共 33 条
[1]
BEESON KC, 1941, 369 USDA MISC PUBL
[4]
Dick A. T., 1956, INORGANIC NITROGEN M, P445
[5]
Drake C., 1960, New Zealand Veterinary Journal, V8, P4, DOI 10.1080/00480169.1960.33363
[6]
DYE WB, 1959, NEVADA AGR EXPT STA, V208, P1
[7]
GALLUP WILLIS D., 1939, POULTRY SCI, V18, P76, DOI 10.3382/ps.0180076
[9]
GRUMMER RH, 1948, J ANIM SCI, V7, P527