共 23 条
[2]
CALDWELL AC, 1960, 7 INT C SOIL SCI MAD, V3, P517
[3]
COLE C. V., 1963, SOIL SCI SOC AMER PROC, V27, P671
[4]
DORMAAR J. F., 1960, CANADIAN JOUR SOIL SCI, V40, P177
[5]
DUNCAN W. G., 1958, AGRON JOUR, V50, P605
[6]
FINE LO, 1955, 453 S DAK AGR EXP ST
[7]
GORING CLEVE A. I., 1962, SOIL SCI, V93, P211, DOI 10.1097/00010694-196203000-00010
[8]
GRUNES D. L., 1958, SOIL SCI SOC AMER PROC, V22, P49
[9]
GRUNES D. L., 1959, ADVANCES AGRON, V11, P369, DOI 10.1016/S0065-2113(08)60127-3