共 32 条
- [3] CHAMBERLAIN E. E., 1939, New Zealand Journal of Science and Technology, V20, p365A
- [4] CHITTENDEN FJ, 1912, J R HORT SOC, V37, P541
- [5] GRAINGER J., 1929, Proc. Leeds Phil Soc., V2
- [6] HARRISON AL, 1935, B NY ST AGR EXP STA, V656
- [7] HARRISON AL, 1935, B NY ST AGR EXP STA, V235
- [8] Johnson F, 1937, J AGRIC RES, V54, P0629
- [9] MANNS TF, 1913, GDNRS CHRON, V53, P215
- [10] MASSEE G, 1912, KEW B, P44