Biomass,
Год журнала:
2024,
Номер
4(4), С. 1047 - 1077
Опубликована: Сен. 24, 2024
The
increasing
global
population
has
raised
concerns
about
meeting
growing
food
demand.
Consequently,
the
agricultural
sector
relies
heavily
on
chemical
fertilizers
to
enhance
crop
production.
However,
extensive
use
of
can
disrupt
natural
balance
soil,
causing
structural
damage
and
changes
in
soil
microbiota,
as
well
affecting
yield
quality.
Biofertilizers
biostimulants
derived
from
microalgae
cyanobacteria
are
promising
sustainable
alternatives
that
significantly
influence
plant
growth
health
owing
production
diverse
biomolecules,
such
N-fixing
enzymes,
phytohormones,
polysaccharides,
soluble
amino
acids.
Despite
these
benefits,
naturally
producing
high-quality
microalgal
biomass
is
challenging
various
environmental
factors.
Controlled
settings,
artificial
lighting
photobioreactors,
allow
continuous
production,
but
high
capital
energy
costs
impede
large-scale
biomass.
Sustainable
methods,
wastewater
bioremediation
biorefinery
strategies,
potential
opportunities
overcome
challenges.
This
review
comprehensively
summarizes
growth-promoting
activities
elucidates
mechanisms
by
which
metabolites
serve
their
effects
plants,
using
distinct
application
methods.
Furthermore,
it
addresses
challenges
explores
strategies
for
enhancing
sustainability
biofertilizers.
Sustainability,
Год журнала:
2023,
Номер
15(16), С. 12413 - 12413
Опубликована: Авг. 15, 2023
The
intensification
of
agricultural
production
in
response
to
the
global
population
increase
and
growing
demand
for
food
has
raised
significant
concerns
regarding
environmental
impacts
over
past
few
decades.
Currently,
modern
agriculture
aims
improve
quantity
quality
crop
yield,
minimizing
negative
effects
treatments
on
environment.
Recently,
microalgae
have
found
extensive
application
as
a
valuable
biological
resource
across
multiple
industries,
including
sector,
biofuel
production,
pharmaceutical
industry.
In
agriculture,
been
seen
promising
sustainable
alternative
agrochemicals,
offering
range
benefits
soil
fertility,
optimize
nutrient
management,
reduce
reliance
synthetic
fertilizers.
general,
demonstrated
efficient
cycling
abilities,
assimilating
converting
essential
nutrients,
such
nitrogen,
phosphorus,
potassium,
into
forms
readily
available
plants.
Additionally,
they
produce
bioactive
substances,
phytohormones,
which
direct
impact
physiological
processes
plants
promote
their
growth.
Microalgae
can
also
establish
beneficial
interactions
with
other
microorganisms,
supporting
growth
bacteria
fungi,
thus
promoting
healthy
microbiome.
On
hand,
photosynthetic
harness
sunlight
convert
carbon
dioxide
(CO2)
organic
matter
through
photosynthesis.
This
ability
allows
them
sequester
contribute
by
reducing
greenhouse
gas
emissions.
present
work
provides
an
overview
potential
biofertilizers,
highlighting
unique
characteristics,
benefits,
main
limitations
effective
implementation
agriculturally
practices.
Frontiers in Plant Science,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 16, 2025
Excessive
utilization
of
chemical
fertilizers
degrades
the
quality
medicinal
plants
and
soil.
Bio-organic
(BOFs)
including
microbial
inoculants
microalgae
have
garnered
considerable
attention
as
potential
substitutes
for
fertilizer
to
enhance
yield.
In
this
study,
a
field
experiment
was
conducted
investigate
effects
BOF
partially
substituting
on
growth
plant
Polygala
tenuifolia.
The
parameters,
bioactive
component
contents,
soil
properties
composition
rhizosphere
microorganisms
were
measured.
results
indicated
that
40%
with
showed
most
pronounced
growth-promoting
effect,
leading
29.30%
increase
in
underground
biomass
19.72%
3,6'-disinapoylsucrose
(DISS)
content.
