共 24 条
[1]
BAXTER HD, 1978, TENN FARM HOME SCI P, V108, P20
[3]
BROWNING CB, 1960, MISSISSIPPI FARM RES, V23, P1
[7]
COWAN RL, 1952, PENNSYLVANIA EXP STA, V553, P31
[8]
CRAMPTON EW, 1956, APPLIED ANIMAL NUTRI, P96
[10]
Forbes EB, 1931, J AGRIC RES, V43, P1015