共 13 条
[1]
ARMSTRONG TF, 1976, P N CENTRAL WEED CON, V30, P120
[2]
BELL RS, 1962, RHODE ISLAND AGR EXP, V364
[3]
EIK K., 1965, AGRON J, V57, P7
[6]
GUTMAN J, 1980, CAN J PLANT SCI, V60, P755, DOI 10.4141/cjps80-109
[8]
OSTLE B, 1963, STATISTICS RES