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.
Global Ecology and Conservation,
Journal Year:
2020,
Volume and Issue:
22, P. e00933 - e00933
Published: Jan. 22, 2020
Nitrogen
(N)
fertilizers
increase
agricultural
yields,
but
also
lead
to
the
release
of
greenhouse
gases
nitrous
oxide
(N2O)
and
ammonia
(NH3).
This
not
only
reduces
efficiency
N
use,
results
in
climate
change
loss
biodiversity.
The
use
nitrification
inhibitors
may
improve
reduce
emission
gases.
We
tested
three
(NZONE
MAX,
Piadin
N-(n-butyl)
thiophosphoric
triamide
(NBPT))
added
two
common
(urea
urea
ammonium
nitrate
(UAN))
determined
emissions
CO2,
N2O
NH3
evaluate
effectiveness
these
our
understanding
soil
nitrogen
cycle.
NBPT
effectively
reduced
volatilization
by
50%
(from
3.0
g
NH3-N
m−2
alone
1.4
+
NBPT).
decreased
0.98
N2O-N
0.15
from
0.81
UAN
0.39
Piadin)
inhibiting
conversion
NH4+
NO3−.
However,
although
was
found
be
an
effective
inhibitor,
risk
higher
4.5
with
addition
cannot
neglected
environmental
economical
evaluations.
Journal of Integrative Agriculture,
Journal Year:
2023,
Volume and Issue:
22(11), P. 3549 - 3559
Published: July 5, 2023
Reducing
ammonia
(NH3)
and
nitrous
oxide
(N2O)
emissions
have
great
effects
on
mitigating
nitrogen
(N)
nutrient
loss
greenhouse
gas
emissions.
Controlled
release
urea
(CRU)
can
control
the
N
rate,
which
reduces
reactive
increases
use
efficiency
relative
to
conventional
(CU).
However,
crucial
factors
influencing
responses
of
NH3
N2O
CRU
CU
are
still
unclear.
In
this
study,
we
evaluated
based
collected
field
data
with
a
meta-analysis.
reduced
by
32.7
25.0%
compared
CU,
respectively.
According
subgroup
analysis,
presented
better
mitigation
in
soils
pH
6.5-7.5
(-47.9
-23.7%)
either
pH<6.5
(-28.5
-21.4%)
or
pH>7.5
(-29.3
-17.3%),
rice
season
(-34.8
-29.1%)
wheat
(-19.8
-22.8%).
The
increased
from
rainfed
(-30.5
-17.0%)
irrigated
(-32.5
-22.9%),
then
paddy
systems.
addition,
response
emission
soil
total
(TN);
however,
TN
did
not
significantly
affect
volatilization.
reduction
was
greater
sandy-textured
(-57.7%)
loam-
(-32.9%)
clay-textured
(-32.3%)
soils,
whereas
texture
emission.
Overall,
good
option
for
reducing
agricultural
production.
This
analysis
improves
our
understanding
environmental
management
under
application,
these
site-specific
should
be
considered
when
applying
reduce
increase
NUE.
