Environments,
Год журнала:
2024,
Номер
11(11), С. 230 - 230
Опубликована: Окт. 22, 2024
Assessing
the
spatially
explicit
life
cycle
environmental
impacts
of
livestock
production
systems
is
critical
for
understanding
spatial
heterogeneity
releases
and
devising
targeted
remediation
strategies.
This
study
presents
first
assessment
on
global
warming
eutrophication
potentials
confined
dairy
at
a
county
scale
in
contiguous
US.
The
Environmental
Policy
Integrated
Climate
model
was
used
to
estimate
greenhouse
gases
(GHGs),
NH3,
aqueous
nutrient
feed
production.
Greenhouse
gases,
Regulated
Emissions,
Energy
use
Transportation
Commodity
Flow
Survey
were
assess
GHGs
NH3
from
transportation.
Emission-factor-based
approaches
primarily
calculate
enteric
fermentation,
GHGs,
manure
management.
Characterization
factors
reported
by
Intergovernmental
Panel
Change
Tool
Reduction
Assessment
Chemicals
other
Impacts
compute
potentials,
respectively.
analyses
revealed
that
presented
significant
among
US
counties.
For
example,
potential
ranged
462
kg
CO2-eq/head
14,189
CO2-eq/head.
Surprisingly,
sourcing
locally
cannot
effectively
reduce
supply
scenarios
with
lowest
depend
production,
geographic
locations
specific
impact
categories.
In
addition,
installing
buffer
strips
feed-producing
hotspots
can
If
200
counties
highest
EP
corn
adopt
strips,
reduction
could
reach
24.4%.
Practice, progress, and proficiency in sustainability,
Год журнала:
2024,
Номер
unknown, С. 154 - 169
Опубликована: Май 10, 2024
Prioritizing
the
4Rs
of
reduce,
reuse,
recycle,
and
recover
offers
most
effective
waste
management
approach.
Several
ideas
to
utilize
agricultural
wastes
include
biogas
production,
biochar
composting,
supplementary
feed
for
animal
eco-friendly
material
construction.
Biogas
which
is
a
renewable
fuel
produced
by
anaerobic
fermentation
organic
matter.
It
primarily
composed
methane,
key
component
natural
gas,
along
with
carbon
dioxide
trace
amounts
other
gases.
Biochar
process
in
crop
residues
can
be
reborn
through
pyrolysis
or
processes.
This
valuable
soil
amendment
enhances
fertility,
water
retention,
nutrient
holding
capacity.
Composting
has
long
history.
Traditionally,
farmers
pile
leftover
crops
dung
pits,
where
they
decompose
become
resource.
The
by-products
from
used
as
supplement
feed.
Agricultural
also
making
building
materials
such
bricks,
panels,
etc.
