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Brillion Wisconsin

I'm still in the dark as to what amendments would get my dirt closer to the ideal Alantic Giant Pumpkin growing mixture.

My 2004 fall soil test is as follows:

Organic matter is down from 12.8% in spring to 8.5% this fall. I blame this on shabby sample taking on my part.

Phosphorus (week bray) 128 ppm, up from spring when it was 96 ppm.

Phosphorus (NaHCO3P) 174 ppm, spring sample showed it at 218 ppm.

Potassium 478 ppm, spring 520 ppm

Magnesium 522 ppm, spring 457 ppm

Calcium 2674 ppm, spring 1854 ppm...I knew all that gypsum and agro-cal had to register sooner or later.

Sodium 54 ppm, spring 37 ppm

Soil pH 7.1, spring 7.2

C.E.C. 19.1, spring 14.5

Percent Cation Saturation (computed)

Fall 2004 was:
K = 6.4 %
Mg = 22.5%
Ca = 69.9%
Na = 1.2%

Spring 2004 was:

K = 9.2%
Mg = 25.9%
Ca = 63.8%
Na = 1.1%

This fall I tilled in 30 pounds of bloodmeal along with the shredded leaves into my 1k sqft patch.

Any and all recomendations will be appreciated.

12/7/2004 11:53:20 PM

Jaffrey NH

Your Magnesium is way high just like mine. I asked around and found that the lime I put on has Magnesium. The excess magnesium will hamper the up take of the other nutrients.

Doug

12/8/2004 11:34:34 AM

Menomonie, WI (mail@gr8pumpkin.net)

I read some where for excess magnesium to use gypsum to leach it out. hmm which book was that in? The bad thing about lime application is it can take three years for things to come into effect. So things could get worse before they get better.

12/8/2004 12:27:25 PM