Agriculture Ecosystems & Environment,
Journal Year:
2024,
Volume and Issue:
367, P. 108961 - 108961
Published: March 28, 2024
Cocoa
production
is
a
leading
driver
of
deforestation
in
the
humid-tropics
West
Africa.
Reconciling
climate
change
mitigation
with
livelihoods
farmers
requires
identification
strategies
to
concurrently
improve
yield
and
profit
while
curtailing
emissions
greenhouse
gases
(GHG).
Using
2021
plot-survey
conducted
Ghana's
Eastern
region,
we
evaluated
yields,
GHG
emissions,
value
(VOP)
(a
indicator)
across
typology
representing
diversity
systems
at
plot-level.
The
was
constructed
by
first
stratifying
plots
according
shade
levels
variety
(hybrid
vs.
Amazonia)
which
resulted
three
systems:
Hybrid
sun,
hybrid
under
full-sun
(little
no
shade);
shade,
moderate
(13–25
trees
ha−1);
Amazonia,
Amazonia
predominantly
shade.
Next,
factor
analysis
clustering
were
used
group
within
each
system
cocoa
yield,
vegetation,
management,
(local)
conditions.
Cluster
showed
that
fertiliser,
weeding,
pruning,
hand
pollination,
tree
density,
densities
differing
heights
most
influential
for
determination
systems.
had
highest
net
removal
rate
−6.8
±
1.7
(±
95%
CI)
Mg
CO2eq
ha−1
yr−1:
48%
127%
higher
(emissions
more
negative)
respectively
over
sun.
additionally
average
least
variable
VOP
among
669
564
USD
yr−1,
compared
sun
404
442
213
280
yr−1
respectively.
These
results
point
grown
13–25
as
optimal
reconciling
development
African
cocoa.
Agriculture Ecosystems & Environment,
Journal Year:
2024,
Volume and Issue:
372, P. 109090 - 109090
Published: June 5, 2024
The
inclusion
of
shade
trees
into
cocoa
(Theobroma
cacao
L.)
systems
can
generate
livelihood
opportunities
for
smallholder
farmers.
Yet,
there
is
the
need
to
examine
ecological
context
within
which
trees,
and
their
functional
traits,
have
a
positive
impact
on
ecosystem
services
in
systems.
Here,
we
used
network
farms
similar
aged
hybrid
cocoa,
nested
design
consisting
agroforestry
or
monoculture
management,
three
initial
soil
quality
levels
(poor,
moderate
good)
two
agroecological
zones
(humid
sub-humid)
investigate
whether
tree
traits
are
linked
with
soil-based
cocoa-based
services.
Initial
level
was
main
driver
differences
organic
matter,
N,
C:N,
total
C,
permanganate-oxidizable
while
zone
largely
explained
yield
aboveground
C.
increased
macrofauna
abundance
mass
but
decreased
C
compared
plots.
Importantly,
systems,
leaf
expressed
as
community
weighted
means
SLA,
dry
matter
content
These
results
show
that
potential
enhance
without
notably
decreasing
yield.
And
trait-based
approach
describe
diversity
advance
our
understanding
management
tree-ecosystem
service
relationships
IOP Conference Series Earth and Environmental Science,
Journal Year:
2025,
Volume and Issue:
1466(1), P. 012002 - 012002
Published: March 1, 2025
Abstract
The
conversion
of
natural
forests
for
unsustainable
agricultural
land
use
continues,
increasing
the
area
degraded
land.
Degraded
lands
can
be
reused
agriculture
after
reclaiming
them
using
an
agroforestry
system
(AF).
Variation
in
plant
species
planted
determines
variation
canopy
cover
and
litter
layer
properties;
is
a
source
energy
organisms
while
maintains
soil
moisture
supports
activity
microorganisms.
This
study
evaluated
Microbial
Biomass
Carbon
(MBC)
content
from
various
systems
(LUS)
with
different
levels
cover,
as
indicator
(top)soil
health.
was
conducted
two
places
volcanic
soils:
five
Junggo
village
on
slopes
Mount
Arjuno
(Malang
Regency,
East
Java)
2023,
eight
villages
(Air
Dingin
Sirukam)
around
Talang
(Solok
West
Sumatra)
2024.
