共 6 条
[1]
BLACK CA, 1965, METHODS SOIL AN 1 ED, P466
[2]
BUOL S. W., 1961, SOIL SCI SOC AMER PROC, V25, P253
[3]
COWANS KD, 1965, SOIL CRUST PREVENTIO, P6
[4]
McINTYRE D. S., 1958, SOIL SCI, V85, P261, DOI 10.1097/00010694-195805000-00005
[5]
REEVE RC, 1965, METHODS SOIL ANAL 1, P466
[6]
TACKETT J. L., 1965, SOIL SCI, V99, P407, DOI 10.1097/00010694-196506000-00010