共 13 条
[2]
BLACKMER AM, 1978, SOIL BIOL BIOCHEM, V10, P187, DOI 10.1016/0038-0717(78)90095-0
[5]
DETERMINATION AND ISOTOPE-RATIO ANALYSIS OF DIFFERENT FORMS OF NITROGEN IN SOILS .3. EXCHANGEABLE AMMONIUM NITRATE AND NITRITE BY EXTRACTION-DISTILLATION METHODS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1966, 30 (05)
:577-&
[6]
CRUTZEN P J, 1977, Ambio, V6, P112
[7]
HAHN J, 1977, Z NATURFORSCH A, V32, P190
[9]
LIU SC, 1977, TELLUS, V29, P251, DOI 10.1111/j.2153-3490.1977.tb00732.x