共 15 条
[1]
BALL CR, 1910, AM BREEDERS MAG, V1, P283
[2]
CONNER AB, 1923, J AM SOC AGRON, V15, P338
[3]
Graham RJD., 1916, MEM DEP AGR INDIAN B, V8, P201
[4]
KARPER RE, 1919, J AM SOC AGRON, V11, P257
[5]
RAMANATHAN V, 1924, J MADRAS AGR STUDENT, V12, P1
[6]
REED GEORGE M., 1927, BULL TORREY BOT CLUB, V54, P295, DOI 10.2307/2480677
[8]
REED GM, 1928, BROOKLYN BOT GARD RE, V17, P43
[9]
REED GM, 1925, USDA B, V1284, P1
[10]
REED GM, 1927, BROOKLYN BOT GARD RE, V16, P37