Royal Society of Chemistry eBooks,
Год журнала:
2024,
Номер
unknown, С. 84 - 105
Опубликована: Ноя. 29, 2024
The
use
of
different
marine
biomass
materials
as
biofertilisers
has
been
recognised
since
the
beginning
human
civilisation
–
particularly
seaweeds
in
agriculture.
production
(or
components
biofertilizers)
from
seaweed
or
other
alternative
is
currently
high
interest
given
global
desire
to
move
away
unsustainable
synthetic
fertiliser
products.
A
more
circular
approach
that
brings
together
blue-green
economies
also
consistent
with
UN
Sustainable
Development
Goals
promote
“responsible
consumption
and
production”
patterns.
overuse
current
(NPK)
fertilisers
within
intensive
agriculture
now
leading
shortages
depleting
stocks
critical
resources
like
mined
rock
phosphate.
This
chapter
explores
past
present
research,
commercial
application,
future
perspectives
using
micro/macro
algae,
cyanobacteria,
(i.e.,
crustacean
shell
waste
biomass)
help
displace
our
reliance
on
traditional
fertilisers.
Such
may
be
used
raw
form
following
certain
treatment
processes
pyrolysis,
functionalisation,
nutrient
enrichment,
extraction
bioactives)
before
their
application
soil.
Additionally,
unknowns
potential
risks
for
both
environmental
health.
Frontiers in Microbiology,
Год журнала:
2024,
Номер
15
Опубликована: Апрель 2, 2024
The
overuse
of
chemical-based
agricultural
inputs
has
led
to
the
degradation
soil
with
associated
adverse
effects
on
attributes
and
microbial
population.
This
scenario
leads
poor
health
is
reportedly
rise
globally.
Additionally,
chemical
fertilizers
pose
serious
risks
ecosystem
human
health.
In
this
study,
foliar
sprays
biostimulant
(AgroGain/LBS6)
prepared
from
cultivated,
tropical
red
seaweed
Kappaphycus
alvarezii
increased
phenotypic
growth
Zea
mays
in
terms
greater
leaf
area,
total
plant
height,
shoot
fresh
dry
weights.
addition,
LBS6
improved
accumulation
chlorophyll
a
b,
carotenoids,
soluble
sugars,
amino
acids,
flavonoids,
phenolics
treated
plants.
applications
also
bacterial
fungal
count
rhizospheric
soil.
V3-V4
region
16S
rRNA
gene
metagenome
was
analyzed
study
abundance
communities
which
were
rhizosphere
LBS6-treated
Treatments
found
enrich
beneficial
bacteria,
i.e.,
Proteobacteria,
especially
classes
Alphaproteobacteria,
Cyanobacteria,
Firmicutes,
Actinobacteriota,
Verrucomicrobiota,
Chloroflexi,
Acidobacteriota
several
other
phyla
related
promotion.
A
metagenomic
those
samples
LBS6-sprayed
plants
correlated
functional
potential
microbiota.
Enrichment
metabolisms
such
as
nitrogen,
sulfur,
phosphorous,
defense,
acid,
co-factors,
vitamins
observed
soils
grown
These
results
further
confirmed
by
significant
increase
activity
enzymes
urease,
acid
phosphatase,
FDAse,
dehydrogenase,
catalase,
biological
index
fertility
corn
plant.
findings
conclude
that
application
Z.
improves
recruits
microbes
alters
ecology
sustainable
manner.
The
rising
costs
of
synthetic
fertilizers
highlight
the
need
for
eco-friendly
alternatives
to
enhance
essential
oil
production
in
aromatic
plants.
This
study
evaluated
effects
red
algae
seaweed
extract
[Solieria
chordalis
(C.
Agardh)
J.
Agardh]
on
holy
basil
(Ocimum
tenuiflorum
L.)
Western
Himalayas,
by
using
five
concentrations
(0.0,
2.5,
5.0,
7.5,
and
10.0
mL/L)
two
application
methods
(drenching
foliar
spray)
a
factorial
randomized
block
design
analysing
data
at
5%
significance
level.
Seaweed
significantly
improved
growth
yield,
with
highest
content
biomass.
By
examining
various
techniques,
seeks
determine
best
practices
maximizing
production.
Application
S.
7.5
mL/L,
increased
71.4%
biomass
63.4%
compared
control.
also
resulted
50%
higher
than
drenching.
mL/L
enhanced
components
like
eugenol,
methyl
cinnamate
61.5%,
17.6%
and,
48.4%,
respectively,
Based
results
present
study,
is
recommended
optimizing
growth,
composition.
encourages
utilization
bio-stimulants,
enhancing
sustainability,
resilience
agriculture.
Reviews in Aquaculture,
Год журнала:
2025,
Номер
17(2)
Опубликована: Март 1, 2025
ABSTRACT
Seaweeds,
like
all
primary
producers,
require
macronutrients
(C,
N,
P)
for
the
synthesis
of
organic
molecules
through
photosynthesis
to
support
growth
and
accumulation
storage
compounds,
including
cell
wall
polysaccharides,
example,
agar,
carrageenan,
alginates,
that
have
numerous
industrial
applications.
The
commercial
production
tropical
eucheumatoids
has
been
reliant
on
natural
streams
inorganic
nutrients.
Recently,
prevalent
use
fertilizer
in
seaweed
farming
southern
Philippines
was
allegedly
initiated
boost
health
avert
crop
failure
due
pests
diseases;
however,
it
may
also
be
economically
driven
increase
biomass
with
a
shorter
period
is
vital
livelihood
marginalized
coastal
inhabitants.
Consequently,
harvest
fast‐growing
but
immature
crops
whose
tissues
are
replete
nutrients
could
compromise
carrageenan
yield
rheology,
and,
more
importantly,
its
status.
Moreover,
indiscriminate
disposal
algoculture
pose
potential
ecological
disaster.
