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Joined: Thu Jul 12, 2012 10:51 pm
Location: Calif


Has anyone tried to fill the Miracle-Gro spray applicator with sulfate of ammonia? Seems to me that it would liquefy the granules just like the Miracle-Gro crystals. I wonder what the application rate would be like. Would just a light sprinkle do or go heavier? Would it be too strong and burn?
It would be like spreading liquid nitrogen, right?

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Posts: 7646
Joined: Tue Jun 24, 2008 1:04 am
Location: Oregon

I have a couple of different brands of hose-end fertilizer applicators. I've never tried to put anything in them except the product they were made for, because there is no way to accurately determine the rate of application. Not everything dissolves at the same rate. Unfortunately, none of the hose-end applicators has markings to help determine a general application rate.

Perhaps it can be done, though, and I just don't understand it correctly. I've overapplied fertilizer to my lawn twice, and made it turn brown. I don't want all my shrubs, flowers and veggie plants to have the same fate. I know the grass will green up as it grows out, but I think annual plants might just die from a really heavy overapplication of fertilizer. IMO, it's better to put the fertilizer on the soil, or dissolved in water in a bucket/watering can, at the rate recommended by the brand.

It will have to be someone more adventurous than I to run the "test". :lol:

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