共 186 条
[41]
DYE PJ, 1982, ZIMBABWE J AGR RES, V20, P103
[42]
Dyer M. I., 1982, GRASSES GRASSLANDS S, P255
[45]
THE ENERGY AND PROTEIN-REQUIREMENTS OF THE LIGHT HORSE
[J].
BRITISH VETERINARY JOURNAL,
1980, 136 (02)
:116-121
[46]
ELTRINGHAM SK, 1980, ECOLOGY CONSERVATION
[47]
EVANS JL, 1973, FORAGES, P723
[48]
Field C.R., 1972, East African Wildlife Journal, V10, P17
[49]
Floate M. J. S., 1981, Terrestrial nitrogen cycles. Processes, ecosystem strategies and management impacts., P585