Ensuring
food
security
in
precision
agriculture
demands
early
prediction
of
corn
yield
the
USA
at
international,
regional,
and
local
levels.
Accurate
estimation
can
play
a
crucial
role
averting
famine
by
offering
insights
into
availability
during
growing
season.
To
address
this,
we
propose
Concatenate-based
2D-CNN-BILSTM
model
that
integrates
Sentinel-1,
Sentinel-2,
Soil
GRIDS
(global
gridded
soil
information)
data
for
Iowa
State
from
2018
to
2021.
This
approach
utilizes
Sentinel-2
features,
including
spectral
bands
(Blue,
Green,
Red,
Red
Edge
1/2/3,
NIR,
n-NIR,
SWIR
1/2),
vegetation
indices
(NDVI,
LSWI,
DVI,
RVI,
WDRVI,
SAVI,
VARIGREEN,
GNDVI),
alongside
Sentinel
1
features
(VV,
VH,
difference
VV,
RVI),
(Silt,
Clay,
Sand,
CEC,
pH)
as
initial
inputs.
extract
high-level
this
each
month,
dedicated
2D-CNN
was
designed.
concatenates
previous
month
with
low-level
subsequent
serving
input
model.
Additionally,
incorporate
single-time
another
implemented.
Finally,
soil,
were
concatenated
fed
BILSTM
layer
accurate
prediction.
Comparative
analysis
against
random
forest
(RF),
2D-CNN,
models,
using
metrics
like
RMSE,
MAE,
MAPE,
Index
Agreement,
revealed
superiority
our
It
achieved
an
Agreement
84.67%
RMSE
0.698
t/ha.
The
also
performed
well
0.799
t/ha
72.71%.
followed
closely
0.834
69.90%.
In
contrast,
RF
lagged
1.073
69.60%.
Integration
1–2
Soil-GRIDs
significantly
improved
accuracy.
Combining
reduced
16
kg
increased
2.59%.
study
highlighted
potential
advanced
machine
learning
(ML)/deep
(DL)
models
achieving
precise
reliable
predictions,
which
could
support
sustainable
agricultural
practices
food-security
initiatives.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(18), P. 8277 - 8277
Published: Sept. 23, 2024
This
review
explores
the
integration
of
Artificial
Intelligence
(AI)
with
Sentinel-2
satellite
data
in
context
precision
agriculture,
specifically
for
crop
yield
estimation.
The
rapid
advancements
remote
sensing
technology,
particularly
through
Sentinel-2’s
high-resolution
multispectral
imagery,
have
transformed
agricultural
monitoring
by
providing
critical
on
plant
health,
soil
moisture,
and
growth
patterns.
By
leveraging
Vegetation
Indices
(VIs)
derived
from
these
images,
AI
algorithms,
including
Machine
Learning
(ML)
Deep
(DL)
models,
can
now
predict
yields
high
accuracy.
paper
reviews
studies
past
five
years
that
utilize
techniques
to
estimate
crops
like
wheat,
maize,
rice,
others.
Various
approaches
are
discussed,
Random
Forests,
Support
Vector
Machines
(SVM),
Convolutional
Neural
Networks
(CNNs),
ensemble
methods,
all
contributing
refined
forecasts.
identifies
a
notable
gap
standardization
methodologies,
researchers
using
different
VIs
similar
crops,
leading
varied
results.
As
such,
this
study
emphasizes
need
comprehensive
comparisons
more
consistent
methodologies
future
research.
work
underscores
significant
role
advancing
offering
valuable
insights
aim
enhance
sustainability
efficiency
management
advanced
predictive
models.
Sensors,
Journal Year:
2024,
Volume and Issue:
24(3), P. 770 - 770
Published: Jan. 24, 2024
Remote
sensing
data
represent
one
of
the
most
important
sources
for
automized
yield
prediction.
High
temporal
and
spatial
resolution,
historical
record
availability,
reliability,
low
cost
are
key
factors
in
predicting
yields
around
world.
Yield
prediction
as
a
machine
learning
task
is
challenging,
reliable
ground
truth
difficult
to
obtain,
especially
since
new
points
can
only
be
acquired
once
year
during
harvest.
Factors
that
influence
annual
plentiful,
acquisition
expensive,
crop-related
often
need
captured
by
experts
or
specialized
sensors.
A
solution
both
problems
provided
deep
transfer
based
on
remote
data.
Satellite
images
free
charge,
allows
recognition
yield-related
patterns
within
countries
where
plentiful
transfers
knowledge
other
domains,
thus
limiting
number
observations
needed.
Within
this
study,
we
examine
use
prediction,
preprocessing
towards
histograms
unique.
We
present
framework
demonstrate
its
successful
application
gained
from
US
soybean
Argentina.
perform
alignment
two
domains
improve
applying
several
techniques,
such
L2-SP,
BSS,
layer
freezing,
overcome
catastrophic
forgetting
negative
problems.
Lastly,
exploit
spatio-temporal
Gaussian
process.
able
performance
Argentina
total
19%
terms
RMSE
39%
R2
compared
predictions
without
processes.
This
proof
concept
advanced
techniques
form
enable
emerging
developing
countries,
usually
limited.
