Agriculture,
Journal Year:
2021,
Volume and Issue:
11(12), P. 1233 - 1233
Published: Dec. 7, 2021
The
present
study
aims
to
assess
the
influences
of
long-term
crop
straw
returning
and
recommended
potassium
fertilization
on
dynamic
change
in
rice
oilseed
rape
yield,
soil
properties,
bacterial
fungal
alpha
diversity,
community
composition
a
rice–oilseed
system.
A
(2011–2020)
field
experiment
was
carried
out
selected
paddy
farmland
Jianghan
Plain,
central
China.
There
were
four
treatments
with
three
replications:
NP,
NPK,
NPS,
NPKS,
where
nitrogen
(N),
phosphate
(P),
(K),
(S)
denote
N
fertilizer,
P
K
straw,
respectively.
Results
showed
that
could
increase
yield
at
varying
degrees
for
ten
years.
Compared
NP
treatment,
incorporation
fertilizer
(NPKS
treatment)
found
have
best
effect,
rates
increased
by
23.0%
20.5%
rape,
application
NPK
years
decreased
diversity
relative
abundance
dominant
taxa,
whereas
continuous
had
contradictory
effect.
NPKS
treatment
significantly
some
copiotrophic
bacteria
(Firmicutes,
Gemmatimonadetes,
Proteobacteria)
fungi
(Ascomycota).
Available
K,
organic
matter,
dissolved
carbon,
easily
oxidized
carbon
closely
related
alterations
community;
slowly
available
correlated
community.
We
conclude
accompanied
should
be
employed
rice-growing
regions
achieve
not
only
higher
but
also
active
content
improvement
biological
quality
farmland.
Environmental Science & Technology,
Journal Year:
2024,
Volume and Issue:
58(6), P. 2786 - 2797
Published: Feb. 5, 2024
Understanding
the
underlying
mechanisms
of
soil
microbial
nitrogen
(N)
utilization
under
land
use
change
is
critical
to
evaluating
N
availability
or
limitation
and
its
environmental
consequences.
A
combination
gross
production
ecoenzymatic
stoichiometry
provides
a
promising
avenue
for
nutrient
assessment
in
metabolism.
Gross
via
15N
tracing
through
vector
threshold
element
ratio
(Vector-TER)
model
were
quantified
evaluate
response
changes.
We
used
tropical
samples
from
natural
forest
ecosystem
three
managed
ecosystems
(paddy,
rubber,
eucalyptus
sites).
Soil
extracellular
enzyme
activities
significantly
lower
than
forest.
The
Vector-TER
results
indicated
carbon
(C)
limitations
soil,
increased
limitation.
was
positively
related
mineralization
(GNM)
nitrification
(GN)
rates.
decrease
biomass
C
as
well
hydrolyzable
ammonium
led
N-acquiring
enzymes,
inhibiting
GNM
GN
rates
ultimately
increasing
also
correlated
with
leucine
aminopeptidase
β-N-acetylglucosaminidase.
highlight
that
converting
forests
can
increase
reducing
production.
Agronomy,
Journal Year:
2024,
Volume and Issue:
14(5), P. 879 - 879
Published: April 23, 2024
The
return
of
straw
and
manure
to
agricultural
fields
can
impact
soil
organic
carbon
(SOC)
biological
properties.
However,
there
is
a
lack
research
on
how
use
swine
manure,
maize
straw,
various
conditioners
together
affects
bacterial
fungal
populations.
This
study
aimed
investigate
six
treatments,
namely,
only
(S00),
combined
with
(S0Z),
biochar
(SCZ),
boron
slag
(SBZ),
agent
(SJZ),
bio-organic
fertilizer
(SFZ).
results
showed
that
after
the
two-year
return,
all
treatments
increased
SOC
content
in
2023,
which
was
12.55–26.89%
higher
than
S00.
And
SCZ
treatment
significantly
(SOC),
dissolved
(DOC),
easily
oxidizable
(EOC),
particulate
(POC),
microbial
biomass
(MBC)
by
26.89%,
25.44%,
56.88%,
16.08%,
43.54%,
compared
A
redundancy
analysis
(RDA)
continuous
application
has
positive
diversity
abundance
communities,
enhancing
accumulation
carbon.
Furthermore,
our
revealed
fungi
exhibited
sensitivity
composition
following
addition
bacteria.
In
conclusion,
different
beneficial
biodiversity
conservation
from
perspective
achieving
storage
protection.
Our
findings
suggested
combination
biochar,
been
proven
be
most
effective
for
increasing
labile
fractions
community.
Agriculture,
Journal Year:
2021,
Volume and Issue:
11(12), P. 1233 - 1233
Published: Dec. 7, 2021
The
present
study
aims
to
assess
the
influences
of
long-term
crop
straw
returning
and
recommended
potassium
fertilization
on
dynamic
change
in
rice
oilseed
rape
yield,
soil
properties,
bacterial
fungal
alpha
diversity,
community
composition
a
rice–oilseed
system.
A
(2011–2020)
field
experiment
was
carried
out
selected
paddy
farmland
Jianghan
Plain,
central
China.
There
were
four
treatments
with
three
replications:
NP,
NPK,
NPS,
NPKS,
where
nitrogen
(N),
phosphate
(P),
(K),
(S)
denote
N
fertilizer,
P
K
straw,
respectively.
Results
showed
that
could
increase
yield
at
varying
degrees
for
ten
years.
Compared
NP
treatment,
incorporation
fertilizer
(NPKS
treatment)
found
have
best
effect,
rates
increased
by
23.0%
20.5%
rape,
application
NPK
years
decreased
diversity
relative
abundance
dominant
taxa,
whereas
continuous
had
contradictory
effect.
NPKS
treatment
significantly
some
copiotrophic
bacteria
(Firmicutes,
Gemmatimonadetes,
Proteobacteria)
fungi
(Ascomycota).
Available
K,
organic
matter,
dissolved
carbon,
easily
oxidized
carbon
closely
related
alterations
community;
slowly
available
correlated
community.
We
conclude
accompanied
should
be
employed
rice-growing
regions
achieve
not
only
higher
but
also
active
content
improvement
biological
quality
farmland.
