Soil Preparation and Analysis
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Subject: Nitrogen--quick-release or slow-release?
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From
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Message
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Date Posted
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GR8 PMKN |
Salem, OR
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For those of us who don't add hot manures in the fall and need to add, say, 3# of N per 1000 sq. ft., what is the best approach?
1) quick-release nitrogen (what, calcium nitrate and urea, maybe?) that will be available for plant growth but which will all be gone once the pumpkin starts or 2) slow-release (Osmocote, etc.) that will stick around.
Just how much nitrogen does the plant need once the pumpkin sets (and I definitely don't want to keep that pumpkin from setting due to too much N the first week of July!)
Last year I went with plain old 16-16-16 (not slow-release) and calcium nitrate and had a PB by 300 pounds, but I'm wondering if I need to have a bit more nitrogen in my patch in July and August to bring it to the next level. Any thoughts?
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4/24/2007 8:35:22 PM
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CountyKid (PECPG) |
Picton,ON (j.vincent@xplornet.ca)
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My feeling on this is that most of the Nitrogen requirement is in June, when most of the vining is going on. I think you want it pretty well gone, by the end of June. I use Ammonium sulfate and apply mid May. Urea is too slow release. Ammonium Nitrate is a little quicker than Ammonium sulfate. Calcium Nitrate is much quicker and should be applied around June first. 3 lbs of actual N per 1000 ft2 is equivelent to 120 lbs/ acre actual N. In My opinion, this would be fine a low organic matter sand. If you have a high organic matter clay loam. half that much is probably enough. 15 lbs Ammonium Sulfate = 3 lbs actual N
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4/24/2007 9:46:27 PM
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StL Kenny |
Wood River, IL (kennyw_49@yahoo.com)
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Where do you find these products. And can they be bought in small amounts to use in a 1800 sq. ft. patch. Thanks Kenny
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4/27/2007 11:49:21 AM
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christrules |
Midwest
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I found liquid and/or dry nitrogen at my soil lab: www.agrienergy.net in Princeton Illinois. They have several N products.
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4/27/2007 2:16:56 PM
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Total Posts: 4 |
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