Assertion: percent urea | /r/HasProperty | 40.5 percent
Facets:
Source sentences:
text: In a second experiment, corn silage was fed with (1) no addi- tive, (2) 0.5 percent urea, (3) 0.75 percent urea, (4) 0.5 percent CaCO3, (5) urea plus 0.5 percent CaCO3, and (6) 0.75 percent urea and 0.5 per- cent CaCO3.