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growing outdoor and fertilization

revid

New Member
I am a first time grower and growing a few "early girl" strand outdoors and was wondering whats the best type/kind of fertilizer to use. Currently i have been feeding them once a week with 20/20/20. A friend suggested to use different n/p/k mixture but don't know what,for how long and when and if to change after so long? Any help would be great.
 
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