共 8 条
- [1] AMIRSHAHI M. C., 1956, AGRON JOUR, V48, P181
- [2] Preliminary results in measuring the hardiness of plants [J]. PLANT PHYSIOLOGY, 1930, 5 (02) : 215 - 223
- [3] GREENHAM CG, AUST J BIOL SCI
- [4] HEINRICHS D. H., 1954, CANADIAN JOUR AGRIC SCI, V34, P269
- [5] Levitt J., 1941, FROST KILLING HARDIN
- [7] WILLIAMS W., 1950, Journal of the British Grassland Society, V5, P113
- [8] WIT F, 1952, 6 P INT GRASSLD C PE, P1607