共 33 条
[2]
Baker B.S., 1977, W VIRGINIA AGR EXP S, V657
[3]
Barr A. J, 1976, USERS GUIDE SAS 76
[5]
COLOVOS NF, 1965, NEW HAMPSHIRE AGR EX, V486
[6]
Fiske CH, 1925, J BIOL CHEM, V66, P375
[7]
GHAZI H, 1978, SOIL FERTILITY INF S, V3
[9]
HOGG DE, 1968, NEW ZEAL J AGR RES, V11, P171
[10]
JUNG GA, 1978, J ANIM SCI S1, V47, P207