共 35 条
[3]
[Anonymous], WISS TAB GEIG TEILB
[6]
Babic-Ivancic V, 2002, CROAT CHEM ACTA, V75, P89
[8]
N-15 isotope dilution techniques to study soil nitrogen transformations and plant uptake
[J].
FERTILIZER RESEARCH,
1995, 42 (1-3)
:185-192