共 13 条
[1]
COLE DF, 1971, AGRON ABSTR, P42
[2]
Coukos C. J., 1944, JOUR AMER SOC AGRON, V36, P337
[3]
LARSEN A. L., 1969, Proceedings of the Association of Official Seed Analysts of North America, V59, P44
[5]
LARSEN AL, 1971, 5141 US DEP AGR AGR
[6]
MAJOR RL, 1972, THESIS U ARIZONA
[7]
SUMNER D. C., 1962, CROP SCI, V2, P321
[8]
SUMNER DC, 1960, NEWSLETT ASSOC OFF S, V34, P12