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  #1  
Old 07-11-2014, 07:45 AM
grassmasterswilson grassmasterswilson is online now
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K app and soil temps.

I normally do a late summer k app of 1-1.25k per 1000 sqft of kmag or 5-0-30 on warm season turf.

I'm playing with my program to try and get another app of fertilizer to help with color and growth without adding another round. My hope is to create a premium program and possibly drop mowing.

With pre we use soil temp as a factor. Is there a soil temp where the turf will not take up the k? Wondering if I could push back k app til October(fescue seed time here).
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Old 07-11-2014, 06:16 PM
RAlmaroad RAlmaroad is online now
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My last application is 1lb/K (potassium Nitrate) 30 days before the 1st killing frost. When warm or cool season turf goes dormant the sugars/nitrogen can't be metabolized and not used or stored by/in the plants roots. Greendoctor knows way more than me on that, but apply with enough time and the K will help ward off some winter killback.
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Old 07-11-2014, 11:28 PM
grassmasterswilson grassmasterswilson is online now
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Thanks. I'm trying to see how far back I can push it and still get the uptake.
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Old 07-12-2014, 09:42 AM
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RigglePLC RigglePLC is offline
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Potash can be leached out by heavy rains. I think a small amount of K with each application makes more sense.
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Old 07-12-2014, 07:31 PM
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Shades of Green LService Shades of Green LService is offline
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I'd just get a soil test done to see where the lawn is at and go from there.
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