Frontiers in Plant Science,
Год журнала:
2023,
Номер
14
Опубликована: Сен. 18, 2023
Optimal
management
of
nitrogen
fertilizer
profoundly
impacts
sustainable
development
by
influencing
use
efficiency
(NUE)
and
seed
cotton
yield.
However,
the
effect
long-term
gradient
application
on
sandy
loam
soil
is
unclear.
Therefore,
we
conducted
an
8-year
field
study
(2014–2021)
using
six
levels:
0
kg/hm
2
(N0),
75
(N1),
150
(N2),
225
(N3),
300
(N4),
375
(N5).
The
experiment
showed
that
1)
Although
had
insignificantly
affected
basic
fertility,
total
(STN)
content
decreased
5.71%–19.67%,
6.67%–16.98%,
13.64%–21.74%
at
0-cm–20-cm,
20-cm–40-cm,
40-cm–60-cm
layers,
respectively.
2)
reproductive
organs
N3
plants
highest
accumulation
dry
matter
in
both
years.
Increasing
rate
gradually
allocation
ratio
to
organs.
3)
boll
number
per
unit
area
was
largest
among
all
treatments
On
loam,
most
optional
190
–270
for
high
yield
with
minimal
loss
reduced
environment
pollution.
Agriculture,
Год журнала:
2025,
Номер
15(3), С. 239 - 239
Опубликована: Янв. 23, 2025
In
artificial
grassland
systems,
the
extensive
use
of
inorganic
nitrogen
(N)
fertilizers
has
greatly
enhanced
yields
but
also
caused
significant
environmental
issues.
The
combined
biochar
and
N
fertilizer
is
recognized
as
an
effective
sustainable
approach
to
reducing
risks
while
boosting
crop
production.
However,
specific
impacts
on
alfalfa
yield,
soil
properties,
root
morphology
remain
unclear.
This
study
examined
effects
three
application
rates
(0,
10,
20
t
hm−2)
four
levels
47,
94,
188
kg
hm−2
yr−1)
growth
characteristics.
Results
revealed
that
notably
promoted
development
increased
osmoregulatory
substance
content.
It
biomass
by
improving
nodule
count,
neck
bud
formation,
diameter,
reduced
numbers.
Biochar
bulk
density
0.8–10.5%,
with
further
increasing
available
phosphorus
potassium
levels.
Additionally,
their
significantly
elevated
nitrate
ammonium
concentrations.
Overall,
synergy
enhances
yield
fostering
better
fertility.
Agronomy,
Год журнала:
2023,
Номер
13(6), С. 1616 - 1616
Опубликована: Июнь 15, 2023
Biochar
is
frequently
utilized
as
a
helpful
amendment
to
sustain
agricultural
productivity.
However,
it
remains
uncertain
whether
biochar
can
effectively
replace
chemical
fertilizers,
especially
in
karst
regions.
To
investigate
the
effects
of
co-applying
and
fertilizer
on
biological
characteristics
uptake
pod
peppers,
well
determine
optimal
ratio
two-year
field
experiment
was
conducted
southwest
China.
The
results
showed
that,
compared
locally
typical
treatment
(CF),
combined
application
significantly
increased
yield
both
fresh
dry
pepper.
Chemical
reduction
also
ameliorated
fruit
quality,
nutrient
accumulation,
improved
utilization
efficiency.
What
more,
although
employment
made
production
costs
higher,
fertilizers
increase
economic
efficiency,
CF70B
(70%CF
+
biochar).
In
conclusion,
moderate
amounts
instead
may
be
valid
management
strategy
for
pepper
mountain
areas,
which
beneficial
maintaining
stability,
improving
increasing
net
income.
Agronomy,
Год журнала:
2023,
Номер
13(6), С. 1591 - 1591
Опубликована: Июнь 13, 2023
In
recent
years,
vermicompost
(V)
has
been
widely
used
as
an
amendment
for
improving
crop
productivity
and
soil
quality.
However,
the
ameliorative
effect
of
on
continuous
cropping
pepper
remains
unclear,
particularly
in
karst
areas
southwestern
China.
