共 24 条
- [2] BLACKMORE A. V., 1961, SOIL SCI SOC AMER PROC, V25, P169
- [3] BOLT G. H., 1955, SOIL SCI SOC AMER PROC, V19, P285
- [7] Greene R. S. B., 1978, Modification of Soil Structure (Emerson, W.W.
- [8] Bond, R.D.
- [9] Dexter, A.R. - editors)., P35
- [10] KERR PF, 1949, 49 COL U PROJ