Communications in Soil Science and Plant Analysis,
Год журнала:
2023,
Номер
54(21), С. 2951 - 2964
Опубликована: Авг. 29, 2023
ABSTRACTThis
study
aimed
to
elucidate
the
mechanism
of
substituting
organic
fertilizer
for
mineral
increase
calcareous
fluvisol
soil
carbon.
Four
years
culture
experiments
were
conducted,
wheat
yield,
nutrients,
carbon
(SOC)
and
SOC
fractions
measured
compositional
changes
was
analyzed
by
attenuated
total
reflectance-fourier
transform
infrared
(ATR-FTIR)
spectroscopy.
Treatments
included
applying
no
(CK),
N
P
fertilizers
(CF)
replace
6%
(OF6),
12%
(OF12),
18%
(OF18)
24%
(OF24)
under
same
nutrient
conditions.
The
results
showed
that
OF24
treatment
best
among
treatments
employed.
Compared
with
CF,
SOC,
microbial
biomass
(MBC),
labile
fraction
1
(LOC1)
recalcitrant
(ROC)
increased
10.4%,
24.4%,
66.3%,
43.2%
30.7%,
however,
2
(LOC2)
decreased
16.8%.
ATR-FTIR
relative
absorption
intensity
at
1,000
cm−1
band
is
lower
than
CK
CF
treatment,
other
bands
are
higher
treatment.
Overall,
not
only
significantly
but
also
content
LOC1
MBC.
MBC
can
improve
environment
promote
decomposition
LOC2,
while
accelerate
turnover
rate
then
show
ROC
proportion
pool.KEYWORDS:
Commercial
fertilizersoil
improvementsoil
fractionswheat
AcknowledgementsWe
thank
Prof.
Junhua
Li
his
useful
comments
in
preparation
this
manuscript.Disclosure
statementNo
potential
conflict
interest
reported
author(s).Compliance
ethical
standardsThis
article
does
contain
any
studies
human
participants
performed
authors.Additional
informationFundingThis
research
supported
National
Key
Research
Development
Program
China,
Project
No.
2021YFD1900802,
Department
Resources
Environmental
Science,
Shihezi
University,
Shihezi,
Xinjiang,
People’s
Republic
China.
Agronomy,
Год журнала:
2024,
Номер
14(12), С. 2870 - 2870
Опубликована: Дек. 1, 2024
The
Northeastern
Black
Soil
Region
in
China
is
recognized
as
one
of
the
three
major
black
soil
regions
globally
and
often
regarded
a
cornerstone
national
food
security.
However,
prolonged
agricultural
practices
have
led
to
increasingly
severe
degradation,
mechanisms
driving
factors
behind
degradation
quality
remain
unclear.
Therefore,
this
study
examines
historical
current
characteristics
quality,
focusing
on
influencing
factors,
such
70-year
history
reclamation
climate
change.
By
accessing
different
databases,
reviewing
relevant
literature,
performing
Pearson
correlation
redundancy
analyses
(RDA),
investigated
variation
patterns
significant
indicators
their
0–20
cm
layer
along
latitudinal
direction
(Nenjiang,
Beian,
Hailun,
Harbin)
typical
region
Northeast
China.
main
conclusions
are
follows:
organic
matter
(SOM)
content
experienced
rapid
decline
30
years
preceding
cultivation
(1950~1980),
with
greatest
rate
Beian
area
(about
1.10
g/kg
per
year).
SOM
Harbin
areas
decreased
from
north
south,
changing
at
rates
9.40–21.67
g/kg/degree
0.15–0.34
g/kg/m
latitude
elevation,
respectively.
Elevation
impacts
annual
change
through
its
influence
mean
maximum
temperature
(AMXT)
atmospheric
pressure
(AP).
AMXT
AP
exhibit
linear
relationship
based
which
regression
models
were
established.
key
include
(Y),
minimum
temperatures
(AMXT
AMNT),
relative
humidity
(ARH),
AP.
