共 10 条
- [2] HARRIS SE, IN PRESS
- [3] HILLEL D, 1960, 7 T INT C SOIL SCI M, V3, P330
- [5] MIDDLETON HE, 1930, 178 US DEP AGR TECH
- [6] Pipper C.S., 1950, SOIL PLANT ANAL, V1st, P47
- [7] Soil Survey Staff, 1960, SOIL CLASSIFICATION
- [8] SOMBROEK WG, 1968, AMAZON SOILS
- [9] 1963, GRAIN SIZE ANALYSIS, P194
- [10] 1967, SOIL CLASSIFICATIO S