共 12 条
[1]
ARNON DT, 1939, SOIL SCI, V48, P297
[2]
BRENNER MW, 1939, CHEM ANAL, V280, P55
[4]
CLEM MA, 1950, 5 IOW ST COLL AGR EX
[5]
Kitson R.E., 1944, IND ENG CHEM ANALYT, V16, P379, DOI [10.1021/i560130a017, DOI 10.1021/I560130A017]
[6]
KRISTJANSON A. M., 1951, CANADIAN JOUR TECHNOL, V29, P496
[7]
MARKHAM R, 1942, BIOCHEM J, V36, P709
[8]
Mitchell J., 1946, SCI AGRIC [OTTAWA], V26, P566
[9]
MITCHELL J., 1952, SCI AGRIC [OTTAWA], V32, P311
[10]
RENNIE D. A., 1954, CANADIAN JOUR AGRIC SCI, V34, P353