Bioorganic fertilizers from agricultural waste enhance rice growth under saline soil conditions
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: March 15, 2025
Agricultural
waste
(AW)
presents
significant
environmental
challenges
if
not
effectively
managed.
Recycling
AW
as
bio-organic
fertilizers
(BIOs)
offers
a
sustainable
solution,
improving
soil
health,
reducing
dependence
on
chemical
fertilizers,
and
stimulating
crop
growth.
This
study
investigated
the
effectiveness
of
BIOs
generated
from
composted
with
plant
growth-promoting
rhizobacteria
(PGPR),
including
Enterobacter
sp.
R24,
Bacillus
tequilensis
P8,
Pseudomonas
azotoformans
S81.
produced
peanut
shell,
rice
straw,
duckweed,
bran
were
applied
to
seedlings
under
normal
saline
(85
mM
NaCl)
conditions.
The
results
revealed
that
PGPR-fermented
utilized
for
only
15–30
days
significantly
improved
seed
germination
root
length.
BIO-duckweed
BIO-peanut
proved
high
in
nitrogen,
phosphate,
potassium
content,
thereby
increasing
total
biomass
by
188%
85%,
respectively.
In
non-saline
soil,
shell
outperformed
promoting
growth
chlorophyll
content.
Additionally,
BIO-rice
straw
gave
58%
reduction
proline
levels
conditions,
indicating
stress
capacity.
treatments
demonstrated
improvements
both
nutrient
availability
microbial
diversity.
Specifically,
increased
phosphate
143.26%,
13.80%
over
control
7.23%,
30.69%
treatment,
denaturing
gradient
gel
electrophoresis
(DGGE)
analysis
further
noticeable
increase
diversity
soils
treated
BIOs,
which
was
absent
untreated
soil.
Indeed,
promoted
development
five
distinct
bacterial
genera
condition,
underscoring
BIOs'
ability
enhance
community
structure.
highlights
potential
combined
PGPRs
extreme
salt
stress.
alternative
enhances
health
availability,
diversity,
beneficial
microbes,
ultimately
long-term
resilience
fertility.
Language: Английский
Genetic diversity in F3 segregating populations of rice (Oryza sativa L.) genotypes under salt stress
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
16
Published: April 8, 2025
Rice
is
an
important
cereal
crop
rich
in
starch
and
carbohydrates
grown
around
the
globe.
Despite
its
significance,
rice
exhibits
substantial
genetic
variation,
particularly
under
environmental
stresses
such
as
salinity.
This
study
investigates
diversity
of
F3
segregating
populations
normal
salt
stress.
Various
genotypes
were
evaluated,
demonstrating
statistically
significant
differences
(p<0.01
p<0.05,
ANOVA)
morphological
physiological
parameters.
The
Kharagnjia
L-12
performed
well
soils,
while
Shua-92
L-20
showed
better
performance
tiller
plant-1
panicle
length.
cluster
analysis
grouped
into
four
major
clusters
based
on
similarity.
Principal
Component
Analysis
(PCA)
identified
tillers
per
plant,
length,
grain
yield
leaf
area
key
contributors
to
variation.
highest
variability
was
observed
PC-XII
(100%)
PC-XI
(98.3%).
These
findings
provide
valuable
insights
for
breeding
programs
aimed
at
enhancing
tolerance
rice.
Language: Английский