Aerial Application notes Questions and
Correct Answers/ Latest Update / Already
Graded
soil erosion
Ans: wearing away and movement of soil by natural forces
NCODM
Ans: National Coalition on Drift Minimization
what contributes drift
Ans: droplet size and % of small droplet
Droplets larger than 200 microns
Ans: have a rapid decrease in potential of drift (1 -9 mph)
Droplets smaller than 200 microns
Ans: very prone to drift
Droplets below 50 microns in diameter
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Ans: remain suspended in the air indefinitely or until they
evaporate
ASABE
Ans: American Society of Agricultural and Biological Engineers
Extra Fine (XF)
Ans: purple
Very Fine (VF)
Ans: red
Fine (F)
Ans: orange
Medium (M)
Ans: Yellow
Coarse (C)
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Ans: Blue
Very Coarse (VC)
Ans: Green
Extra course (XC)
Ans: White
Ultra Course (UC)
Ans: Black
Stretchy spray liquid
Ans: low pressure or thicker spray: Larger droplets
Adjuvant
Ans: helper chemical added to a spray mix to improve how
pesticide works
Dynamic Surface tension
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