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Old April 25, 2012   #1
John3
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Default Is there an NPK chart for the Different Kinds of Vegetables?

Is there an NPK chart for different vegetables free pdf - site link - etc
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Old April 25, 2012   #2
fortyonenorth
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John - are you referring to nutrient removal, i.e. how much of each mineral nutrient is used by different crops? Take a look at this: http://www.soil.ncsu.edu/publication...ag-439-16W.pdf

This doesn't necessarily equate to how much NPK to add. That will vary depending on what you already have present in your soil and other factors. Also, plants don't use NPK and other nutrients in a linear manner. Tomatoes, for example, will extract more N early in the growing cycle and more K later when they are setting and maturing fruit.
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Old April 25, 2012   #3
JamesL
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John,
I had hunted high and low for the same thing. Was never able to find it in "quick" chart form. All the really good stuff I have found is aimed at commercial growers and talks more about lbs per acre, and of course, soil testing.
I did find this fairly comprehensive guide at one point.
http://ag.arizona.edu/pubs/garden/mg/index.html
It has a generic listing of crops and nutrient needs here.
http://ag.arizona.edu/pubs/garden/mg...rtilizing.html

This link might be of value as well.
http://pods.dasnr.okstate.edu/docush...LA-6000web.pdf
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Old April 25, 2012   #4
John3
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Quote:
Originally Posted by fortyonenorth View Post
John - are you referring to nutrient removal, i.e. how much of each mineral nutrient is used by different crops? Take a look at this: http://www.soil.ncsu.edu/publication...ag-439-16W.pdf

This doesn't necessarily equate to how much NPK to add. That will vary depending on what you already have present in your soil and other factors. Also, plants don't use NPK and other nutrients in a linear manner. Tomatoes, for example, will extract more N early in the growing cycle and more K later when they are setting and maturing fruit.
fortyonenorth looking for both. First the ballpark of what each group of plants uptake and second the different stages they take it up as you mentioned about tomatoes. Take cucumbers for example what are their uptake cycles. corn uptake cycle etc.
Thanks for the link.
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Old April 25, 2012   #5
John3
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Quote:
Originally Posted by JamesL View Post

This link might be of value as well.
http://pods.dasnr.okstate.edu/docush...LA-6000web.pdf
JamesL thanks for that link. It's a start.
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Old May 1, 2012   #6
Neohippie
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When I got my soil test from Texas A&M I noticed on their website they have recommended fertility levels for different crops, so I can compare my soil test numbers.

http://soiltesting.tamu.edu/webpages...endations.html
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