共 9 条
[2]
BROWN B. A., 1957, AGRON JOUR, V49, P477
[3]
ENSMINGER LE, 1960, 327 AL AGR EXP STA B
[4]
FLETCHER OH, 1959, 696 MISS AGR EXP STA
[5]
GIBSON PRYCE B., 1957, AGRON JOUR, V49, P213
[6]
KING WA, 1953, 410 S CAR AGR EXP ST
[7]
PADEN WR, 1960, 488 S CAR AGR EXP ST