共 11 条
[1]
CLARK J. S., 1964, SOIL SCI, V98, P302, DOI 10.1097/00010694-196411000-00005
[2]
CLARK J. S., 1964, CANADIAN J SOIL SCI, V44, P203
[4]
PH VALUES OF SOILS SUSPENDED IN DILUTE SALT SOLUTIONS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1966, 30 (01)
:11-&
[5]
COLEMAN N. T., 1959, SOIL SCI SOC AMER PROC, V23, P146
[6]
Jackson ML, 1958, SOIL CHEMICAL ANALYS
[8]
MEHRA DP, 1960, 7TH NAT C CLAYS CLAY, P317
[9]
TOOGOOD JA, 1953, J AGR SCI, V33, P159
[10]
1966, 6 NATL M CAN DEPT AG