A
successful
crop
rotation
choice
is
key
to
the
profitability
and
sustainability
of
farm
management
may
simultaneously
have
an
impact
on
soil
organic
carbon
(SOC)
content.
In
this
study,
we
estimated
how
changes
in
rotations
affected
SOC
balance
Finland
between
2009
2018,
using
geospatial
data
Bayesian
modeling.
The
area
designated
for
perennial-dominated
diverse
cereal
increased
over
study
period.
Perennial
grassland
was
found
a
positive
balance,
while
dominated
by
annual
crops
did
not
differ
their
impacts
At
national
scale,
Finnish
resulted
mitigation
loss
content
1336
Mg
C
year−1
mineral
soils
reduced
dioxide
emissions
10,475
year−1.
combined
effect
these
two
contributions
11,811
year−1,
with
80%
probability
interval
(−6600;
30,300)
While
overall
relatively
small,
continued
change
more
other
agronomic
environmental
benefits,
e.g.
resilience
biodiversity.
Frontiers in Sustainable Food Systems,
Год журнала:
2023,
Номер
7
Опубликована: Авг. 24, 2023
The
need
for
an
agroecological
transition
is
regularly
advocated
by
many
actors
and
policymakers
on
the
European
scene,
but
questions
arise
regarding
potential
consequences
that
this
may
have
rest
of
world.
Using
a
world
biomass
balance
model,
in
paper
we
show
deep
EU,
if
accompanied
shift
EU
food
regimes
towards
more
plant-based
diets,
not
detrimental
to
global
security.
Without
increasing
its
cropland
areas,
can
maintain
same
level
exported
calories
as
business-as-usual
scenario
while
reducing
import
needs.
This
result
holds
true
also
alternative
which
other
regions
adopt
production
methods
healthier
diets.
In
contrast,
agricultural
taking
place
without
change
regimes,
would
drastically
increase
dependence
markets
contribute
expansion
land
Agricultural Systems,
Год журнала:
2023,
Номер
209, С. 103671 - 103671
Опубликована: Май 4, 2023
Cropland
soil
organic
carbon
(SOC)
stock
can
be
increased
by
agricultural
management,
but
is
subject
to
various
factors.
The
extent
and
rates
of
SOC
sequestration
potential,
as
well
the
controlling
factors,
under
different
climate
management
practices
across
a
region
or
country
are
important
for
policy-makers
land
managers,
however
have
been
rarely
known.
We
aim
investigate
potential
over
2021–2040
scenarios
change
Sustainable
Soil
Management
(SSM)
practices,
quantify
impacts
SSM
on
croplands
Finland
at
spatial
resolution
1
km.
RothC
model
run
iteratively
equilibrium
calculate
size
pools
annual
plant
inputs.
Then,
it
applied
practices.
Finally,
facorial
simulation
experiments
conducted
alone
in
combination,
potential.
Under
combined
during
relative
2020
will
average
−
0.03,
0.007,
0.05,
0.13
t
C
ha−1
yr−1,
respectively,
with
input
being
business
usual,
5%,
10%,
20%
increase.
This
equivalent
an
rate
−0.04%,
0.009%,
0.07%,
0.17%,
respectively.
Therefore,
increase
not
enough
obtain
4‰
per
year
20-year
period
Finland.
Carbon
promote
potential;
however,
reduce
0.28
yr−1.
Across
cropland
Finland,
average,
contributions
input,
temperature,
precipitation
56%,
24%,
20%,
there
spatially
explicit
pattern.
relatively
high
dominated
west
southwest
By
contrast,
low
north
east
central
part
southern
Our
findings
provide
information
where,
how
much,
which
could
enhancing
resolution,
essential
stakeholders
efficiently.
A
successful
crop
rotation
choice
is
key
to
the
profitability
and
sustainability
of
farm
management
may
simultaneously
have
an
impact
on
soil
organic
carbon
(SOC)
content.
In
this
study,
we
estimated
how
changes
in
rotations
affected
SOC
balance
Finland
between
2009
2018,
using
geospatial
data
Bayesian
modeling.
The
area
designated
for
perennial-dominated
diverse
cereal
increased
over
study
period.
Perennial
grassland
was
found
a
positive
balance,
while
dominated
by
annual
crops
did
not
differ
their
impacts
At
national
scale,
Finnish
resulted
mitigation
loss
content
1336
Mg
C
year−1
mineral
soils
reduced
dioxide
emissions
10,475
year−1.
combined
effect
these
two
contributions
11,811
year−1,
with
80%
probability
interval
(−6600;
30,300)
While
overall
relatively
small,
continued
change
more
other
agronomic
environmental
benefits,
e.g.
resilience
biodiversity.