Agronomy,
Год журнала:
2025,
Номер
15(5), С. 1103 - 1103
Опубликована: Апрель 30, 2025
It
is
unclear
whether
enhanced
efficiency
fertilizer
(EEF)
or
deep
fertilization
strategies
(DF)
can
simultaneously
improve
crop
productivity
and
reduce
gaseous
nitrogen
losses.
The
DF
strategy’s
investment
cost
lower
than
that
of
EEF’s,
with
more
potential
for
large-scale
promotion.
However,
there
still
a
need
comprehensive
comparison
evaluation
EEF’s
effects
on
Here,
we
examine
the
EEF
yield,
use
(NUE),
nitrous
oxide
(N2O)
ammonia
(NH3)
emissions
by
meta-analysis
published
studies.
We
collected
peer-reviewed
articles
in
recent
decades
conducted
global
meta-analysis,
explored
their
responses
to
different
climatic,
field
management
practices,
environmental
factors.
results
showed
compared
urea
application
surface,
significantly
increased
yields
7.52%
13.88%
NUE
25.84%
36.27%
reduced
N2O
37.98%
34.18%
NH3
42.37%
69.68%,
respectively.
strategy
superior
EEF.
Due
differences
climatic
factors,
soil
properties,
improving
loss
vary.
most
cases,
beneficial
Compared
EEF,
yield
84.63%
volatilization
64.47%,
yield-scaled
emission
13.32%,
60.23%.
Therefore,
emphasize
achieve
higher
yields,
utilization
efficiency,
nitrogen,
which
sustainable
development
agricultural
ecosystems.
research
provide
valuable
information
costs
under
an
effective
type
management.
Global Change Biology,
Год журнала:
2024,
Номер
30(2)
Опубликована: Фев. 1, 2024
Abstract
Maintaining
or
even
increasing
crop
yields
while
reducing
nitrous
oxide
(N
2
O)
emissions
is
necessary
to
reconcile
food
security
and
climate
change,
the
metric
of
yield‐scaled
N
O
emission
(i.e.,
per
unit
yield)
at
present
poorly
understood.
Here
we
conducted
a
global
meta‐analysis
with
more
than
6000
observations
explore
variation
patterns
controlling
factors
for
maize,
wheat
rice
associated
potential
mitigation
options.
Our
results
showed
that
average
across
all
available
data
followed
order
(322
g
Mg
−1
,
95%
confidence
interval
[CI]:
301–346)
>
maize
(211
CI:
198–225)
(153
144–163).
Yield‐scaled
individual
crops
were
generally
higher
in
tropical
subtropical
zones
temperate
zones,
also
trend
towards
lower
intensities
from
low
high
latitudes.
This
was
better
explained
by
climatic
edaphic
fertilizer
management,
their
combined
effect
predicted
70%
variance.
Furthermore,
our
analysis
significant
decrease
use
efficiency
production
systems
cereal
>10
ha
(maize),
6.6
(wheat)
6.8
(rice),
respectively.
highlights
indicators
can
be
used
as
valuable
proxies
reconciling
trade‐offs
between
mitigation.
For
three
major
staple
crops,
fertilization
up
30%,
optimizing
timing
placement
application
using
enhanced‐efficiency
fertilizers
significantly
reduced
similar
yields.
data‐driven
assessment
provides
some
key
guidance
developing
effective
targeted
adaptation
strategies
sustainable
intensification
production.
PLoS ONE,
Год журнала:
2024,
Номер
19(4), С. e0301296 - e0301296
Опубликована: Апрель 4, 2024
In
this
study,
the
complex
interactions
between
soil
types,
compaction,
and
moisture
on
nitrogen
(N)
transformation
processes
such
as
ammonia
(NH
3
)
volatilization,
ammonification,
nitrification,
denitrification
were
examined
over
a
30-day
period
using
simulated
column
approach.
Two
types:
loam,
sandy
subjected
to
three
compaction
treatments—control,
surface,
sub-surface
compaction—and
two
regimes,
dry
wet.
Liquid
urea
ammonium
nitrate
(32-0-0)
was
used
N
fertilizer
source
at
rate
of
200
kg
ha
-1
.
Key
indicators
transformations
measured,
including
residual
concentrations
4
-N)
(NO
-N),
NO
-N
leaching,
NH
nitrous
oxide
(N
2
O)
emissions.
Findings
revealed
that
significantly
increased
in
deeper
profiles,
with
highest
190.80
mg
recorded
loam
under
conditions.
Nitrification
rates
decreased
across
both
types
due
evidenced
by
elevated
levels.
Increased
leaching
observed
(178.06
L
),
greater
than
(81.11
initial
higher
-
soil.
The
interaction
most
affected
O
emissions,
emissions
control
treatments
during
weather
2.88
Additionally,
volatilization
noted
moist
conditions
19.64
These
results
highlight
necessity
considering
texture,
moisture,
implementing
sustainable
management
strategies
agriculture
suggest
recommendations
avoiding
broadcast
application
mitigate
enhance
use
efficiency,
well
advocating
for
readjustment
based
organic
matter
content
reduce
potential
particularly
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Май 2, 2024
Abstract
To
explore
the
impacts
of
continuous
Ganoderma
lucidum
cultivation
on
soil
physicochemical
factors,
enzyme
activity,
and
metabolome
fruiting
bodies,
this
study
conducted
two
consecutive
years
same
plot
land.
Soil
factors
activity
were
assessed,
alongside
non-targeted
metabolomic
analysis
bodies
under
cultivation.
The
findings
unveiled
that
in
surface
layer
(0–15
cm),
there
was
a
declining
trend
organic
matter,
ammonium
nitrogen,
available
phosphorus,
potassium,
pH,
polyphenol
oxidase,
peroxidase,
alkaline
phosphatase,
sucrase,
whereas
nitrate
electrical
conductivity
(EC),
salt
content
exhibited
an
upward
trend.
Conversely,
deeper
(15–30
sucrase
demonstrated
decreasing
trend,
while
EC,
content,
peroxidase
showed
increasing
Metabolomic
distinguished
64
significantly
different
metabolites
between
GCK
GT
groups,
with
39
components
having
markedly
higher
relative
contents
25
lower
compared
to
GT.
Moreover,
among
these
metabolites,
more
types
harvested
first
year
(GCK)
those
second
(GT),
pronounced
differences.
KEGG
pathway
revealed
complex
metabolic
pathways
predominantly
influenced
by
activity.
In
affected
differences
catalase,
sucrase.
Journal of Integrative Agriculture,
Год журнала:
2024,
Номер
unknown
Опубликована: Май 1, 2024
Nitrogen
(N)
serves
as
an
essential
nutrient
for
yield
formation
across
diverse
crop
types.
However,
agricultural
production
encounters
numerous
challenges,
notably
high
N
fertilizer
rates
coupled
with
low
use
efficiency
and
serious
environmental
pollution.
Deep
placement
of
nitrogen
(DPNF)
is
agronomic
measure
that
shows
promise
in
addressing
these
issues.
This
review
aims
to
offer
a
comprehensive
understanding
DPNF,
beginning
succinct
overview
its
development
methodologies
implementation.
Subsequently,
the
optimal
fertilization
depth
influencing
factors
different
crops
are
analyzed
discussed.
Additionally,
it
investigates
regulation
mechanism
underlying
DPNF
on
development,
yield,
greenhouse
gas
emissions.
Finally,
delineates
limitations
challenges
this
technology
provides
suggestions
improvement
application.
valuable
insight
reference
promotion
adoption
practice.