An
increase
chemical
fertilizer
application
among
critical
affecting
pH.
Additionally,
extensive
use
machinery
can
reduce
porosity
cause
water
salt
accumulation,
ultimately
leading
This
offers
theoretical
support
for
mitigating
China’s
region,
thereby
contributing
security
promoting
sustainable
development.
Sustainability,
Год журнала:
2023,
Номер
15(11), С. 8570 - 8570
Опубликована: Май 25, 2023
New
conservation
management
(NCM)
for
summer
maize
monocultures
might
cause
changes
in
the
organic
carbon
composition
when
compared
with
conventional
tillage
(CT).
To
investigate
difference,
soil
(SOC)
under
13
years
of
NCM
and
CT
was
studied
Northeast
China.
The
involved
use
a
40
cm
160
narrow-wide
row
(maize
planted
narrow
two
lines)
straw
retained,
but
no
change
ridge
direction.
SOC
different
aggregate
size
classes
labile
fractions
at
0–10
cm,
10–20
20–40
depths
were
evaluated.
results
showed
that
there
significant
difference
content
depth,
values
ranging
from
19.9
to
21.1
g·kg−1
between
systems.
contents
microbial
biomass
(MBC)
light
fraction
(LFOC)
significantly
higher
than
upper
10
cm.
Among
fractions,
C
most
sensitive
change.
portion
macroaggregates
(>0.25
mm)
decreased
increase
depth.
improved
storage
aggregates
1–0.5
mm
reduced
microaggregates.
It
concluded
would
be
an
effective
useful
choice
enhancement
sequestration
field
systems
Communications in Soil Science and Plant Analysis,
Год журнала:
2023,
Номер
54(21), С. 2951 - 2964
Опубликована: Авг. 29, 2023
ABSTRACTThis
study
aimed
to
elucidate
the
mechanism
of
substituting
organic
fertilizer
for
mineral
increase
calcareous
fluvisol
soil
carbon.
Four
years
culture
experiments
were
conducted,
wheat
yield,
nutrients,
carbon
(SOC)
and
SOC
fractions
measured
compositional
changes
was
analyzed
by
attenuated
total
reflectance-fourier
transform
infrared
(ATR-FTIR)
spectroscopy.
Treatments
included
applying
no
(CK),
N
P
fertilizers
(CF)
replace
6%
(OF6),
12%
(OF12),
18%
(OF18)
24%
(OF24)
under
same
nutrient
conditions.
The
results
showed
that
OF24
treatment
best
among
treatments
employed.
Compared
with
CF,
SOC,
microbial
biomass
(MBC),
labile
fraction
1
(LOC1)
recalcitrant
(ROC)
increased
10.4%,
24.4%,
66.3%,
43.2%
30.7%,
however,
2
(LOC2)
decreased
16.8%.
ATR-FTIR
relative
absorption
intensity
at
1,000
cm−1
band
is
lower
than
CK
CF
treatment,
other
bands
are
higher
treatment.
Overall,
not
only
significantly
but
also
content
LOC1
MBC.
MBC
can
improve
environment
promote
decomposition
LOC2,
while
accelerate
turnover
rate
then
show
ROC
proportion
pool.KEYWORDS:
Commercial
fertilizersoil
improvementsoil
fractionswheat
AcknowledgementsWe
thank
Prof.
Junhua
Li
his
useful
comments
in
preparation
this
manuscript.Disclosure
statementNo
potential
conflict
interest
reported
author(s).Compliance
ethical
standardsThis
article
does
contain
any
studies
human
participants
performed
authors.Additional
informationFundingThis
research
supported
National
Key
Research
Development
Program
China,
Project
No.
2021YFD1900802,
Department
Resources
Environmental
Science,
Shihezi
University,
Shihezi,
Xinjiang,
People’s
Republic
China.
