Soil Use and Management,
Journal Year:
2024,
Volume and Issue:
40(4)
Published: Oct. 1, 2024
Abstract
A
peculiar
solid
olive
mill
waste
called
Patè
Olive
Cake
(POC),
produced
by
decanters
of
latest
generation,
and
its
derivative
extract
from
centrifugation
‘pellet’
were
evaluated
as
soil
amendments
on
a
pot
cultivation
ryegrass
in
sub‐acid
sub‐alkaline
soils.
Characterization
POC
pellet
was
performed
to
determine
their
main
chemical
characteristics
phytochemical
profile
conventional
methods,
NMR
HPLC
evaluate
suitability
for
agronomic
applications.
In
both
soils,
applied
contrasted
(i)
half
dose
added
mineral
nitrogen
(N)
phosphorous
(P)
correct
the
C:N
ratio
balance
phyto‐nutritive
formula,
(ii)
commercial
organo‐mineral
fertilizers
(iii)
untreated
(Control).
During
annual
cycle,
vegetative
responses
N
concentration
monitored
epigeal
biomass.
At
end
experiment,
samples
taken
pots
physicochemical
carry
out
genomic
enzymatic
investigations.
Both
soils
treated
with
supplemented
P
showed
significant
increase
biomass
productions
compared
Control
(+36.32%)
(+14.34%
+
16.41%,
respectively,
fertilizers).
all
treatments,
higher
cumulative
observed
(+7.02%).
abundance
structure
fungi
bacteria
communities
no
difference
Control.
Furthermore,
analysis
indicated
that
microbial
activity
not
adversely
affected
treatments.
Our
results
indicate
can
be
used
amendments,
contributing
reduce
use
implementing
circular
economy
sustainability.
Water,
Journal Year:
2023,
Volume and Issue:
15(13), P. 2486 - 2486
Published: July 6, 2023
The
production
of
olive
oil
in
Portugal
and
other
countries
the
Mediterranean
region
has
greatly
increased
recent
years.
Intensification
efforts
have
focused
on
growth
planted
area,
but
also
increase
orchards
density
implementation
irrigation
systems.
Concerns
about
possible
negative
impacts
modern
orchard
arisen
last
years,
questioning
trade-offs
between
benefits
environmental
costs.
Therefore,
it
is
great
importance
to
review
research
progress
made
regarding
agronomic
options
that
preserve
ecosystem
services
high-density
irrigated
orchards.
In
this
literature
review,
a
keywords-based
search
academic
databases
was
performed
using,
as
primary
keywords,
orchards,
high
density/intensive/hedgerow
orchards/groves,
strategies,
soil
management.
Aside
from
42
general
databases,
disseminated
research,
concept-framing
publications,
112
specific
studies
were
retrieved.
classified
either
traditional
(TD)
(50–200
trees
ha−1),
medium-density
(MD)
(201–400
(HD)
(401–1500
or
super-high-density
(SHD)
(1501–2500
ha−1).
For
crops,
ETc
ranged
0.65
0.70,
could
fall
low
0.45
summer
without
significant
decrease
productivity.
Several
reported
intermediate
levels
linked
with
adoption
deficit
like
regulated
(RDI)
partial
rootzone
drying
(PRD),
can
be
effective
options.
With
irrigation,
implement
agroecosystems
cover
non-tillage,
recycling
pruning
residues.
These
practices
reduce
erosion
nutrient
leaching
improve
organic
carbon
by
2
3
t
C
ha−1
year−1.
situation,
general,
biodiversity
plants
animals
increases.
We
expect
work
will
provide
reference
for
works
resource
planning
improvement
productive
performance
dense
thereby
contributing
overall
enhancement
sustainability
these
expanding
agroecosystems.
Energies,
Journal Year:
2022,
Volume and Issue:
15(18), P. 6847 - 6847
Published: Sept. 19, 2022
Due
to
global
warming,
technologies
reducing
CO2
emissions
in
the
metallurgical
industry
are
being
sought.
One
possibility
is
use
bio-coke
as
a
substitute
for
classic
coke
made
of
100%
fossil
coal.
Bio-coke
can
be
produced
on
basis
coal
with
addition
substances
biomass
origin.
Blends
production
should
have
appropriate
coke-making
properties
ensure
quality
bio-coke.
The
article
presents
results
research
influence
(up
20%)
bio-components
different
origins
blend
its
properties,
i.e.,
Gieseler
Fluidity,
Arnu—Audibert
Dilatation
and
Roga
Index.
used
were
raw
thermally
processed
waste
(forestry:
beech
alder
woodchips;
sawmill:
pine
sawdust;
food
industry:
hazelnut
shells
olive
kernels)
commercial
charcoal.
Studies
shown
that
both
amount
additive
type
affect
obtained
coking
properties.
There
was
decrease
fluidity,
dilatation
Index
values,
more
favorable
carbonized
additives
higher
apparent
density.
A
regressive
mathematical
model
share
(oxygen
content
density)
percentage
fluidity
also
developed.
Cleaner and Circular Bioeconomy,
Journal Year:
2023,
Volume and Issue:
5, P. 100045 - 100045
Published: May 3, 2023
The
olive
oil
industry
generates
large
quantities
of
waste
pomace
which
has
the
potential
to
be
used
in
a
range
applications,
including
as
source
dietary
fibre
food
ingredients
sector.
This
study
determined
that
hexane
extracted
still
retained
10.6%
soluble
(SDF)
although
total
sugar
content
27%
was
low.
lower
and
upper
yields
from
single
trials
on
freeze
dried
(10
g)
for
IDF
(insoluble
fibre)
SDF
were
41–53%
0.5–2.5%,
respectively.
These
results
tentatively
indicated
pH
homogenization
(high
shear
mixing)
important
factors
affect
yields.
pilot
scale
processing
36
kg
(wet
weight)
frozen
pomace,
equivalent
5.65
(dry
weight),
focused
recovery
yield
using
an
alkaline
treatment
approach
combined
with
wet
milling
(2
h).
There
no
increase
microbial
contamination
during
trial.
While
relatively
high
(5.6%)
obtained,
monosaccharide
low,
this
fraction
did
not
exhibit
gelation
properties
is
one
key
indicators
functionality
A
lower-than-expected
(13.6%)
obtained
trial
compared
initial
laboratory
(41.3–53.0%).
However,
process
enriched
40%
more
than
70%
majority
samples
collected
It
highest
water
holding
capacities
these
6.9
4.1,
respectively,
associated
at
4.5.
revealed
could
recovered
scaled
up,
where
physical
disruption
conditions
caused
apparent
changes
yields,
fractions.
