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Old 05-05-2015, 01:08 PM
 
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Crop Dusting how high in the air should the fertilizer/pesticides go on a windy day. Thanks.
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Old 05-05-2015, 01:43 PM
 
Location: Glasgow Scotland
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Quote:
Originally Posted by Miborn View Post
Crop Dusting how high in the air should the fertilizer/pesticides go on a windy day. Thanks.
bloody awful I thought this was banned.. if not it should be..
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Old 05-05-2015, 03:10 PM
 
Location: North Carolina
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I live in NC. I see them every year about this time. I saw one last week. Flies about 6ft. or so over the crops and then just about straight up, just missing the trees and power lines.
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Old 05-06-2015, 01:37 AM
 
Location: In a state of mind
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That's fun flying. We used to go to this really long runway and see how low we could fly (couple feet) without touching to practice "ground effect" (Wheels down obviously).

Those pics look like fun, until you miss seeing those power wires...

I don't think I'd do it on a windy day regardless of the poison. Crashing sucks.
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Old 05-06-2015, 03:04 AM
 
Location: We_tside PNW (Columbia Gorge) / CO / SA TX / Thailand
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Crop Dusting how high in the air should the fertilizer/pesticides go on a windy day. Thanks.
point is?
Spraying is pretty restrictive, and they hold applicator license, as do many of us farmers. \
Liability for resultant 'drift' damage / contamination (especially waterways) is a risk that costs us dearly in insurance premiums and license exposure. .

not too windy to be spraying; looks less than 3-5 mph (upward drift more than lateral)
Must not be a chemical with potential 'drift' damage. (adjacent farm / corrals / homes)
Farmer is paying per Gal, so not inclined to waste time / spray
Appears to be a pasture at a dairy farm
faster than a hand held pump sprayer
surprised they would use aerial in that application, Boom seems adequate
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Old 05-06-2015, 03:21 AM
 
Location: the Permian Basin
4,196 posts, read 3,191,684 times
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Quote:
Originally Posted by dizzybint View Post
bloody awful I thought this was banned.. if not it should be..
Because ground-based application works so well in rice paddies...
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Old 05-06-2015, 06:53 AM
 
Location: Glasgow Scotland
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Originally Posted by Slowpoke_TX View Post
Because ground-based application works so well in rice paddies...
Ill be honest I dont know a lot about these things but its spraying pesticides is it not..
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Old 05-06-2015, 08:38 AM
 
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Originally Posted by dizzybint View Post
Ill be honest I dont know a lot about these things but its spraying pesticides is it not..
Aerial Crop dusting applicators are certified for the chemicals they use, and follow a fairly strict set of rules re the conditions under which they may spray. Too strong a wind would be one factor, and it doesn't look like there's much ... if any ... wind in this application.

They could be spraying stuff other than pesticides, such as herbicides or fertilizers. Even at that, many chemicals are pretty specific to various applications and of very short duration.

Given the potential liability for damage to property/crops/livestock/people, the aerial applicators I know are very careful to use appropriate materials as safely as possible. It can be the most cost-effective way to apply these materials.
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Old 05-06-2015, 08:47 AM
 
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Quote:
Originally Posted by dizzybint View Post
bloody awful I thought this was banned.. if not it should be..
BS.

As a farmer, I sometimes have to deal with cycles of grasshoppers. An aerial application of a fast-acting short term duration effective pesticide at nominal cost beats the heck out of losing an entire wheat or alfalfa crop. The stuff my aerial applicator uses is organic and not harmful to livestock within an hour after application, nor long lasting to affect the food value of the crop. Because the stuff is so short term lasting, it means we've got to spray several times to be effective ... where the older (now banned) chemical formulations would take care of the 'hoppers in one spray application.
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Old 05-06-2015, 09:04 AM
 
Location: Glasgow Scotland
15,273 posts, read 12,995,651 times
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Quote:
Originally Posted by sunsprit View Post
BS.

As a farmer, I sometimes have to deal with cycles of grasshoppers. An aerial application of a fast-acting short term duration effective pesticide at nominal cost beats the heck out of losing an entire wheat or alfalfa crop. The stuff my aerial applicator uses is organic and not harmful to livestock within an hour after application, nor long lasting to affect the food value of the crop. Because the stuff is so short term lasting, it means we've got to spray several times to be effective ... where the older (now banned) chemical formulations would take care of the 'hoppers in one spray application.
thanks for that explanation sunsprit
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