共 24 条
[2]
EAGLE D. J., 1958, CANADIAN JOUR SOIL SCI, V38, P161
[3]
EPHRAT J., 1965, Bull. EC. nat. sup. agron. Nancy, V7, P3
[4]
EPHRAT J, 1966, 524 NAT U I AGR PREL
[5]
EPHRAT J, 1959, 252 AGR RES ST PREL
[6]
FITTS J. W., 1955, SOIL SCI SOC AMER PROC, V19, P69
[7]
HAGIN J, 1960, KTAVIM, V10, P3
[8]
HAGIN J, 1961, KTAVIM, V3, P3
[9]
HARPSTEAD M. I., 1958, SOIL SCI SOC AMER PROC, V22, P326
[10]
HERON GM, 1968, AGRON J, V60, P477