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EC Nebraska | We've gone to streaming a mix of 32-0-0 and 10-34-0 in the spring on our eroded clay hillsides. CEC in the 20's. The phos is clearly available to the corn that year. Polyphos doesn't bind with the soil. It will move with water until it converts to orthophos in a week or two. | |
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Does the P in 19-17-0 move down if placed too shallow