Phosphorus and temperature effects on magnesium, calcium, and potassium in wheat and tall fescue leaves. Reinbott, T.M. and D.G. Blevins. 1997. Tall fescue yield and mineral element content. Blood serum magnesium concentrations on five dates in cows grazing tall fescue fertilized with phosphorus, receiving magnesium mineral supplement while grazing, or grazing unfertilized tall fescue and receiving no magnesium mineral supplement. Cows were placed on treated plots on March 6th, 2001.
Bars represent standard errors.