Agronomy,
Journal Year:
2024,
Volume and Issue:
14(7), P. 1469 - 1469
Published: July 7, 2024
This
study
investigates
the
impact
of
corn
straw
return
and
nitrogen
application
rates
on
ammonia
volatilization
yield
enhancement
under
field
conditions,
in
order
to
reduce
emissions
while
increasing
crop
yield.
During
winter
wheat
season,
a
fissure
area
design
was
implemented,
comprising
three
levels
main
distinct
fertilizer
subsidiary
area,
for
total
nine
treatments.
The
results
can
be
summarized
as
follows:
(1)
flux
initially
increased
followed
by
decrease,
primarily
concentrated
within
first
14
days
after
fertilization,
with
peak
observed
at
4–5
before
decreasing.
Notably,
significantly
affected
cumulative
emissions,
ranging
from
0.019
1.786
kg·hm−2·d−1
0.013
1.693
across
two
seasons.
(2)
soil
higher
rate
exhibited
elevated
inorganic
content
urease
activity
same
level.
Maintaining
consistent
level,
discharge,
content,
activity.
(3)
interaction
between
substantially
Specifically,
during
optimal
combination
reducing
enhancing
(both
half
or
full)
combined
180
kg·hm−2
application.
reduction
augmentation
were
feasible
through
appropriate
preceding
season.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: July 26, 2023
A
3-year
field
experiment
was
setup
to
address
the
threat
of
underground
water
depletion
and
sustainability
agrifood
systems.
Subsurface
drip
irrigation
(SDI)
system
combined
with
nitrogen
management
under
conservation
agriculture-based
(CA)
maize-wheat
(MWS)
effects
on
crop
yields,
productivity
(WPi),
use
efficiency
(NUE)
profitability.
Grain
yields
maize,
wheat,
MWS
in
SDI
100%
recommended
N
were
significantly
higher
by
15.8%,
5.2%
11.2%,
respectively,
than
conventional
furrow/flood
(CT-FI)
system.
System
savings
(~
55%)
mean
WPi
CT-FI
There
saving
25%
fertilizer
maize
whereas
no
observed
wheat.
Net
returns
from
(USD
265)
(with
subsidy)
despite
cost
production.
The
net
increased
47%
when
considering
a
subsidy
80%
laying
Our
results
showed
great
potential
complementing
CA
maximize
productivity,
NUE,
WPi,
which
may
be
economically
beneficial
environmentally
sound
Trans-IGP
South
Asia.