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Old 05-25-2013, 09:42 PM   #1
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Default What do you think? Nitrogen or something otgher than NPK?

Like he title says, i can't figure is out. 3rd year plants. All exhibiting the same symptoms. Patchy yellowing leaves that start at the bottom and work their way towards the top. Last year I had some nitrogen burn from too much fertilizer, but quickly flushed it out and they recovered. These are in 24 in square containers from the nursery about 8 ft.³ of dirt all said and done each.

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Old 05-27-2013, 04:05 AM   #2
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So to give some more info - these are all third year plants that have been in 24" square nursery tree pots since 2011. The first year they all did surprisingly well. Got a small harvest from each. Northern Brewer, Magnum, Newport and Mt. Hood. I also have some new first year Cascade and Chinook that seem to be doing great. Last year I burned them with some liquid fertilizer, going against my better judgement to use some good organic stuff. After that I flushed each over the course of a week or so by flowing water through them several times to leach out any salts. I think I may have a nutrient problem now, although I did put a little bit of new composted top soil on each plant in February. Needless to say I want a solution, but am a little reluctant to overdo it again.

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Old 05-27-2013, 06:06 PM   #3
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Is it one rhizome per pot or?

If i had to guess its getting root bound in that pot, at 3 years its root system will be very extensive and 24" pot will be holding it back.

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Old 05-28-2013, 12:13 PM   #4
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Quote:
Originally Posted by FuzzeWuzze View Post
Is it one rhizome per pot or?

If i had to guess its getting root bound in that pot, at 3 years its root system will be very extensive and 24" pot will be holding it back.
Agreed
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