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Old 04-22-2008, 08:05 PM
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mowerbrad mowerbrad is offline
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Potassium

I just got the results of my soil test back today and everything was pretty much where it needed to be except the potassium (k) level. The potassium level was under the proper level. I don't have an applicators licence but this is just for my yard and not for any of my lawn customers. I would like to know if I would be able to get a granular fertilizer with enough potassium to start raising the level. BTW in my county nitrogen is now illegal to put on your lawn unless you have low levels, but I have more than enough. So if anyone has any ideas they would be greatly appreciated. Thanks.
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Old 04-22-2008, 08:46 PM
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mowerbrad

Applications of straight potassium can knock other elements off exchange sites. Potassium is better applied as a complete fertilizer blend. This is one of the reason applying only organic fertilizer that lacks potassium is not good.
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Old 04-22-2008, 09:18 PM
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DA Quality Lawn & YS DA Quality Lawn & YS is offline
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Nitrogen ban in your county? Yikes, guess anything green is not getting any fert is it??
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Old 04-22-2008, 09:19 PM
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potash

Nitrogen--banned? Tell me that is not true. Is phosphorus also banned? You must live in the tree-hugger capitol of Michigan--Ann Arbor area perhaps?

You will have to search long and hard, but maybe you can find a source of coated or slow release potassium. This would be ideal. But most likely it is usually mixed with other elements.

Otherwise you could use potassium 0-0-62 (muriate) or maybe sulfate of potassium. But since both are water soluble you must feed it lightly once per month.
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Old 04-22-2008, 09:43 PM
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There are several garden blends of fertilizer which are low in N and high in K. I have a hard time believing that there is a ban on N in your county, that sounds crazy, what, do you need a state pass to crap on your lawn? Our local ag store has a 8-8-16 that would be good.
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Old 04-23-2008, 02:57 AM
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whoopassonthebluegrass whoopassonthebluegrass is online now
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You're thinking of Phosphorous. I remember hearing about it on NPR...

Since phosphorous just builds up, it can be incredibly toxic... Whereas Nitrogen and Potassium are both consumed and converted by the grass.

So find a blend that has a big fat ZERO for the middle # (which is probably ALL you can find there now) and apply properly.

And NOT with a drop spreader.

Unless you WANT a maze in your lawn.
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Old 04-23-2008, 02:54 PM
bug-guy bug-guy is offline
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down here jdl\lesco sells a 9-0-24 covers 12000 sq ft 6% iron we also carry a variety of 0-0-20,0-0-28,0-0-50,0-0-62 etc.... different sources of K and minor packages see if any near you offers these
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Old 04-23-2008, 08:09 PM
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I was meaning that phosphorus is now banned, sorry about the confusion. So any other ideas of what fertilizers I can use to help raise my potassium level that has no phosphorus???
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Old 04-23-2008, 08:12 PM
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Again, any fert blend that has a mixture of #-#-# where the middle # is "0" and the 3rd number is as high as possible...

Apply properly.
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Old 04-30-2008, 03:37 PM
kmdkds kmdkds is offline
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Fertilizer Catalyst

You can also try one of the fertilizers treated with a catalyst like NutriLife. some of the big lawn care companies are going to change their blends from a typical 30-0-10 down to 22-0-8 for the fall and have the 22-0-8 treated with this fertilizer catalyst NutriLife apparently it helps deliver more nutrients into the plant and make what is in the soil more available to the plant, allowing you to not have to use phosphorous as there is typically plenty in the soil. it also should reduce the cost of the fertilizer
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