共 14 条
[1]
COLEMAN N. T., 1964, SOIL SCI SOC AMER PROC, V28, P187
[2]
FRINK C. R., 1963, SOIL SCI SOC AMER PROC, V27, P527
[3]
HARWARD ME, 1954, SOIL SCI, V78, P181, DOI 10.1097/00010694-195409000-00002
[4]
HSU PA HO, 1964, SOIL SCI SOC AMER PROC, V28, P763
[5]
JACKSON M. L., 1963, Soil Science Society of America. Proceedings, V27, P1
[6]
Jackson ML, 1958, SOIL CHEMICAL ANALYS
[7]
LIN CLARA, 1960, SOIL SCI SOC AMER PROC, V24, P444
[8]
PAVER H, 1934, CHEM IND, V53, P750
[9]
RAGLAND JOHN L., 1960, SOIL SCI SOC AMER PROC, V24, P457
[10]
RICH C. I., 1960, SOIL SCI SOC AMER PROC, V24, P26