PeerJ,
Journal Year:
2019,
Volume and Issue:
6, P. e6171 - e6171
Published: Jan. 4, 2019
Soil
aggregation
is
fundamental
for
soil
functioning
and
agricultural
productivity.
Aggregate
formation
depends
on
microbial
activity
influencing
the
production
of
exudates
hyphae,
which
in
turn
act
as
binding
materials.
Fungi
are
also
important
improving
quality
promoting
plant
growth
a
symbiotic
manner.
There
scarcity
findings
comparing
long-term
impacts
different
yearly
double-crop
straw
return
modes
(e.g.,
to
field
straw-derived
biochar
field)
fungal
community
structure
rice-wheat
rotation
systems.The
effects
6-year
continuous
amendment
physicochemical
properties
were
evaluated
an
intensively
managed
crop
system
(rice-wheat).
samples
aggregates
(macroaggregates,
microaggregates,
silt
clay)
from
four
fertilization
regimes
(control,
CK;
traditional
inorganic
fertilization,
CF;
returned
field,
CS;
addition,
CB)
obtained,
Illumina
MiSeq
sequencing
analysis
internal
transcribed
spacer
gene
was
performed.Compared
CF,
CS
CB
enhanced
organic
carbon,
total
nitrogen,
0-20
20-40
cm
soil,
with
exhibiting
stronger
effect.
Additionally,
agrowaste
addition
increased
mean
weight
diameter
geometric
decreased
fractal
dimension
(p
<
0.05).
Principal
coordinates
indicated
that
management
affected
distribution.
In
richness
diversity,
compared
CK,
these
aspects.
Ascomycota,
unclassified_k_Fungi,
Basidiomycota
dominant
phyla
all
samples.
At
genus
level,
clearly
fungi
decomposing
biosolids
(Articulospora
macroaggregates
Neurospora
soil);
pathogenic
(Monographella
Gibberella
microaggregates
soil)
CO2-emission-related
(Pyrenochaetopsis
clay
0-40
Straw
fertilizer
counteracted
some
adverse
showing
better
than
straw.
Horticultural Plant Journal,
Journal Year:
2020,
Volume and Issue:
6(4), P. 223 - 230
Published: June 10, 2020
Soil
microbial
communities
play
an
essential
role
in
maintaining
soil
fertility
and
are
considered
as
ecological
indicators
to
evaluate
health.
In
the
present
study,
we
examined
influence
of
almost
4
years
fertilization
[no
fertilizer
(CK),
nitrogen
alone
(N),
nitrogen,
phosphorus
potassium
chemical
(NPK),
organic
manure
(M),
plus
(NM),
NPK
(NPKM)]
on
functional
diversity
apple
orchard.
Compared
CK,
increased
carbon,
total
available
nutrients,
but
reduced
pH
N
treatments.
The
highest
biomass
carbon
most
probable
number
actinomycetes,
bacteria,
fungi
occurred
NPKM
treatment.
average
well
color
development
(AWCD)
values
followed
order
>
M>
NM
CK
N.
Shannon
index
treatments
were
significantly
higher
than
control
without
manure.
principal
component
analysis
showed
that
treatment
was
separated
from
other
These
results
indicated
applied
or
combination
with
fertilizers
would
increase
communities.
Moreover,
applying
balanced
N,
P,
K
found
be
superior
use
a
single
improving
community
quality.
Frontiers in Microbiology,
Journal Year:
2022,
Volume and Issue:
13
Published: Feb. 3, 2022
Irrigation
and
nitrogen
(N)
fertilization
rates
are
widely
used
to
increase
crop
growth
yield
promote
the
sustainable
production
of
maize
crop.
However,
our
understanding
irrigation
N
in
soil
microenvironment
is
still
evolving,
further
research
on
bacterial
communities
under
with
management
subtropical
regions
China
needed.
Therefore,
we
evaluated
responses
two
levels
(low
high
water
60
80%
field
capacity,
respectively)
five
[i.e.,
control
(N0),
N200
(200
kg
ha-1),
N250
(250
N300
(300
N350
(350
ha-1)]
communities,
richness,
diversity.
We
found
that
both
significantly
affected
diversity
index,
number
sequences.
Low
treatment
has
higher
enzymes
activities,
nutrient
content,
alpha
beta
than
irrigation.
In
addition,
Proteobacteria,
Actinobacteriota,
Chloroflexi,
Firmicutes
were
dominant
phyla
regimes.
The
acidic
phosphates,
invertase,
β-glucosidase,
catalase,
cellulase,
urease
positively
correlated
Shannon
index
low
improves
utilization
by
boosting
enzyme
activity,
directly
affecting
communities.
It
was
concluded
greater
nutrients,
activities
main
indicators
reactivity
for
maintaining
fertility
microbial
community
balance.
