Download - Blueberry Farms of the Future
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Blueberry Farms of the
Future
Gerard Krewer
Professor Emeritus
University of Georgia
Woodbine, Ga.
229-392-1388
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Note
This presentation is offered for educational
information. The author assumes no
responsibility for the use of this information.
You are welcome to use these photos, but please
acknowledge their source.
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How will the next generation of
farmers be operating?
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Where do we go from here?
What is available now to improve our
farms?
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Change
There is nothing wrong with change, if it is in the right
direction.
Winston Churchill
You must welcome change as the rule, but not as your
ruler.
Denis Waitley
If you’re in a bad situation, don’t worry it’ll change. If
you’re in a good situation, don’t worry it’ll change.
John A. Simone, Sr
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A view of the future
1.Site Selection
2.Big Brother Watching You (Changing perspectives on land use)
3.Generating Your Own Farm Inputs
4. You as Big Brother (Monitoring and Control)
5. GPS and Remote Sensing Technology for Berries
6. Pest Control
7. Fertilization
8. Other Cultural Changes
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1. Site Selection
Geographical Information Systems (GIS)
Overlapping of soil maps, land cost maps,
temperature, precipitation maps, disease maps,
labor availability maps, etc. to produce
comprehensive information on the best places
to raise certain crops
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Blueberry Soil Selection
or Ability to Modify the Soil is Very Important
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Thermal Satellite Imagery to
Determine Frost Pockets
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2. Big Brother
Watching You
Changing perspectives on land and
water
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Selling Development Rights for Green Space
( a new “crop”)
In 2004 development
rights on 1500 acre N. J.
blueberry farm were sold
for $2.5 million.
This will be come much
more common.
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Water
Water availability will become a major factor in site selection.
Water will be rationed in many areas
More efficient irrigation will be required
High tunnels will be more widely used in area where water is limited
Water will be a “crop” for farmers in some areas
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Pollution Controls
Farms will be viewed by
some people and
agencies as major
environmental problems.
More regulations on
wildlife control,
wetlands, water usage,
sediments, noise, and
nitrogen / phosphorus
run-off.
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Excessive P and N runoff = algae =
low oxygen in lakes
Already an issue in some lakes and rivers in Florida
This is becoming a consideration in site selection, fertilization and nutrient capture in some stream basins.
Closer plant and soil monitoring will be required.
Greater use of fertigation and slow release fertilizers.
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“Closed” systems will be used for the
recycling of water and nutrients
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Scientifically Monitored Irrigation
This will become much
more common and
reliable
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Bird Control-Noise Pollution
Considered a significant
problem in some areas
already
“Quiet” solutions will
become more common
in some areas
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3. Farm Generated Inputs
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Mulch Production
*Some blueberry farms will
begin producing much of
their own organic matter or
buying it from their
neighbors. Pine and
eucalyptus in the lower
south. Marginal land and wet
lands will be used to grow
the trees and grinding on site
will greatly reduce costs.
*Trees can be cut in as little
as 2.5 year in central Florida
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Farm Generation Solar Power and
Wind Power
Farms will become
significant generators of
solar and wind power
where the conditions are
appropriate.
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4. You as Big Brother
(Monitoring and Control Using the
Wireless Web)
Current systems are expense and
proprietary
New systems will be lower cost using
non-propriety web based applications
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How will you manage to spend more
time in the office?
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How to make your farm a wireless
“hotspot”
Two methods
1.DSL line to you home or office to access the web
Use directional antenna or booster to send to the fields
2. Use cell phone towers and a “MiFi” to access the
web
Control
1. Computer
2. Smart phones
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About $100 plus service plan
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Extending the hot spot to your
distant fields
Directional antenna for
long distances
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Turning close fields into hotspots
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Monitoring
“Camera” contains
microphone, speaker and
camera.
Microphone can be useful for
listening to motors run on
freeze protection nights.
Checking fields to see if
workers are on task and
children not present.
“Cameras” are about $100
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PACKING
HOUSE
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GAS PUMPS
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Opening Gates Remotely
Will allow access to the
farm from any place in
the world for workers
and delivery people to
enter the farm.
Use your smart phone
for this.
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Opening Doors to Equipment and
Chemical Storage
Allows workers to access
Equipment, tools and
chemicals
Close them remotely
when finished
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Moisture and Electrical Conductivity Sensors can be
used for Irrigation and Fertilizer Control
Soil moisture levels tells
the irrigation system
when to run
capacitance soil water probe (ECH20,
Decagon Devices, Inc., Pullman, WA
FDR sensors
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Web Based Irrigation Scheduling
Already developed for citrus
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Irrigation Monitoring
Blueberry farm in Chile
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Web based control switches
Can be used to remotely turn
on lights, fans, pumps,
heaters, etc.
Possible uses are to start
cooling of packing facilities
and turn on heaters in pump
houses during freezes, etc.
Activate deer fences
Current cost is about $120
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Bird Control
Monitor with cameras
Use motion detectors to
alert you and your staff
birds are attacking.
Set off cannons, lasers or
charges in field
Drones with falcon
shape or scare devices
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Krewer Farm 1
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5. Global Positioning Satellite (GPS)
Technology
Three Types
Old Basic GPS- operates off of min. of 4
satellites, less than three foot accuracy
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DGPS
Differentally Corrected GPS
WAAS / EGOS is satellite source of additional accuracy
You can locate individual plants
Sub meter accuracy (typically 8-16 inches) on $500 units
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RTK GPS Systems
Portable RTK (Real Time
Kinematic) uses a correction
source which provides sub
inch accuracy
Expensive, about $25,000
Presently there are many
correction sources including
base stations, cellular
corrections, and CORS
networks.
