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High nitro , no P and No K fertilizer

149 Views 1 Reply 2 Participants Last post by  harrylee
Where can i get all nitro fertilizer 21-0-0 up to 30-0-0 for my onions. Home depot has Scott's and Vigaro lawn fiertilzer that is 30-0-3 and 29-0-4 . I'm worried that the small bit of potassium won't be good for the onions as all of the experts want high nitro and no P or K
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Welcome from Ontario. Not sure I can help with the fertilizer. Maybe someone else can. I can't see that amount of potasium doing much harm.
I don't use any fertilizers to speak of, but I have never had much luck with oniobs
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