共 17 条
[2]
Bremner JM, 1965, AGRONOMY, V9, P1149, DOI DOI 10.2134/AGRONMONOGR9.2.C32
[3]
Bridges E. M., 1967, Soils and Fertilizers, V30, P317
[4]
CONACHER AJ, 1977, GEODERMA, V18, P1
[5]
DESCRIPTION OF RELIEF IN FIELD STUDIES OF SOILS
[J].
JOURNAL OF SOIL SCIENCE,
1965, 16 (01)
:16-+
[6]
Ellis J.G., 1957, THESIS U SASKATCHEWA
[7]
ELLIS JG, 1970, SASK I PEDOLOGY PU S, V3
[8]
FURLEY P. A., 1968, Zeitschrift fur Geomorphologie, V12, P24
[9]
KISSAM P, 1971, SURVEYING PRACTICE
[10]
Milne G., 1935, SOIL RES, V4, P183