Nature-based
faecal
sludge
treatment
involves
solid-liquid
separation
followed
by
dewatering.
These
are
energy-efficient,
cost-effective,
and
support
resource
recovery,
though
their
efficacy
varies.
Inadequate
knowledge
of
characteristics
from
different
technologies
limits
agricultural
use.
This
study
evaluates
treated
unplanted
drying
beds,
planted
co-composted
sludge,
focusing
on
characterization
soil
application
potential.
Non-parametric
statistical
analysis
compared
critical
parameters.
No
significant
differences
were
found
in
pH,
bulk
density,
phosphorous,
C:N
ratio,
secondary
macronutrients.
However,
co-compost
had
higher
conductivity
(4.9
dS/m)
potassium
(1.09%)
lower
total
nitrogen
(2.15%)
due
to
additional
feedstock
mineralization.
PDB
organic
carbon
(41%)
as
it's
partially
digested.
Co-compost's
balanced
nutrient
profile
enhances
fertility.
Heavy
metal
concentrations
for
all
treatments
fall
within
quality
guideline
limits.
findings
confirm
the
potential
a
sustainable
amendment
highlight
need
standardized
guidelines.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(13), P. 10487 - 10487
Published: July 3, 2023
Interest
in
sustainability
has
increased
significantly
the
wine
sector
past
few
years,
driven
by
customer
interest,
as
well
impact
of
global
warming-intensified
weather
extremes
on
growers.
For
a
sustainable
future
industry
must
design
its
entire
value
chain
such
ways
that
it
conserves
and
regenerates
natural
environment
at
same
time
promotes
human
rights,
inclusion
equality.
The
current
paper
identified
five
key
challenges
which
have
to
be
overcome
order
reach
this
goal:
(1)
climate
change
adaptation
strategies,
(2)
reduction
GHG
emissions
creation
carbon
sinks,
(3)
vineyard
inputs,
(4)
packaging
(5)
social
economic
sustainability.
each
these
research
gaps
possible
solutions
are
presented
enable
holistic
improvement
whole
from
consumers.
Examples
for
strategies
reduce
use
pesticides
insetting
options
vineyard.
Additionally,
is
utmost
importance
every
educational
institution
integrates
facts
vision
into
their
teaching
programs
manner.
Together,
approaches
form
basis
realistic
industry.
Biochar,
Journal Year:
2024,
Volume and Issue:
6(1)
Published: Oct. 10, 2024
Abstract
Biochar
is
widely
recognized
as
an
amendment
that
enhances
soil
properties
and
sequesters
carbon,
particularly
in
degraded
soils.
However,
biochar
applied
solely
to
may
also
hinder
plant
development
due
toxic
by-products
generated
during
pyrolysis
or
nutrient
retention.
To
mitigate
these
adverse
effects,
it
has
been
suggested
either
mix
with
compost
process
by
composting
fresh
organic
materials.
date,
there
a
lack
of
comparative
studies
evaluating
the
performance
two
approaches.
In
this
study,
three
types
biochar,
differing
their
initial
feedstocks
(beech
wood,
hornbeam/beech/oak
mixture,
digestate/cereal
straw
mixture),
were
investigated.
These
biochars
solely,
mixed
green
waste
compost,
processed
composted
soils
different
fertility
(a
Luvisol
gleyic
Fluvisol).
A
pot
experiment
was
conducted
under
controlled
conditions
where
lettuce
grown
for
months.
After
harvesting,
biomass,
microbial
physicochemical
measured.
Composted
additives
maintained
neutral
pH,
contrary
compost.
The
dissolved
carbon
total
nitrogen
higher
treatments,
leading
proportion
humified
material
high
degree
condensed
aromatic
groups
compared
other
treatments.
Microbial
activities
treatments
those
more
specifically
less
fertile
Luvisol.
Finally,
increased
growth
almost
six
times
control
without
amendments,
whereas
only
times.
Solely
did
not
affect
growth.
This
study
demonstrates
beneficial
than
mixing
terms
improving
mitigating
negative
effects
associated
pure
application.
Graphical
Environmental Research Letters,
Journal Year:
2024,
Volume and Issue:
19(1), P. 014081 - 014081
Published: Jan. 1, 2024
Abstract
Dairy
manure
is
one
of
the
largest
sources
methane
(CH
4
)
emissions
and
air
pollution
from
agriculture.
In
a
previous
study,
we
showed
that
composting
dairy
with
biochar
substantially
reduces
CH
could
help
industry
meet
climate
goals.
However,
it
remained
unclear
whether
also
mitigate
emission
pollutants
odor
during
composting.
Here,
conducted
full-scale
study
at
farm
monitored
greenhouse
gases
(CO
2
,
N
O)
(H
S,
VOCs,
NO
x
NH
3
compost
piles
amended
or
without
biochar.
We
found
amending
significantly
reduced
total
by
58%
(±22%)
cut
H
67%
(±24%),
61%
(±19%)
70%
(±22%),
respectively.
attribute
this
reduction
in
to
improved
oxygen
diffusion
porous
adsorption
gas
precursors
surface.
