Re: [CH] Fertilizers

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Let me try to make it a little clearer.

The guaranteed analysis on a bag of 10-10-10  could read somthing 
like this:

Total Nitrogen(N) 10.00%

2.5% Nitrate nitrogen
2.5% Ammoniacal nitrogen derived from ammonium phosphate
2.5% Water soluble nitrogen derived from urea.
2.5% Coated slow release or water unsouluble Nitrogen derived 
from sulfur coated urea or ureaform

Available Phosphoric Acid (P2O5)....10% derived from ammonium 
phosphate

Soluble Potash (K2O)...10%

The ratio of N-P-K is 1-1-1

Note that 1/4 of the nitrogen and all of the phosphorous is derived 
from the ammonium phosphate in the mixture which means that 
the ammonium phospate ratio must be 1-4-0

In a 50 lb bag you would have 5 lbs of each and if you wanted to 
apply at a 5-5-5 rate, you would just halve the manufacturer's 
spreading instructions.



I wouldn't even attempt to try to mix fertilizer at home.

Dave 
TLCC
htttp://www.tough-love.com


> > Simple, fertilizer is measured by weight. 5-5-5 contains 5 lbs each
> 
> Dave
> TLCC
> http://www.tough-love.com
> 
> >>snip<<
> 
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Not really sure of this statement.
> 
> If would seems to me that it would make a difference if the N was urea
> at an ave. of 45 or Ammonium Nitrate at an ave of 33 or Calcium
> Nitrate at an ave of 15.
> 
> Muriate of  Potash K20 60%
> or
> Granite dust at 3 to 5%.
> 
> Seems like you couldn't use just anything And it would make a big
> difference in what you started with.
> 
> What would the homegardener use for fillers?
> 
> Byron
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 

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