Remote Sensing,
Journal Year:
2024,
Volume and Issue:
16(6), P. 1003 - 1003
Published: March 12, 2024
Yield
calculation
is
an
important
link
in
modern
precision
agriculture
that
effective
means
to
improve
breeding
efficiency
and
adjust
planting
marketing
plans.
With
the
continuous
progress
of
artificial
intelligence
sensing
technology,
yield-calculation
schemes
based
on
image-processing
technology
have
many
advantages
such
as
high
accuracy,
low
cost,
non-destructive
calculation,
they
been
favored
by
a
large
number
researchers.
This
article
reviews
research
crop-yield
remote
images
visible
light
images,
describes
technical
characteristics
applicable
objects
different
schemes,
focuses
detailed
explanations
data
acquisition,
independent
variable
screening,
algorithm
selection,
optimization.
Common
issues
are
also
discussed
summarized.
Finally,
solutions
proposed
for
main
problems
arisen
so
far,
future
directions
predicted,
with
aim
achieving
more
wider
popularization
image
technology.
Smart Agricultural Technology,
Journal Year:
2024,
Volume and Issue:
8, P. 100513 - 100513
Published: July 23, 2024
Remote
sensing
and
machine
learning
are
widely
used
to
estimate
crop
yield.
The
use
of
these
technologies
for
yield
estimation
bulbous
vegetables
is
challenging
because
the
underground
can't
be
directly
monitored
by
remote
images.
Among
vegetables,
garlic
(Allium
sativum
L.)
one
most
cultivated
in
world.
aim
this
study
was
develop
an
accurate
transferable
model
monitor
using
unmanned
aerial
vehicle
(UAV)
multispectral
Data
were
collected
over
three
growing
seasons
(2021,
2022,
2023)
at
four
different
phenological
phases
(202,
405,
407,
409
BBCH).
random
forest
(RF)
algorithm
comparing
two
training
feature
sets:
vegetation
indices
(VIs)
VIs
with
addition
texture
features
extracted
from
UAV
important
selected
recursive
elimination
algorithm.
Two
methods
compared:
a
direct
bulb
indirect
aboveground
biomass
as
proxy.
To
evaluate
transferability
RF
models,
cross-validation
strategies
nested
leave-one-fold-out
(LOFOCV)
leave-one-year-out
(LOYOCV).
best
performance
achieved
LOFOCV
strategy.
Regarding
models
between
years
(i.e.
LOYOCV),
method
showed
higher
than
method.
Finally,
improved
accuracy
but
general,
their
contribution
poor.
This
demonstrated
that
can
accurately
estimated
sensing,
UAVs
suitable
tool
provide
rapid
reliable
support
monitoring.
Agricultural and Forest Meteorology,
Journal Year:
2024,
Volume and Issue:
353, P. 110055 - 110055
Published: May 18, 2024
Rice
yield
depends
on
factors
including
variety,
weather,
field
management,
nutrient
and
water
availability.
We
analyzed
important
drivers
of
variability
at
the
scale,
developed
forecast
models
for
crops
in
temperate
irrigated
rice
growing
region
Australia.
fused
a
time-series
Sentinel-1
Sentinel-2
satellite
remote
sensing
imagery,
spatial
weather
data
management
information.
phenology
was
predicted
using
previously
reported
models.
Higher
yields
were
associated
with
early
flowering,
higher
chlorophyll
indices
temperatures
around
flowering.
Successive
cropping
same
lower
(p<0.001).
After
running
series
leave-one-year-out
cross
validation
experiments,
final
trained
2018–2022
data,
applied
to
predicting
1580
fields
(43,700
hectares)
from
an
independent
season
challenging
conditions
(2023).
Models
which
aggregated
phenological
periods
provided
more
accurate
predictions
than
that
these
predictors
calendar
periods.
The
accuracy
improved
as
progressed,
reaching
RMSE=1.6
t/ha
Lin's
concordance
correlation
coefficient
(LCCC)
0.67
30
days
after
flowering
level.
Explainability
SHAP
method,
revealing
likely
overall,
individual
fields.
International Journal of Digital Earth,
Journal Year:
2024,
Volume and Issue:
17(1)
Published: May 28, 2024
Accurate
anticipation
of
the
maize
harvest
date
is
important
in
agricultural
market,
as
it
ensures
sustainability
food
production
response
to
increasing
global
demand
for
food.
This
paper
proposes
a
predictive
model
determine
optimal
time
plots
using
Normalised
Difference
Vegetation
Index
(NDVI)
and
climatological
data.
These
variables
were
oversampled
used
train
various
models,
including
Random
Forest
(RF),
Gradient
Boosting
Machine
(GBM),
Light
(LGBM),
Extreme
(XGBoost),
CatBoost
Support
Vector
(SVM).
Bayesian
optimisation
has
been
find
best
hyperparameters
Shapley
values
identify
that
exert
most
significant
influence
on
prediction
each
instance.
As
result
this
approach,
with
an
accuracy
92.1%
Area
Under
Curve
(AUC)
0.935
was
developed.
The
determined
these
results
atmospheric
pressure,
mean
temperature,
precipitation,
NDVI,
precipitation.