共 16 条
[2]
[Anonymous], 1976, PROPERTIES MANAGEMEN
[3]
[Anonymous], 1975, SOIL TAXONOMY
[4]
DESPHANDE TL, 1964, NATURE, V201, P107
[5]
DESPHANDE TL, 1968, J SOIL SCI, V19, P108
[6]
FRANZMEIER D. P., 1965, SOIL SCI SOC AMER PROC, V29, P737
[7]
Jackson M. L., 1956, SOIL CHEM ANAL