Application Equipment for ASR Bobby Grisso Biological Systems Engineering.

Application Equipment for ASR

• Bobby Grisso• Biological Systems Engineering

New Technologies Needed?

DropletClassification

Droplet Size (microns)

Recommended Uses

Fine 119 - 216 Insecticides andFungicides

Medium 217 - 353

Medium 217 - 353 Herbicides andPostemergence

Coarse 354 - 464

Very Coarse > 464 Soil Applicationsof Herbicides

Glyphosate Insecticide Fungicide

Spray Target

Weeds – not soybean plants or leaves per se

All soybean leaves and stems, including bottom surface of leaves

All soybean leaves, especially lower part of plant and bottom surface of leaves

Drift Control

Critical to prevent damage to adjacent crops or plants

Generally important when using pesticides to prevent off-target movement

Generally important when using pesticides to prevent off-target movement

Volume 10 gal/acre 10 to 20 gal/acre 10 to 20 gal/acre

Pressure 20 to 30 psi, depending on nozzle

40 to 50 psi, depending on nozzle

50 psi or higher, depending on nozzle

Nozzle Type

hollow cone or other

Twin flat fan or flat fan

Twin flat fan or flat fan

RestrictSpeed?

Usually not necessary

May be necessary to help insure uniform coverage

May be necessary to help insure uniform coverage

BMP’s for Nozzle SelectionBMP’s for Nozzle Selection

• Application rate = 20 GPA

• Use MEDIUM droplets

• Use a twin nozzle package

• Purchase your nozzles NOW!

• Prepare your sprayer and calibrate NOW!

20222426283032

3436384042

Yie

ld (

bu

/acr

e)

Control Hollow Cone

Twin Flat Fan

Flat Fan

20222426283032

3436384042

Yie

ld (

bu

/acr

e)

Control Hollow Cone

Twin Flat Fan

Flat Fan

20 40 80

Turbodrop XL @ 20, 40, 80 psi XR Flat-fan @ 20, 40, 80 psi

20 40 80

BMP’s for Nozzle SelectionBMP’s for Nozzle Selection

• Application rate = 20 GPA

• Use MEDIUM droplets

• Use a twin nozzle package

• Purchase your nozzles NOW!

• Prepare your sprayer and calibrate NOW!

Nozzle Selection Chart: Flat-fan

Soybean Rust – medium droplet

Nozzle Selection Chart: Flat-fan

TT11002 73 TT11003 73 TT11004 73 XR11006 50XR8003 32 XR8004 41 XR8005 46 11006 50

8003 32 XR11004 41 XR11005 46XR11004 18 8004 41 8005 46

11004 41 11005 46DG11004 41 XR11006 32XR11005 26 11006 32

10

Nozzle Spacing =20" and 20 GPA

Speed (mph)

Pressure (psi) to achieve a MEDIUM Droplet

4 6 8

Single Nozzle

TT11003 73 XR8005 59XR8004 41 8005 59

XR11004 41 DG8005 598004 41 DG11005 59

11004 41 XR11006 41DG11004 41 11006 41XR11005 26

Nozzle Spacing =30" and 20 GPAPressure (psi) to achieve a MEDIUM Droplet

Speed (mph)4 6

Single Nozzle

Twin Nozzles

XR8002 18 DG8002 41 TT11002 73 DG8003 50 TT11003 73XR11002 18 DG11002 41 XR8003 32 DG11003 50 XR8004 41

TT11002 41 8003 32 TT11003 50 XR11004 41XR8003 18 XR11004 18 XR8004 28 8004 41

XR11003 18 XR11004 28 11004 41XR11005 18 DG11004 41

XR11005 26

Speed (mph)

Pressure (psi) to achieve a MEDIUM Droplet2-Nozzles & Spaced =20" and 20 GPA

124 6 8 10

XR8004 56 TT11004 73 XR8005 59 XR11006 508004 56 XR8005 46 8005 59 11006 50

DG8004 56 XR11005 46 DG8005 59DG11004 56 8005 46 DG11005 59XR11005 36 11005 46 XR11006 41

8005 36 XR11006 32 11006 4111005 36 11006 32

20Speed (mph)

14 16 18

Twin Nozzles

DG8002 41 XR8003 41 TT11003 73 XR8005 41 XR8005 59 XR11006 56DG11002 41 8003 41 XR8004 41 XR11005 41 8005 59 11006 56TT11002 41 DG8003 41 XR11004 41 8005 41 DG8005 59XR8003 18 DG11003 41 8004 41 11005 41 DG11005 59

XR11003 18 XR11004 23 11004 41 XR11006 28 XR11006 41DG11004 41 11006 41XR11005 26

12 14Speed (mph)

4 6 8 10

Pressure (psi) to achieve a MEDIUM Droplet2-Nozzles & Spaced =30" and 20 GPA

Nozzle Spacing

Spray

Height

12”

110° 110° 110°

Nozzle Spacing

Spray

Height

12”

110° 110° 110°

Air-assisted sprayersAir-assisted sprayers

Air-assisted sprayers

Spray Coupe with ESP

Electrostatic Spraying

Application Decisions?

BMP’s for Nozzle SelectionBMP’s for Nozzle Selection

• Application rate = 20 GPA

• Use MEDIUM droplets

• Use a twin nozzle package

• Purchase your nozzles NOW!

• Prepare your sprayer and calibrate NOW!