Agriculture Spraying Continues to Evolve

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Agriculture Spraying Continues to Evolve
Bruce Whiting Electrostatic Spraying Systems
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Agriculture trends worldwide

• Scarcity of water
• Pressure to use less chemicals
• Pressure to go organic or use chemicals which
  are more biologically friendly or less harsh on
  people and the environment
• Chemicals have a shorter shelf life due to
  increased resistance
• More government regulations continue to effect
  agriculture practices and spraying techniques.

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The fine line in agriculture

• No E.coli in the spinach
• but
• Dont use chemicals

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The effort to control pests and sicknesses in
plants has been ongoing for many years
Danville Ohio, 1939
Primera aspersora de mochila 1891
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Even with the advent of excellent chemicals, the
method of application has always been just as
important.
Aspersora para vid
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And even with new equipment and new methods has
come other problems like chemical drift.
Deriva o arrastre de químicos
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The side effects of contamination and the ever
increasing number of government regulations have
also complicated the agriculture spraying process.
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There is a new option!

• Electrostatic Sprayers

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For many years, men have tried to put an
electrostatic charge on the chemicals that they
spray.
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Automobiles have been painted electrostatically
for many years.
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• 18 years ago, the Univ. of Georgia was successful
  in developing an electrostatic spray nozzle for
  agriculture.

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Aire
Liquid
Electrode

• Benefits
• Air assisted spray
• Small droplets
• Low votage
• High attraction

Negatively charged spray
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Droplets with Negative Charges
Positive
Negative charge
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The electrostatic attraction is much stronger
than the gravitational pull of the earth.
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Comparison
Deposition on the plant
Deposition on the soil
1.65
1.38
Foliar Deposit, ng/cm2
Soil Deposit, ng/2mg
0.31
0.19
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Low Volume Spray
Droplets of 30 microns
300 microns
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Tomatos and Chiles
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Strawberries and Onions
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Cotton
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Papaya
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Lettuce and Jalapeños
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Agave
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Coffee
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Grapes
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Orchards
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New Potato and Soybean Sprayer
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Greenhouse sprayers
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Agriculture trends worldwide

• Scarcity of water
• Pressure to use less chemicals
• Pressure to go organic or use chemicals which
  are more biologically friendly or less harsh on
  people and the environment
• Chemicals have a shorter shelf life due to
  increased resistance
• More government regulations continue to effect
  agriculture practices and spraying techniques.

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Need better coverage?

• Consider Electrostatic Sprayers
• They might be the solution to your problems
• Electrostatics the new generation of sprayers