Interestingly,
fluxes
were
much
higher
than
few
values
reported
literature,
suggesting
be
significant
source
emissions.
estimate
biochar-composting
would
reduce
social
cost
over
$66
000
annually.
Results
suggest
biochar,
addition
reducing
emissions,
may
improve
quality
health
wellbeing
rural
communities,
but
further
studies
are
needed
test
quantitative
impacts.
Materials,
Journal Year:
2024,
Volume and Issue:
17(3), P. 563 - 563
Published: Jan. 25, 2024
Composting
is
a
process
that
emits
environmentally
harmful
gases:
CO2,
CO,
H2S,
and
NH3,
negatively
affecting
the
quality
of
mature
compost.
The
addition
biochar
to
compost
can
significantly
reduce
emissions.
For
effective
CO2
removal,
high
doses
(up
20%)
are
often
recommended.
Nevertheless,
as
production
efficiency
low-up
90%
mass
loss-there
need
for
research
into
effectiveness
lower
doses.
In
this
study,
laboratory
experiments
were
conducted
observe
gaseous
emissions
during
first
10
days
composting
with
biochars
obtained
from
composts.
Biochars
produced
at
550,
600,
650
°C,
tested
different
0,
3,
6,
9,
12,
15%
per
dry
matter
(d.m.)
in
mixtures,
three
incubation
temperatures
(50,
60,
70
°C).
NH3
measured
daily.
results
showed
effectively
mitigate
intensive
phase
composting.
Even
3-6%
d.m.
up
50%
total
gas
(the
best
treatment
was
B650
60
°C)
increase
content
macronutrients.
This
study
confirmed
even
low
have
potential
enhancing
improving
material
quality.
Discover Soil.,
Journal Year:
2025,
Volume and Issue:
2(1)
Published: March 3, 2025
Abstract
Biochar,
a
carbon-rich
material
produced
through
the
pyrolysis
of
organic
biomass,
has
gained
increasing
attention
as
sustainable
soil
amendment
due
to
its
potential
enhance
health,
improve
agricultural
productivity,
and
mitigate
climate
change.
This
review
explores
multifaceted
benefits
biochar,
including
ability
sequester
carbon
for
long
periods,
thereby
reducing
atmospheric
greenhouse
gases.
Biochar’s
unique
properties,
such
porous
structure,
high
cation
exchange
capacity,
nutrient
retention
capabilities,
significantly
fertility,
water-holding
microbial
activity.
These
improvements
increase
crop
resilience
against
drought,
erosion,
loss,
supporting
climate-resilient
systems.
Additionally,
biochar’s
application
can
lower
nitrous
oxide
methane
emissions
from
soils,
further
contributing
change
mitigation.
However,
effectiveness
biochar
is
influenced
by
factors
feedstock
type,
conditions,
rates.
Understanding
these
variables
crucial
optimizing
biochar's
use
in
different
types
environmental
conditions.
Graphical
Frontiers in Sustainable Food Systems,
Journal Year:
2025,
Volume and Issue:
9
Published: April 23, 2025
Urban
agriculture
is
crucial
for
enhancing
food
security
in
densely
populated
areas,
but
maintaining
soil
health
these
settings
key
long-term
productivity.
This
study
investigates
the
effects
of
locally
produced
compost
and
biochar
amendments
on
plant
nutrients
at
two
urban
farms
Sacramento,
California,
USA.
Regionally
sourced
was
from
pistachio
shells,
made
on-site
green
waste,
creating
a
closed-loop
system
that
recycles
organic
materials
back
into
soils.
We
hypothesized
combined
application
would
increase
water
holding
capacity
nutrient
retention,
leading
to
enhanced
microbial
activity
higher
concentrations
corn
compared
individual
amendments.
Field
trials
were
established
both
sites
using
randomized
complete
block
design
with
four
treatments:
control,
applied
approximately
25
t
ha
−1
(equivalent
10
Mg
C
),
12.5
compost-biochar
mix
(20
).
Soil
samples
collected
during
mid-
late-season,
analyzed
physicochemical
properties.
Corn
kernel
also
measured.
Over
one
growing
season,
results
showed
treatments
significantly
increased
capacity,
matter
content,
cation
exchange
better
structure
retention.
nitrate
(NO
3
−
–N)
bioavailable
phosphorus
(P)
biochar-amended
The
metabolic
community
evenness,
though
overall
diversity
remained
stable.
kernels
exhibited
concentrations,
particularly
P,
Mg,
Ca,
Fe.
Overall,
combination
treatment
had
most
significant
impact
improving
properties,
responses,
demonstrating
their
cumulative
benefits
crop
nutrition.
By
utilizing
recycling
this
demonstrates
resource-efficient
approach
fertility
resource-limited
farms.
These
practices
have
potential
play
vital
role
addressing
challenges
communities,
those
experiencing
insecurity,
while
promoting
sustainable
resource
management.