Grunes et al., 1989. J. Anim. Sci., 67 (12): 3485-3494 Document reference Grunes, D. L. ; Welch, R. M., 1989. Plant contents of magnesium, calcium and potassium in relation to ruminant nutrition. J. Anim. Sci., 67 (12): 3485-3494Web http://www.journalofanimalscience.org/content/67/12/3485Citation key Grunes et al., 1989Datasheets Rye forageWheat forage