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Is Mono Ammonia Phospate (MAP) good for cannabis?

izzy89started grow question 3y ago

Hi friends I got some fertilizer Mono Ammonia Phospate (MAP) with N 12 and P 61 from work. It is used for agricultural crops like potatoes, wheat, grain, corn etc.. I've read it is good for root development and is also used at blooming stages...does anyone know about this stuff?

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Feeding. Chemical composition

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Organomananswered grow question 3y ago

Waaaaaaaaaaaaaaaay to much phosphorous. Anything with P above 15 is scary! Not something for cannabis, maybe for depleted and raped agricultural fields, but not for sweet Mary Jane.

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izzy89answered grow question 3y ago

Thank you for your replies.

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Ezzjaybruhanswered grow question 3y ago

So that’s like a ratio of 1:5:0 then as far as NPK. A lot of ppl think you need excessive amounts of P in flower. So you’ll see a lot of bloom boosters with a shit load of P. Surely isn’t anything you’d wanna use on its own. Could be a bloom booster as the plant does like P in flower but you’ll also want plenty of K to go with that.. Basically it’s worth having I suppose if you work other nutes in with it for a more comprehensive regimen. Not much P needed in Veg

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