Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 9, 2024
Abstract
Background
Proper
water
and
fertilizer
management
can
improve
soil
quality,
regulate
microbial
community
balance,
increase
crop
yield.
However,
the
overall
quality
of
Panax
notoginseng
under
different
irrigation
fertilization
levels
are
still
unclear.
Methods
We
set
up
an
experiment
with
W1F1,
W1F2,
W1F3,
W1F4,
W2F1,
W2F2,
W2F3,
W2F4,
W3F1,
W3F2,
W3F3,
W3F4
treatments
a
non-irrigated
non-fertilized
CK
as
control
in
pseudoginseng
farmland
during
3
consecutive
years.
The
differences
TDS
covering
13
physicochemical
properties
biological
indicators
fruiting
stage
were
analyzed,
effects
on
structure
function
bacterial
phyla
level
further
explored.
MDS
was
selected
by
principal
component
analysis
Norm
value
combined
Pearson
correlation
analysis,
SQI-MDS
employed
to
comprehensively
evaluate
each
treatment
corresponding
yield
associated.
Results
data
showed
that
Alpha
diversity
index,
structure,
three
years
had
significant
difference.
In
years,
coupling
compared
single
or
more
unique
bacteria
phyla,
Acidobacteriota,
Actinobacteriota,
Chloroflexi,
Proteobacteria
dominant
treatment,
Acidobacteriota
Firmicutes
phylum
demonstrated
difference
W3
F3
respectively,
values
multiple
positive
functional
metabolism
potential
W3F3
significantly
greater
than
CK.
addition,
richness
beneficial
increased
planting
included
pH
Shanno
indicators,
fitting
effect
between
SQI-MDS-NL
SQI-TDS
better
year.
regimes
top
same
every
Furthermore,
2018–2019,
2019–2020,
2021–2022
year
1.63
times,
1.29
0.95
times
CK,
respectively.
Conclusions
This
study
provides
reference
for
understanding
condition
long
term
formulating
optimization
plan
increasing
notoginseng.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(24), P. 11120 - 11120
Published: Dec. 18, 2024
The
issue
of
soil
contamination
by
heavy
metals
(HMs)
has
attracted
extensive
attention.
In
the
present
study,
effects
four
remediation
measures
combined
with
rice
intercropping
on
quality
soils
were
evaluated
in
a
mildly
HM-contaminated
paddy
field.
results
showed
that
better
comprehensive
found
system
high
and
low
Cd-tolerant
than
monoculture
system.
Both
foliar
spraying
sodium
selenite
inoculation
Pseudomonas
TCd-1
significantly
reduced
Nemerow
pollution
index
(NCPI)
soils.
application
biochar
lime
increased
fertility
index.
Among
all
treatments,
30
t∙hm−2
3600
kg∙hm−2
improved
most.
lowest
single-factor
indices
(SFPIs)
Cd,
Cu,
Zn,
Ni
Pb
NCPI
observed
treatment
at
45
mg∙L−1,
showing
greatest
reduction
HMs.
1200
mg∙L−1
effectively
quality.
Overall,
fields
dramatically
influenced
cleaner
production
is
great
significance
to
maintenance
food
security.
