Soil Preparation and Analysis
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Subject: Soil Test Results
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pumpkinstoo? |
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Any imput on the type and amount of ammendments needed would be appreciated. My patch is 1,800 square feet with clay soil
OM 5.6%
Phosphorus Weak Bray 23ppm
Phosphorus Strong Bray 37ppm
Bicarbonate P 34ppm
Potassium 286ppm
Magnesium 556ppm
Calcium 2453ppm
Sodium 18ppm
pH 7.3
cation exchange capacity 17.7
%base saturation K 4.1 Mg 26.2 Ca 69.3 Na .4
Nitrate 49 ppm
Sulfur 20ppm
Zinc 2.7ppm
Manganese 6ppm
Iron 56ppm
Copper 1.8ppm
Boron 1.2ppm
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1/24/2009 9:03:32 AM
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vancouver |
Vancouver Washington
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Hmmmm....I'm no expert. You have a bit of a challenge. Your sulfur level is already in the ideal range, but you need to add more to lower your ph a bit.
You could also use a little more calcium and potassium, but no more magnesium.
I would add 100 pounds of gypsum, 50 pounds of sea kelp, 4 yards of aged composted manure, and two cups of sprayed on molasses mixed with water, and maybe a single application of sulphate of potash. that should help bring up your calcium, potash, organic matter - and maybe help lower your ph some... You may need to apply some straight sulfur as well ... (i don't know sulfur enough to make a recommendation on this amount) ....this would further lower your ph. i would also recommend a big dose of humic acid or humates of some sort... Get the stuff in right away...It's getting late...
Your numbers are workable right now... but i would push things a bit in those directions.. hope that helps
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1/28/2009 7:30:36 PM
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Total Posts: 2 |
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