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Old 05-17-2020, 09:44 AM
Join Date: Oct 2017
Posts: 84
Default How to adjust standard feeding schedule to longer flowering sativa.

Hi there,

I have a newbie question for experienced growers of the forum....

Nutrition seems to be an important factor of success or failure for sativa growing.

From my very limited experience with them I have
noticed 2 things: they don't like high level of nutrient especially N.... But they also need N for longer in the flowering stage to avoid too early yellowing....

Most of the nutrient manufacturers schedule are designed for 9 weekers classic indi dom hybrids, and will work poorly if used on 11 to 15 weeks flowering sativa.

Here the ghe flora serie schedule for hydro as example.

How would you adapt it to let say..... A 12-13 weeker SSH for instance? For the main nutrients part forget additives.

You can guess than my next grow will be mostly sativa (the Stones)... And I still wonder if I go organic or coco with them.... So it may be useless for my next grow but I'm sure it will be valuables inputs.
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Old 05-17-2020, 08:57 PM
Byorn's Avatar
Senior Member
Join Date: Mar 2017
Location: The WaterLand
Posts: 522

im growing with flora Nova so it aint the same. I do give them a lower EC compared to a more indica type. So for instance LaNina gets EC 1,1 and Nordle gets EC1.6 thats is in basics offcourse the plants will tell you more or less.
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Old 05-22-2020, 08:08 PM
Paky One's Avatar
Senior Member
Join Date: Jun 2016
Posts: 209
Default The choice is yours...

In order to keep it simple you could use the classic long proven GH formula:

FG >>> 3
FM >>> 2
FB >>> 1

FG >>> 1
FM >>> 2
FB >>> 3

And adjust the EC accordingly.

Or you may extend the feeding chart you proposed by per exemple doubling up the last three weeks for a 12 weeks variety.

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