Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Июнь 29, 2023
Abstract
The
present
field
trial
investigated
the
impacts
of
combined
organic-inorganic
fertilization
(COIF)
on
crop
quality,
soil
nutrients,
and
ecological
risks
(e.g.,
Cd)
using
entire
growth
period
wheat.
To
do
so,
we
set
up
seven
different
treatments
in
this
study:
control
(CK);
chemical
nitrogen
(N)
fertilizer
(CF);
optimized
(OF);
organic
replacing
25%
(T1)
50%
(T2)
fertilizer;
N
(M1)
(M2)
fertilizer.
Overall,
our
results
suggested
that
COIF
caused
a
significant
increase
yield
Compared
with
CK,
highest
wheat
happened
M1
treatment
(18.27%),
although
increases
also
occurred
T1
(13%),
T2
(6.40%),
M2
(9.63%)
(P
<
0.05).
Besides,
increased
grain
protein
content
by
31.9%.
In
terms
properties,
could
alleviate
acidification
while
improving
cation
exchange
capacity
(CEC).
addition,
significantly
contents
total
phosphorus,
potassium,
available
6.35–16.9%,
3.17–10.9%,
5.53–28.7%,
2.6–12%
0.05),
respectively.
Altogether,
work
replacement
ratios
CF
25%~50%
cow
manure
are
most
effective
practices
to
improve
yield,
fertility,
sustainability
study
soils.
Agronomy,
Год журнала:
2025,
Номер
15(1), С. 210 - 210
Опубликована: Янв. 16, 2025
In
light
of
the
issue
concerning
excessive
fertilization
that
prevails
in
Huang-Huai-Hai
Plain,
through
conducting
a
13-year
long-term
positioning
experiment,
sustainability
wheat
and
maize
double-cropping
soil
system
under
different
strategies
is
evaluated
using
triangular
area
method.
The
objective
to
establish
theoretical
basis
for
development
implementation
appropriate
practices
Plain.
protracted
chemical
fertilizer
(F)
was
taken
as
control
(CK)
three
distinct
treatments
combining
organic
inorganic
fertilizers
were
used:
with
straw
mulching
(FS),
cow
dung
(FM),
(FMS).
Between
2018
2019,
non-fertilization
treatment
concurrently
incorporated
parallel
on
foundation
each
existing
treatment.
results
indicated
following
prolonged
fertilization,
nutrient
content,
enzyme
activity,
crop
yield
significantly
greater
than
those
alone,
resulting
more
stable
yield.
After
two
years
discontinuation
cultivation,
fertility
indexes
exhibited
notable
decline.
However,
rate
decrease
lower
compared
single
application
treatment,
suggesting
allocation
+
contributes
better
preservation
fertility.
Through
an
assessment
system’s
various
treatments,
it
becomes
evident
two-year
cessation
soils
subjected
(1.26,
1.29,
1.27)
exceeded
treated
solely
(1.00).
These
findings
provide
further
evidence
supporting
notion
combined
can
enhance
capacity
sustainable
production
wheat–maize
farmland
within
Agronomy,
Год журнала:
2025,
Номер
15(2), С. 288 - 288
Опубликована: Янв. 24, 2025
Nitrous
oxide
(N2O)
is
a
major
greenhouse
gas
(GHG)
responsible
for
global
warming.
Improper
fertilization
in
agricultural
fields,
particularly
excessive
nitrogen
(N)
application,
accelerates
soil
N2O
emissions.
Though
partial
substitution
with
organic
fertilizer
has
been
implemented
to
mitigate
these
emissions,
the
effect
on
perennial
systems,
such
as
tea
plantations,
remains
largely
unexplored.
Therefore,
present
study
monitored
emissions
year
plantation
South
China
under
following
treatments:
no
N
(control,
CK),
chemical
alone
(CF),
replacing
40%
of
(CF
+
OF),
and
(OF).
Our
results
showed
that
annual
cumulative
from
ranged
1.03
3.43
kg
N2O-N
ha−1.
The
yield-scaled
(YSNE),
emission
factor
(EF)
were
highest
CF
OF
treatment
but
lowest
treatment.
Further
analysis
revealed
fertilization,
mainly
increased
ammonium
(NH4+-N)
nitrate
(NO3−-N)
levels
by
182–387%
195–258%,
respectively,
yields
120–170%.
However,
yield
decreased
gradually
increasing
substitution.
These
prove
complete
reduces
suggest
adopting
an
appropriate
rate
optimal
effect.
random
forest
(RF)
modeling
identified
water-filled
pore
space
(WFPS;
20.27%
total
variation),
temperature
(Tsoil;
19.29%),
NH4+-N
(18.27%)
key
factors
significantly
contributing
changes
flux.
findings
provide
theoretical
foundation
optimizing
regimes
sustainable
production
mitigation.
