BCs
maintain
this
range,
especially
Effective
involves
optimizing
fertilizers
used,
regulating
transformation
processes,
establishing
an
integrated
soil–crop
management
system
that
balances
Frontiers in Environmental Science,
Год журнала:
2022,
Номер
10
Опубликована: Авг. 12, 2022
Urea
is
a
commonly
used
nitrogen
(N)
fertilizer
that
contributes
to
world
food
production,
and
there
have
been
increasing
concerns
about
relatively
low
urea-N
use
efficiency.
Biochar
has
shown
the
potential
mitigate
N
loss,
but
how
biochar
influences
urea
hydrolysis
underlying
mechanisms
are
still
unclear.
In
this
study,
long-term
biochar-amended
upland,
paddy
greenhouse
soils
were
sampled
at
depths
of
0–20
20–40
cm
in
Haicheng
City,
Northeast
China.
Soil
contents,
rates
(UHRs),
total,
intracellular
extracellular
urease
activities
determined,
as
well
total
bacterial
ureolytic
microbial
gene
abundance
quantified.
The
results
showed
increased
activity
by
32.64–66.39%
upland
soil
2.90–2.13-fold
soil.
Both
ureases
contributed
increase
activity.
However,
soil,
(+35.07–74.22%)
(−40.14–77.68%)
responded
inconsistently
incorporation.
Increases
ureC
copy
numbers
(2.15-
4.47-fold)
(20.93%)
implied
stimulated
microorganisms
capable
producing
urease,
liming
effect
pH
(0.11–0.60
units),
which
optimized
reaction,
together
explained
increases
We
found
decreased
content
was
accompanied
higher
UHR
soils,
suggesting
accelerated
exerted
negative
on
content,
possibly
caused
excessive
NH
3
volatilization.
where
not
increased,
an
effective
amendment
for
simultaneously
improving
content.
