共 15 条
[11]
NIELSEN K. F., 1964, SOIL SCI SOC AMER PROC, V28, P213
[12]
Colorimetric method for determination of nitrite
[J].
INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION,
1941, 13
:0033-0035
[13]
STOJANOVIC B. J., 1960, SOIL SCI, V90, P93, DOI 10.1097/00010694-196008000-00003
[14]
VINE H., 1962, Plant and Soil, V17, P109, DOI 10.1007/BF01377825
[15]
WOLDENDORP J. W., 1963, MEDEDEL LANDBOUWHOGESCHOOL WAGENINGEN, V63, P1