Thread: Fertilizer?
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Old 04-20-2012, 06:35 PM   #4 (permalink)
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Default Re: Fertilizer?

Originally Posted by sjh711 View Post
I use a 6-2-12. They seem to love it! Mine love Potassium.
For fruiting bananas, higher potassium levels (relative to nitrogen) are important -- but not so for ornamental varieties. Water-solubles like the Scotts 24-8-16 or the Grow More 28-8-18 both have "High-Low-Medium" profile of the N-P-K. These numbers are percentages by weight, so 9-3-6 would be ok too -- you just have to use more of it because it is less concentrated.

For fruiting bananas, an NPK profile of "Medium-Low-High" is recommended, with the percentage of K about 1.5 times that of the percentage of N.

If you have fruiting bananas and are using the 6-2-12 formula, I would recommend using no more than 12.5 pounds of it per plant in the ground per year -- divided into 3 to 4 feedings about 2-3 months apart. The stem at the base should be at least 4 inches across before you attempt using this maximum dosage. For newly planted TC's in the ground or in a 5-gallon pot I would start with 1 TBSP per plant every month. For a somewhat juvenile plant in the ground (not a pot) with a base stem at least 2 inches across, an average dosage of 1/4 pound per month per plant would be sufficient.
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