共 19 条
[2]
CRAWFORD RF, 1960, THESIS CORNELL U ITH
[5]
Evelyn KA, 1938, J BIOL CHEM, V126, P655
[6]
Fiske CH, 1925, J BIOL CHEM, V66, P375
[7]
GREWELING THOMAS, 1961, CHEM ANALYST, V50, P40
[8]
The accurate determination of nitrates in soils
[J].
INDUSTRIAL AND ENGINEERING CHEMISTRY,
1924, 16
:180-183
[9]
HEINZE PH, 1940, 314 MISS AGR EXPT ST