共 21 条
- [1] BABENKO V. I., 1967, FIZIOL RAST, V14, P727
- [2] BULA R. J., 1956, AGRON JOUR, V48, P153
- [3] CATHEY HENRY M., 1961, BOT GAZ, V123, P51, DOI 10.1086/336129
- [5] HODGSON H. J., 1956, AGRON JOUR, V48, P157
- [10] Levitt J, 1956, HARDINESS PLANTS