共 20 条
[1]
BARROWS HAROLD L., 1960, SOIL SCI SOC AMER PROC, V24, P169
[2]
BERGER K. C, 1940, JOUR AMER SOC AGRON, V32, P297
[3]
BLEVINS R. L., 1959, SOIL SCI SOC AMER PROC, V23, P296
[7]
JOHNSON CM, 1959, 766 CAL AGR EXPT STA, P62
[8]
KUBOTA J, 1948, SOIL SCI SOC AM PRO, V13, P130
[10]
MASSEY H. F., 1957, SOIL SCI, V83, P123, DOI 10.1097/00010694-195702000-00006