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soil test sample-jdplowboy
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JDPlowboy
Posted 1/24/2018 05:49 (#6527237 - in reply to #6526990)
Subject: RE: soil test sample-jdplowboy


sw MN
garvo - 1/23/2018 21:58

JDPlowboy - 1/23/2018 20:47

400 ppm avg is good goal.

Zinc could be a yield limiting on this field.



my agronomist said anything over 160-why the higher rates
.

Did he test the micros?
Why do you think you high test fields yield more?

The k uptake of 250 bpa corn is 238# or 169 ppm.
The plants are not going to find every #
Peak up take is 15#/ day.

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