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Hi

We do know the basics what each element provide, or at least we can speculate. In a simple way;

N foliage
P roots
K health
Ca structure
Mg structure
C structure
TE complex enzyme process

Step 1 (0-3 months), Step 2 (3 months to a year) and Step 3 (1+ year)

0-3 months
We can expect increased demand for P and K, lower demand for N

3 months to a year
Need for regularly balanced fertilization

1+ year
My speculation is that this Step is due to the chemical characteristic change of the relatively unstable substrate used with this line.

Lights (for light loving plants) and Shade (for shade loving plants)

Lights (for light loving plants)
Demand for higher N and TE, lower demand for P

Shade (for shade loving plants)
Demand for higher Mg, lower demand for N and TE

The PPS fertilization was designed to follow these plant stages and at a variety of lighting conditions. Solutions containing NPK, NP and PK. By a simple combination of NPK+NP or by NPK+PK one can adjust to any plant demand.

Edward
 

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Premium Member
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2,035 Posts
The substrate is actively involved in the chemical process and it does change with time as many have experienced. The fertilization must reflect this change to continue the proper balance.

Edward
 
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