This note gives advice for eliminating or preventing specific soil fertility problems. Additional magnesium is not needed.
Dolomitic lime is the most economical source of magnesium.
Annual applications of magnesium may be required until subsequent soil tests show adequate levels in the soil. One of the following recommendations for copper appears on your soil test report. Additional copper is not needed. This number is a suggested application rate for copper, expressed in lbs per acre. The copper application rate given should correct the deficiency and be adequate for several years.