共 10 条
[2]
DOW AI, 1948, THESIS STATE COLLEGE
[3]
Jenny H., 1945, HILGARDIA, V16, P429
[4]
JONES RA, 1946, AM SOC SUGAR BEET TE, V4, P36
[5]
Kitson R.E., 1944, IND ENG CHEM ANALYT, V16, P379, DOI [10.1021/i560130a017, DOI 10.1021/I560130A017]
[6]
KRANTZ BA, 1943, SOIL SCI SOC AM P 19, V8, P196
[7]
MacIntire W. H., 1943, SOIL SCI SOC AMER PROC, V8, P205
[8]
NELSON CE, 1941, J AM SOC AGRON, V3, P105
[9]
PEECH M, 1947, USDA757 CIRC
[10]
WAYNICK DD, 1934, CALIF CITROGRAPH, V19