共 15 条
- [1] BAEUMER K, 1970, NETH J AGR SCI, V19, P283
- [2] BARTHOLOMEW P W, 1977, Record of Agricultural Research (Belfast), V25, P89
- [3] BAUER A, 1978, N DAKOTA AGR EXP STN, V506
- [4] Bever WM, 1937, J AGRIC RES, V54, P0375
- [9] Cochran W.G., 1957, EXPT DESIGN, Vsecond