共 41 条
[2]
[Anonymous], 1960, OFFICIAL METHODS ANA
[4]
BURDOCH JC, 1964, P NUTR SOC, V23, P99
[5]
BURTON GLENN W., 1956, AGRON JOUR, V48, P360
[6]
Conroy E., 1961, Irish Journal of Agricultural Research, V1, P67
[8]
CORBETT J. L., 1963, ANIM PROD, V5, P119
[9]
CORBETT JL, 1960, 8 P INT GRASSL C REA, P439
[10]
Crampton EW, 1938, J NUTR, V15, P383