Authorea (Authorea),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 3, 2023
China’s
low
nitrogen
fertilizer
use
raises
agricultural
prices
and
environmental
dangers.
High-carbon
with
biochar
could
help
sequester
carbon.
was
tested
on
roasted
tobacco
cultivation
in
Chenzhou.
No-nitrogen
treatment
assessed
consumption
economic
benefits.
Fertilizer-only
cake
treatments,
substituting
13%
26%
of
high
carbon-based
fertilizer,
yielded
the
following
results:
Replacing
N
high-carbon
increased
dry
matter
accumulation,
utilization,
agronomic
efficiency,
application
production
investment
ratios
to
493.97
g-plant-1,
32.39%,
137.43
kg-kg-1,
65168.31
yuan-hm-2,
8.97
yuan-yuan-1.
484.46
34.46%,
148.37
72408.74
8.04
yuan-yuan-1
at
replacement.
boosted
efficiency
more
than
fertilizer.
The
ratio
chemical
organic
improved
plant
growth
by
improving
utilization.
Using
only
nitrogen,
tobacco’s
distribution
26%,
27%,
23%,
24%
roots,
stems,
leaves,
flowers.
Partial
replacement
or
stems
from
25%
30%,
slightly
reducing
roots
leaves.
Chenzhou
tobacco-rice
rotation
system
optimizes
It
outperforms
A
a
ratio.
Soil Use and Management,
Journal Year:
2024,
Volume and Issue:
40(4)
Published: Oct. 1, 2024
Abstract
The
substitution
of
synthetics
by
organic
fertilizers,
which
is
the
current
pillar
circular
economy,
has
been
broadly
evaluated.
However,
varying
results
were
obtained
on
nitrous
oxide
(N
2
O)
and
nitric
(NO)
emissions
as
well
crop
yields.
Besides,
in
irrigated
semi‐arid
croplands,
drip
fertigation
suggested
to
be
an
effective
practice
for
mitigating
N
O
NO
while
maintaining
or
enhancing
agronomic
performance.
promising
combination
fertilization
remains
poorly
studied.
By
setting
up
melon
(
Cucumis
melo
L.)
during
2022,
maize
Zea
mays
2023,
we
aimed
evaluate
effect
different
combinations
nitrogen
(N)
fertilizers:
control
without
fertilization,
100%
rate
solid
manure
(100OrM),
50%
urea
(50OrM–50Syn),
soluble
(50OrM–50OrS),
(100Syn)
(100OrS).
Urea
fertilizers
supplied
via
fertigation.
N‐oxides
NO),
methane
(CH
4
)
ecosystem
respiration
(CO
fluxes,
mineral
(ammonium
[NH
+
]
nitrate
[NO
3
−
]),
dissolved
carbon
(DOC)
parameters
analysed.
As
regards
O,
no
differences
observed
between
treatments
crop,
whereas
cumulative
highest
100OrM,
followed
50OrM–50Syn.
Regarding
emissions,
significantly
lower
50OrM–50Syn
50OrM–50OrS
34%–54%,
compared
with
100OrM
100Syn.
In
emission
was
also
detected
treatment.
response
only
total
solids
(with
maximum
values
100Syn
treatment).
top‐dressing
fertilizer
prevented
penalties
use
efficiency,
100OrS.
Therefore,
conventional
at
seeding
dressing
(applied
fertigation)
most
sustainable
strategy
from
environmental
viewpoints
Mediterranean
agroecosystems.
Authorea (Authorea),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 3, 2023
China’s
low
nitrogen
fertilizer
use
raises
agricultural
prices
and
environmental
dangers.
High-carbon
with
biochar
could
help
sequester
carbon.
was
tested
on
roasted
tobacco
cultivation
in
Chenzhou.
No-nitrogen
treatment
assessed
consumption
economic
benefits.
Fertilizer-only
cake
treatments,
substituting
13%
26%
of
high
carbon-based
fertilizer,
yielded
the
following
results:
Replacing
N
high-carbon
increased
dry
matter
accumulation,
utilization,
agronomic
efficiency,
application
production
investment
ratios
to
493.97
g-plant-1,
32.39%,
137.43
kg-kg-1,
65168.31
yuan-hm-2,
8.97
yuan-yuan-1.
484.46
34.46%,
148.37
72408.74
8.04
yuan-yuan-1
at
replacement.
boosted
efficiency
more
than
fertilizer.
The
ratio
chemical
organic
improved
plant
growth
by
improving
utilization.
Using
only
nitrogen,
tobacco’s
distribution
26%,
27%,
23%,
24%
roots,
stems,
leaves,
flowers.
Partial
replacement
or
stems
from
25%
30%,
slightly
reducing
roots
leaves.
Chenzhou
tobacco-rice
rotation
system
optimizes
It
outperforms
A
a
ratio.