A
field
experiment
was
conducted
to
study
application
yield,
quality,
nutrient
accumulation,
fertilizer
utilization,
economic
benefits
from
2021
2022.
The
included
six
treatments:
CK
(no
fertilizer),
FP
(the
fertilization
practice
local
farmers),
FPV
(FP
combined
with
1500,
2250,
3000,
3750
kg·ha−1).
results
show
that
increased
yield
fresh
pod
by
28.34–51.36%
(2021)
47.13–68.82%
(2022),
whereas
dry
16.97–35.14%
34.48–62.61%
respectively,
compared
treatment.
reduced
nitrate
content
vitamin
C
(VC)
soluble
sugar
fruits,
which
is
beneficial
their
Vermicompost
not
only
uptake
but
also
significantly
improved
agronomic
efficiency
(AE)
recovery
(RE).
addition,
although
production
costs,
increase
net
incomes
(16.02–31.83%
35.83–62.85%
2022),
especially
FPV4
conclusion,
use
had
a
positive
pepper,
may
be
effective
management
strategy
mountain
southwest
Agronomy,
Год журнала:
2023,
Номер
13(5), С. 1304 - 1304
Опубликована: Май 6, 2023
Biochar
application
has
been
confirmed
as
an
efficient
way
to
increase
the
productivity
of
agricultural
system.
However,
potential
biochar
combined
with
reducing
fertilization
on
yield,
and
fertilizer
utilization
efficiency
rice
(Oryza
sativa)
farming
system
acidic
soil
remains
be
further
studied.
Field
micro-plot
experiments
two
factors
were
performed
in
2018
2019
evaluate
responses
yield
nutrient
(60,
80,
100
t/ha)
reduction
(70%,
85%,
standard
doses
N-P-K
fertilizer).
Taoyouxiangzhan
Taiyou
553
used
late
growing
season
2019,
respectively.
The
results
showed
that
compared
control
without
adding
under
fertilization,
70%
had
no
negative
effects
N,
P,
K
accumulation
after
application.
increased
partial
fertilizers
was
decreased.
agronomic
significantly
applications
fertilizer.
In
both
years,
micro-plots
highest
N
P
physiological
efficiency,
well
2019.
Compared
different
combinations
by
34.24~75.48%,
27.44~84.84%,
78.52~166.70%,
To
sum
up,
can
partially
substitute
for
production
acid
paddy
fields
southern
China.
When
amount
added
is
≥60
t/ha,
still
ensure
absorption
rice,
improve
stable
rice.
Frontiers in Plant Science,
Год журнала:
2023,
Номер
14
Опубликована: Сен. 20, 2023
Recently,
biochar
(B)
and
vermicompost
(V)
have
been
widely
used
as
amendments
to
improve
crop
productivity
soil
quality.
However,
the
ameliorative
effects
of
on
continuous
cropping
pepper
under
open-air
conditions,
particularly
in
karst
areas
southwestern
China,
remain
unclear.
A
field
experiment
was
conducted
study
application,
alone
or
combination,
yield,
quality,
nutrient
accumulation,
fertilizer
utilization,
economic
benefits
from
2021
2022.
The
included
six
treatments:
CK
(no
fertilizer),
TF
(traditional
fertilization
local
farmers),
TFB
(TF
combined
with
3000
kg·ha-1),
TFV
TFBV1
1500
kg·ha-1
TFBV2
kg·ha-1).
Compared
treatment,
application
combination
increased
yield
fresh
pod
by
24.38-50.03%
31.61-88.92%
2022,
respectively,
whereas
dry
14.69-40.63%
21.44-73.29%
respectively.
reduced
nitrate
content
vitamin
C
(VC)
soluble
sugar
fruits,
which
is
beneficial
for
improving
their
Biochar
not
only
uptake
but
also
significantly
improved
agronomic
efficiency
(AE)
recovery
(RE).
In
addition,
although
production
costs,
increase
net
income
(ranging
0.77
22.34%
8.82
59.96%
2022),
treatment.
conclusion,
use
had
a
positive
effect
cropping,
co-application
could
be
an
effective
management
strategy
mountain
southwest
China.
