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Implement Alley Discussion Forum

Paul/penetration ??

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Tx Jim

03-16-2005 04:04:40




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Paul,I agree that double-disk does better in trashy ground,but how do two straight disc penetrate hard ground better than one concave disc.I heard same thing yrs. ago when I worked for a JD dealer but never got anyone to explain.Thanks,Tx Jim




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paul

03-16-2005 08:49:15




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 Re: Paul/penetration ?? in reply to Tx Jim, 03-16-2005 04:04:40  
Heavy, heavy clay soils around here, & for small grains we tend to work them when wet.

I suppose both get as deep, but the double disk makes a narrow slot that has a better chance of closing again, while the single disk does not seem to cover up the seed as well. Uncovered seed is wasted seed.

--->Paul



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txblu

03-16-2005 06:18:53




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 Re: Paul/penetration ?? in reply to Tx Jim, 03-16-2005 04:04:40  
Like a boat cutting the water vs dragging a board sideways.

The single disc is sitting at an angle and has to push the dirt away to get a place for the seed to fall whereas the 2 disc just cuts a slit like the bow of a boat cuts water with the blades straight fore and aft.

Seems to me to be a lot less strain on the blade(s) and on the running gear. Mother Deere makes both so they must work but mine have been double and in our clay soil, most I've seen have been double.

Mark

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