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Joined: Sep 2003
Posts: 51
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Posts: 51 |
How many pounds of granular fertilizer does it take to egual 1 gallon of liquid fertilizer? For example, I have an 8 acre pond that needs 1 gal per acre of 10-40-0 liquid, but it is far more convenient to use granular. I don't know the conversion ratio. Any help would be greatly appreciated. 
roadtrip 
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Joined: Mar 2005
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Moderator Hall of Fame 2014  Lunker
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Moderator Hall of Fame 2014 Lunker
Joined: Mar 2005
Posts: 22,033 Likes: 483 |
Here is a comparison from http://msucares.com/pubs/publications/p1428.htm#table5 1 gal/acre each application 12 lb 0-46-0/acre each application 6-8 lb/acre each application 40 lb/acre
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Joined: Sep 2003
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Thanks ewest. Very informative website.
roadtrip
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Joined: Apr 2002
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Lunker
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Lunker
Joined: Apr 2002
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Assuming 1 gallon of 10-40-0 liquid fertilizer weighs approximately 11.5 lbs, then it would contain 1.15 lbs of Nitrogen (10%), 4.6 lbs of Phosphorus (40%) and 0 lbs of Potash.
It would take 7.66 lbs of a 12-61-0 water-soluble powdered fertilizer (4.6 lbs divided by 0.61) to provide an equivalent amount of Phosphorus; which would also yield .92 lbs of Nitrogen (7.66 x .12)
Kelly Duffie
Cypress, TX
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