Healy, B.J.; Brandt, R.T. Jr.; Eck, T.P.
(Kansas State University. Agricultural Experiment Station and Cooperative Extension Service, 1995)
Two hundred crossbred steers (7 85 lb) were
used to evaluate the effects of the relative
proportion of supplemental nitrogen derived
from soybean meal (SBM) and urea. Treatments
included an unsupplemented negative
control ...