共 29 条
- [1] ARCHIBALD JG, 1943, 406 MASS AGR EXPT ST
- [2] BENTLEY OG, 1955, 766 OH AGR EXPT STA
- [3] BOWSTEAD J. E., 1948, Scientific Agriculture, V28, P66
- [4] BYERS JH, 1955, J ANIMAL SCI, V14, P1195
- [5] Cochran W.G., 1957, EXPT DESIGNS
- [6] COPPOCK CE, 1965, CORN SILAGE DAIRY CA, P59
- [8] DAVIS G. K., 1944, Journal of Dairy Science, V27, P649
- [9] EVANS JL, 1963, J DAIRY SCI, V46, P1174
- [10] HUBER JT, 1965, J ANIM SCI, V24, P887