Biochar,
Journal Year:
2023,
Volume and Issue:
5(1)
Published: May 29, 2023
Abstract
Root-knot
nematodes
(RKNs)
are
obligate
endoparasites
that
feed
on
their
host
plants
to
complete
its
life
cycle,
representing
a
major
threat
agriculture
and
economy
worldwide.
The
development
of
new
management
strategies
becomes
essential
as
effective
chemical
nematicides
progressively
being
restricted.
Hence,
we
analysed
grape
pomace-derived
biochars,
pyrolysed
at
350
°C
(BC350)
700
(BC700),
focusing
potential
for
RKN
control.
thermal
treatment
pomace
caused
an
increase
in
the
concentration
carbon
plant
macro-
micronutrients,
which
were
largely
present
water-soluble
form.
Synchrotron
radiation-based
Fourier
transform
infrared
microspectroscopy
data
showed
general
loss
carboxylic
functional
groups
during
pyrolysis,
partially
contributing
alkalinisation
both
mostly
BC700.
Scanning
electron
microscopy
coupled
with
energy-dispersive
X-ray
spectroscopy
analysis
revealed
highly
porous
structure
filled
different
crystals
composed
elements
such
K,
Ca,
Mg,
P,
Si
or
Al,
could
be
suitable
environment
growth
microorganisms.
Biochar-derived
aqueous
extracts
phytotoxicity
tomato
seedlings
high
concentrations,
disappeared
upon
dilution,
but
no
toxic
effect
was
observed
nematode’s
infective
stage.
However,
reproductive
traits
Meloidogyne
javanica
population
significantly
reduced
(i.e.
egg
masses
eggs
per
plant)
washed-biochar-treated
soil
pots
(0.75%;
BC350W).
Therefore,
large
amount
waste
generated
after
wine
production
can
transformed
into
valuable
product
biochar,
RKNs
control,
thus
reducing
problem
circular
economy.
Graphical
abstract
Energies,
Journal Year:
2022,
Volume and Issue:
15(2), P. 465 - 465
Published: Jan. 10, 2022
The
production
of
olive
oil
involves
the
sustainable
management
waste
produced
along
entire
chain.
This
review
examines
developments
regarding
cultivation
techniques,
technologies,
and
management,
highlighting
goals
to
be
achieved
most
reasonable
prospects.
results
show
that
technology
have
evolved
an
almost
final
solution
meet
economic
feasibility,
keeping
oil’s
high
quality.
Continuous
horizontal
decanters
will
coexist
with
traditional
mills
in
many
countries
old
consumption
traditions.
High-quality
products
conquered
markets,
especially
wealthiest
countries.
At
same
time,
exploitation
dried
pomace
by
solvent
extraction
is
increasingly
obsolete
practice.
However,
still
looking
for
one
or
a
few
solutions
modern
society’s
constraints.
enhancement
some
experienced
technologies
full-scale
application
emerging
strategies
should
solve
this
problem
short–medium
term.
A
short
discussion
reported
on
possibility
unifying
nature
quality
waste,
whatever
method
is.
Furthermore,
thermochemical
treatment
solid
wet
organic
disposal
examined
discussed.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Jan. 30, 2023
Abstract
Soil
contamination
by
Pb
can
result
from
different
anthropogenic
sources
such
as
lead-based
paints,
gasoline,
pesticides,
coal
burning,
mining,
among
others.
This
work
aimed
to
evaluate
the
potential
of
P-loaded
biochar
(Biochar-based
slow-release
P
fertilizer)
remediate
a
Pb-contaminated
soil.
In
addition,
we
aim
propose
biomonitoring
alternative
after
soil
remediation.
First,
rice
husk-derived
was
obtained
at
temperatures
(450,
500,
550,
and
600
°C)
(raw
biochars).
Then,
part
resulting
material
activated.
Later,
raw
biochars
activated
were
immersed
in
saturated
KH
2
PO
4
solution
produce
biochars.
The
ability
materials
immobilize
increase
bioavailability
evaluated
an
incubation
test.
incorporated
into
doses
0.5,
1.0,
2.0%.
After
45
days,
samples
taken
biomonitor
remediation
process
using
two
bioindicators:
phytotoxicity
test
enzyme
activity.
Activated
produced
500
°C
has
been
found
present
best
conditions
for
significantly
reduced
increased
P.
enzymatic
activity
correlated
with
decrease
bioavailable
but
not
Biomonitoring
is
promising
evaluation
soils
processes.
Biochar,
Journal Year:
2023,
Volume and Issue:
5(1)
Published: May 29, 2023
Abstract
Root-knot
nematodes
(RKNs)
are
obligate
endoparasites
that
feed
on
their
host
plants
to
complete
its
life
cycle,
representing
a
major
threat
agriculture
and
economy
worldwide.
The
development
of
new
management
strategies
becomes
essential
as
effective
chemical
nematicides
progressively
being
restricted.
Hence,
we
analysed
grape
pomace-derived
biochars,
pyrolysed
at
350
°C
(BC350)
700
(BC700),
focusing
potential
for
RKN
control.
thermal
treatment
pomace
caused
an
increase
in
the
concentration
carbon
plant
macro-
micronutrients,
which
were
largely
present
water-soluble
form.
Synchrotron
radiation-based
Fourier
transform
infrared
microspectroscopy
data
showed
general
loss
carboxylic
functional
groups
during
pyrolysis,
partially
contributing
alkalinisation
both
mostly
BC700.
Scanning
electron
microscopy
coupled
with
energy-dispersive
X-ray
spectroscopy
analysis
revealed
highly
porous
structure
filled
different
crystals
composed
elements
such
K,
Ca,
Mg,
P,
Si
or
Al,
could
be
suitable
environment
growth
microorganisms.
Biochar-derived
aqueous
extracts
phytotoxicity
tomato
seedlings
high
concentrations,
disappeared
upon
dilution,
but
no
toxic
effect
was
observed
nematode’s
infective
stage.
However,
reproductive
traits
Meloidogyne
javanica
population
significantly
reduced
(i.e.
egg
masses
eggs
per
plant)
washed-biochar-treated
soil
pots
(0.75%;
BC350W).
Therefore,
large
amount
waste
generated
after
wine
production
can
transformed
into
valuable
product
biochar,
RKNs
control,
thus
reducing
problem
circular
economy.
Graphical
abstract
