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Tractor Talk Discussion Forum

spraying question

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OK PSU Kid

04-12-2006 18:38:03




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In mixing herbicides, there is a conversion factor of 5940. Where does this number come from? I really need to know because if I get this right I get bonus points in a weed science class:) anyways thanks for the answers(or guesses) in advance.




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Burnie

04-14-2006 04:24:37




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 Re: spraying question in reply to OK PSU Kid, 04-12-2006 18:38:03  
The figure 5940 in this formula is what is known as a constant ie it remains the same no matter what the other values are. In the spraying calibration calculation, there are different units of measurement used, such as acres and inches, hours and minutes. For the fomula to work the units have to be the same; such as ft. and square ft, minutes and minutes. 5940 is used to do the necessary conversions in on step. So where do we get the number? I don't know, but I am working on it. Hopfully I'll have an answer for you in a couple of days. Watch this space.

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Burnie

04-17-2006 03:20:27




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 Re: spraying question in reply to Burnie, 04-14-2006 04:24:37  
So here is the answer. To standardised the units in the equation you must convert:

Hours to min. X Acres to sq.in. divided by miles to inches.

There are: 60 min in 1 hour
6,272,640 sq. in. to 1 acre
63360 in. to a mile.

So: 60 X 6272640 / 63360 = 5940
Good luck with your paper.



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Old Pokey

04-12-2006 19:42:24




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 Hope this helps some. in reply to OK PSU Kid, 04-12-2006 18:38:03  
click on the link.



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