Atmosphere,
Journal Year:
2021,
Volume and Issue:
12(9), P. 1179 - 1179
Published: Sept. 13, 2021
The
reduction
in
ammonia
(NH3)
losses
from
volatilization
has
significant
implications
forage
production.
objective
of
this
study
was
to
evaluate
the
impact
N
fertilizers
(urea,
ammonium
nitrate,
and
sulfate)
four
doses
(0,
90,
180
270
kg
ha−1)
on
by
NH3
volatilization,
accumulation,
chemical
composition
Urochloa
brizantha
cv
Marandu.
Two
field
experiments
were
conducted
measure
using
semi-open
chambers.
accumulation
evaluated
third
experiment;
response
variables
included
crude
protein
(CP),
neutral
detergent
fiber
(NDF).
Compared
urea,
nitrate
sulfate
reduced
84%
87%
increased
total
14%
23%,
respectively.
Forage
rate
CP
linearly
with
levels,
while
NDF
contents
decreased
levels.
In
both
experiments,
characteristics
different
according
rainfall
pattern
temperature
variations.
Our
results
indicate
that
use
nitric
ammoniacal
application
fertilizer
rainy
season
constitute
an
efficient
management
strategy
increase
yield
decrease
NH3.
SOIL,
Journal Year:
2025,
Volume and Issue:
11(1), P. 1 - 15
Published: Jan. 3, 2025
Abstract.
Fertilised
soils
are
a
significant
source
of
nitrous
oxide
(N2O),
highly
active
greenhouse
gas
and
stratospheric
ozone
depleter.
Nitrogen
(N)
fertilisers,
while
boosting
crop
yield,
also
lead
to
N2O
emissions
into
the
atmosphere,
impacting
global
warming.
We
investigated
relationships
between
mineral
N
fertilisation
rates
additional
manure
amendment
with
different
types
through
analysis
abundances
cycle
functional
genes,
soil
N2
emissions,
nitrogen
use
efficiency
(NUE),
physicochemical
biomass
production.
Our
study
indicates
that
predominantly
dependent
on
rate
enhance
an
increased
rate.
Crop
type
has
impact
emissions.
Higher
were
attained
application
in
comparison
fertilisation.
Manure
number
genes
variations
N2O.
The
mainly
related
nitrification
soil.
Quantification
showed
potential
role
denitrification,
comammox
(complete
ammonia
oxidation)
dissimilatory
nitrate
reduction
ammonium
(DNRA)
processes
as
did
not
find
moisture
be
significantly
linked
results
provide
evidence
that,
for
wheat,
80
kg
ha−1
is
closest
optimal
balancing
yield
achieving
high
NUE.
Sorghum
good
cultivation
temperate
climates,
it
similar
compared
other
but
maintained
low
losses
ha−1.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
16
Published: March 12, 2025
The
water
and
nitrogen
use
efficiency
of
alfalfa
is
very
low
in
the
arid
region
Northwest
China
currently.
In
this
field
experiments
2022
2023,
effects
traditional
flood
irrigation
(FI-12,
1200
mm;
FI-8,
880
mm),
sprinkler
(SI-8,
SI-5,
520
subsurface
drip
(DI-5,
DI-8,
mm))
on
yield,
(WUE),
(NUE)
were
studied.
results
showed
that
DI
SI
treatments,
especially
DI-5,
increased
seed
yield
by
increasing
number
inflorescences
pods
compared
with
FI
treatments.
DI,
reduced
loss
during
first
two
crops
each
growing
season
improving
WUE.
treatments
had
lowest
root/shoot
ratio
(R/S),
which
facilitated
distribution
photosynthetic
products
to
reproductive
organs
inhibited
overgrowth
root
system.
small
R/S
late
growth
stage
DI-5
treatment
also
helped
achieve
high
Besides,
largest
length
density,
promoted
uptake
utilization
alfalfa.
accumulation
plants,
soil
nitrate
(NO
3
−
-N)
leaching
NH
volatilization
at
maturity
NUE.
summary,
fertigation,
coordinated
vegetative
growth,
loss,
leaching,
volatilization,
WUE,
NUE
This
study
will
advance
understanding
mechanism
regulating
use,
provide
a
scientific
basis
for
application
fertigation
semi-arid
areas.
Atmosphere,
Journal Year:
2021,
Volume and Issue:
12(9), P. 1179 - 1179
Published: Sept. 13, 2021
The
reduction
in
ammonia
(NH3)
losses
from
volatilization
has
significant
implications
forage
production.
objective
of
this
study
was
to
evaluate
the
impact
N
fertilizers
(urea,
ammonium
nitrate,
and
sulfate)
four
doses
(0,
90,
180
270
kg
ha−1)
on
by
NH3
volatilization,
accumulation,
chemical
composition
Urochloa
brizantha
cv
Marandu.
Two
field
experiments
were
conducted
measure
using
semi-open
chambers.
accumulation
evaluated
third
experiment;
response
variables
included
crude
protein
(CP),
neutral
detergent
fiber
(NDF).
Compared
urea,
nitrate
sulfate
reduced
84%
87%
increased
total
14%
23%,
respectively.
Forage
rate
CP
linearly
with
levels,
while
NDF
contents
decreased
levels.
In
both
experiments,
characteristics
different
according
rainfall
pattern
temperature
variations.
Our
results
indicate
that
use
nitric
ammoniacal
application
fertilizer
rainy
season
constitute
an
efficient
management
strategy
increase
yield
decrease
NH3.
