共 123 条
[3]
BECKETT PHILIP, 1964, SOIL SCI, V97, P376, DOI 10.1097/00010694-196406000-00003
[4]
BOLT G. H., 1955, SOIL SCI, V79, P267, DOI 10.1097/00010694-195504000-00004
[5]
BOWER C. A., 1957, SOIL SCI SOC AMER PROC, V21, P20
[6]
BOWER C. A., 1955, SOIL SCI SOC AMER PROC, V19, P147
[8]
BRADFIELD R, 1927, 1ST INT C SOIL SCI T, V6, P858
[9]
BRADFIELD R, 1933, INT SOC SOIL SCI T C, VA, P63
[10]
BRADFIELD R, 1925, J AM SOC AGRON, V17, P253