共 20 条
- [2] CAMBURN OM, 1942, 494 VERM AGR EXP STA
- [3] CARTER W. R. B., 1960, JOUR BRIT GRASSLAND SOC, V15, P220
- [4] GREENHILL W. L., 1959, Journal of the Science of Food and Agriculture, V10, P495, DOI 10.1002/jsfa.2740100908
- [5] GUILBERT H. R., 1931, Hilgardia, V6, P1
- [6] KEPNER R. A. et al., 1960, Agric. Engng., V41, P299
- [8] LEE DD, 1964, J ANIM SCI, V23, P899
- [9] McCULLOUGH M. E., 1962, GEORGIA AGRIC RES, V4, P4