Substituting
20%
improved
quality,
significantly
increasing
organic
matter
content
by
15.68%
(p<0.05).
Microalgae
addition
affected
bacterial
community
P.
tenuifolia,
reducing
relative
abundance
Cladosporium
33.33%
57.93%,
while
Chloroflexi
31.06%
38.27%,
under
reduction,
respectively.
positively
correlated
both
DISS
(p<0.05),
indicating
may
stimulate
species
associated
carbon
cycling,
thereby
enhancing
fertility,
nutrient
absorption,
ultimately
increased
accumulation
production
components
addition,
there
no
significant
difference
contents
between
reduced
dosage
combined
solid
inoculant
(SMI)
polyglutamic
(PMI),
compared
100%
fertilizer.
Correlation
analysis
revealed
PMI
could
phosphorus
availability
through
Streptomyces
recruitment.
conclusion,
our
findings
demonstrated
bio-organic
can
substitute
improve
microorganisms,
This
provides
theoretical
basis
productivity
reduction.
Horticulturae,
Год журнала:
2023,
Номер
9(12), С. 1306 - 1306
Опубликована: Дек. 5, 2023
Nowadays,
legal
regulations
and
social
environmental
concerns
are
converging
towards
the
promotion
of
more
sustainable
agriculture
based
on
organic
compounds
soil
preservation.
These
trends
fuelling
growth
biofertilizers,
which
beneficial
preparations
containing
microorganisms
able
to
enhance
a
plant’s
ability
uptake
essential
nutrients.
Their
production
commercialization
encompass
multitude
critical
steps
deeply
reviewed
in
this
manuscript
through
an
exhaustive
overview
key
stages,
such
as
microorganism
selection,
new
sources,
upscaling
field
trials,
encapsulation,
current
application
systems
regulatory
considerations.
However,
although
economical
expectations
promising,
several
methodological,
environmental,
undermining
their
advancement.
The
redefinition
international
frameworks,
enhancement
trending
technologies,
fostering
multidisciplinary
collaboration
across
sectors
players
promote
biofertilizers
eco-friendly
cost-effective
alternatives
chemical
fertilizers.
The Science of The Total Environment,
Год журнала:
2023,
Номер
912, С. 169424 - 169424
Опубликована: Дек. 19, 2023
The
intensive
use
of
agrochemicals
has
led
to
nutrient
loss,
greenhouse
gas
emissions,
and
resource
depletion,
thus
the
development
sustainable
agricultural
solutions
is
required.
Microalgal
biomass
potential
provide
nutrients
such
as
nitrogen,
phosphorus,
potassium,
along
with
various
plant
growth
promoters,
enhance
crop
productivity
impart
disease
resistance.
This
study
provides
a
comprehensive
assessment
applications
microalgal
extracts
in
contexts
seed
germination,
hydroponic
systems,
soil-based
cultivation.
results
revealed
that
from
Chlorella
sp.
Anabaena
have
no
significant
impact
on
germination
wheat
seeds.
High
concentrations
cell
hydroponics
enhanced
length
cucumber
seedling
stems
by
81.7
%
58.3
%,
respectively.
Additionally,
hindered
root
elongation
while
stimulating
lateral
fibrous
roots.
Furthermore,
compared
performance
5
different
fertilizers:
1)
inorganic
fertilizer
(IF),
2)
organic
(OF),
3)
microalgae-based
biofertilizer
(MF),
4)
+
(IM),
5)
(OM).
findings
indicate
soil
physicochemical
properties
groups
supplied
fertilizers
are
comparable
significantly
higher
than
those
control
group.
levels
protein,
chlorophyll
A,
B
MF
group
increased
40
29.2
33.5
respectively,
However,
it
remained
notably
lower
(p
<
0.05).
Combining
microalgae
can
simultaneously
yield
quality
Chinese
cabbage,
representing
promising
source
nutrition.
In
conclusion,
this
suggests
reduce
conventional