共 13 条
[1]
AITKEN Y, 1971, J AUST I AGR SCI, V37, P57
[2]
BLAIR B. O., 1962, CROP SCI, V2, P374, DOI 10.2135/cropsci1962.0011183X000200050003x
[3]
BONNETT OT, 1961, 276 ILL AGR EXP STA
[5]
FREY K. J., 1957, PROC IOWA ACAD SCI, V64, P160
[6]
FREY K. J., 1958, AGRON JOUR, V50, P248
[7]
GRAFIUS J. E., 1956, AGRON JOUR, V48, P419
[8]
LEOPOLD AC, 1964, PLANT GROWTH DEVELOP
[10]
SASS JE, 1958, BOTANICAL MICROTECHN