共 13 条
[2]
BROWN IC, 1958, UNPUBLISHED DATA
[5]
LATHWELL D. J., 1958, AGRON JOUR, V50, P366
[7]
MENZEL R. G., 1959, SOIL SCI SOC AMER PROC, V23, P110
[8]
MENZEL R. G., 1955, SOIL SCI, V80, P287, DOI 10.1097/00010694-195510000-00006
[10]
RUSSELL EJ, 1950, SOIL CONDITIONS PLAN, P441