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Combining GPS with Direct and
“Remote Sensing”
Remote Sensing-Ability to measure the properties of an object or area without making physical contact with the object
In most applications of remote sensing, electromagnetic radiation is used to sense a property of an object or area.
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Semi-automated soil sampling using
GPS to create management zones
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Variable Rate Irrigation of
Management Zones
Areas with different soil
water holding capacities
or plant requirements are
GPSed.
Sprinklers or drip lines
zones with lower water
requirements are
programmed to receive
less water during a cycle.
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GPS Guided Variable Rate
Fertilization of Management Zones Soil samples and leaf tissue
results will be used to determine just what the plants need in each area.
Electrical Conductivity meters will also be used on some fields. Real time pH meters should be available in the future.
GPS guided fertilizer applicators will be used to apply the correct amount via dry fertilizer.
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Real Time Remote Sensing for Nutrient
Management
HYDRO sensor
manufactured in Norway by Hydro Agri
can be mounted on the cab of a tractor or sprayer, etc.
real-time sensing and application of N-
Senses chlorophyll-green pigment in plants
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Row Crop Yield Mapping
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GPS applications-Yield monitoring
of management zones
Currently can be done in
blueberries by weighting fruit
from various blocks using
load cells (i.e. on top loading
harvester or palletized hand
picked fruit-blueberries and
blackberries)
Data can use to discover
problem spots in the field
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Human GPS Based Scouting
Data on where to spray for
specific problems will be
collected with the GPS
Plants that need to be
removed will be located early
and slated for removal (i.e.
Xylella, viruses, etc.)
Back back units are about
$1000. Units for ATV with
screen are now $1500 and up
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Scouting by Remote Sensing with
GPS to determine special
management zones
Uses sensors on towers,
tractors or on airplanes
to view field
These can detect
infestations of disease,
insects and other
problems. Also can
detect plants with
drought stress.
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Spectral Reflectance of Plant Leaves
NIR
wavelengths
Visible light
wavelengths
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Water stress can also be detected by
plant temperature Blues and greens represent
lower temperatures than
yellow and orange.
Blue rectangles (plots) in the
image correspond to high
water treatments.
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Airplane-Mounted
Multispectral
Camera
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GPS guided ground sprayers apply
the pesticide to special management
zones
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GPS controlled robot sprayers are
being developed
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GPS guided pesticide application to
special management zones
Satloc guidance system for aircraft
Sprayer with “Air Repair” hydraulic
control variable rate application
system and Satloc GPS guidance
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6. Pest Control
In environmentally
sensitive areas…..
Recycling Sprayers
Capture spray drift and
reuse it on the plants
However, the short term
trend is toward bigger
sprayers and more aerial
applications.
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Intelligent spraying systems-have been around for
years-
using laser and sonar to only spray the plant
Agritech systems uses
lasers
Durand-Wayland and
Roper system uses sonar
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Entomology
Global economy…..means…..global pest
importation
Broader acceptance of irradiation to control
maggots and fly larvae in blueberries and
improve shelf life
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Future Methods of Insect Control
Heat unit accumulation
based spraying for
control of gall midge and
blueberry maggot
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Plant Pathology
Heat units accumulation for timing mummy
berry sprays
Increased use of breeding for Xylella and Stem
Blight resistance
Viruses are becoming a big issue nation wide
Greatly increased use of virus screening systems,
tissue culture and cutting propagation from first
generation tissue culture plants
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7. Fertilization Technology
Multiple tanks will be
used to apply N or P or
K or iron or copper or
boron other elements as
needed
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Regulation of Fertilizer by Fruiting
Stage and Zone
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8. Other Culture Changes
High tunnels
Tunnels will become much more common in areas where water is limited or rainfall is abundant during harvest. Organic production is also more reliable under tunnels.
Tunnels will be used to advance the harvest and bring fruit through windy freezes, hail and rainy periods.
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A Mix of Systems Will be Used on
Many Farms
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Blueberries
Microjets can be used to provide
several degrees F of heat during
freezes
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Blueberries
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Strawberries
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Wood burning heating systems
Waste pallets and low
cost wood will be used to
heat the high tunnels
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Old Cultivars
Croatan and old problematic cultivars of
rabbiteyes will be removed and replanted to
better quality cultivars
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New Cultivars of Southern
Highbush Blueberries
Crispy flesh types have
outstanding quality and
shelf life
Some appear to be
machine harvestable for
the fresh market
Time (days in cold storage + days at room temperature)
0+4 7+4 14+4 21+4
Frui
t rot
inci
denc
e (%
)
0
10
20
30
40
50
60
Sweetcrisp - Hand
Sweetcrisp - Machine
Scintilla - Hand
Scintilla - Machine
Time (days in cold storage)
0 7 14 21
Frui
t firm
ness
(g/m
m)
80
120
160
200
240
280
Sweetcrisp - Hand
Sweetcrisp - Machine
Scintilla - Hand
Scintilla - Machine
A
B
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Farthing
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Sweetcrisp
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Large Fruited Rabbiteyes
Very improved seed to
pulp ratio
Greatly improved quality
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The Future Looks Bright
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Thank you and have a great berry
season!