共 22 条
- [11] Levitt J, 1956, HARDINESS PLANTS
- [13] MCKENZIE JS, 1976, 1976 P ALF SEM KAML, P68
- [14] ODYNSKY WM, 1961, 20 RES COUNC ALB REP
- [17] Smith D., 1964, Herbage Abstracts, V34, P203
- [18] SMITH D, 1972, ALFALFA SCI TECHNOLO
- [19] SMITH DALE, 1962, CROP SCI, V2, P75, DOI 10.2135/cropsci1962.0011183X000200010010x