共 7 条
- [1] Chepil W. S., 1946, SCI AGRIC [OTTAWA], V26, P347
- [2] CURRY WL, 1981, P SO WEED SCI SOC, V34, P66
- [3] HARPER J. L., 1957, Outlook on Agriculture, V1, P197
- [4] Little T.M., 1978, AGR EXPT DESIGN ANAL, P125
- [5] ROBERTS HA, 1972, WEED RES, V12, P316, DOI 10.1111/j.1365-3180.1972.tb01226.x
- [6] STEEL RGD, 1980, PRINCIPLES PROCEDURE, P394