Soil
sampling
at
both
sites
carried
out
plots
measuring
20
×
m
2
Tropical
Biology
Fertility
(TSBF)
protocol
laboratory
analysis.
On
Arjuno,
monolith
samples
were
5
points
3
depths
(0-10
cm,
10-20
cm
20-30
cm)
per
plot.
MBC
second
third
average
52%
40%
that
first
layer.
Around
only
0-10
sampled,
12
plot
(CSM-BGBD
protocol).
Measurements
each
LUS
three
replications
(different
plots).
remnant
forest
Solok
82%
higher
(477
mg
kg
−1
)
than
mature
(AFMT).
AFMT
had
262-270
,
double
to
four
times
value
non-agroforestry
annual
cropping
(68-150
),
33%
Imperata
grasslands
Solok.
Agroforestry
reclamation
may
lead
initial
drop
MBC,
followed
by
recovery
level
grasslands.
data
align
its
associated
input
determinant
Forests,
Journal Year:
2022,
Volume and Issue:
13(11), P. 1913 - 1913
Published: Nov. 14, 2022
Soil
organic
matter
(SOM)
is
a
crucial
component
of
soil,
through
which
physical,
chemical,
and
biological
characteristics
interact
in
local
context.
Within
the
forest
category,
conversion
natural
forests
to
monoculture
plantations
has
raised
concerns
Indonesia
over
loss
soil
functions,
similar
agriculture.
In
forests,
SOM
can
accumulate
as
part
closed
nutrient
cycle
with
minimal
losses;
plantation
forestry,
decline
recovery
alternate
time,
associated
larger
losses.
We
reviewed
existing
studies
quantify
how
shifts
from
short-rotation
(SRPF)
affect
dynamics,
contents,
soil-borne
pathogens
that
cause
disease.
The
review
combines
descriptive
quantitative
methods
(meta-analysis).
results
show
affects
C
balance,
structure
water
diseases.
Contributing
factors
include
reduced
diversity
plant
rhizosphere
communities,
lower
annual
litter
production,
more
uniform
quality,
removal
at
harvest
cycle.
Conversion
conditions
also
increases
disease
incidence
by
changing
control
mechanisms.
Forests,
Journal Year:
2023,
Volume and Issue:
14(3), P. 453 - 453
Published: Feb. 22, 2023
Severe
soil-water
loss
and
unfertile
soil
frequently
occur
under
karst
desertification
environments.
The
surface-underground
dual
structure
in
these
areas
allows
the
surface
water
to
leak
into
subsurface
through
cracks
sinkholes,
as
well
other
conduits,
causing
a
special
“karst
drought”.
Hence,
water-resource
shortage
has
become
challenge
for
local
agricultural
development.
To
realize
efficient
utilization
of
resources,
an
urgent
need
is
clearly
understand
study
law
farmland
hydrological
cycles
agroforestry
practices,
which
still
understudied.
Here,
we
focused
on
cycle
at
scale
water-saving
measures
three
representing
different
degrees
desertification.
First,
significant
positive
correlation
was
found
between
total
available
precipitations
land
evapotranspiration
(LET).
Second,
agronomic
measures,
content
all
higher
than
that
control
group
while
evaporation
lower.
This
indicates
can
contribute
use
resources
by
halting
increasing
content.
Third,
dwarf
dense
planting
pruning
technologies
were
helpful
inhibiting
crop
transpiration
reducing
vegetation
interception.
Fourth,
agroforestry,
77.45%
precipitation
transformed
storage,
24.81%
evaporation,
20.73%
plant
transpiration,
17.40%
groundwater,
5.18%
However,
their
sum
greater
100%,
suggesting
farmland-scale
open
system.
implication
practices
bring
certain
benefits
constraining
conversion
ineffective
promoting
storage
effective
water,
thus
opening
up
promising
opportunities
efficiently
utilizing
areas.
finding
also
desertification,
conservation,
drought
alleviation.