共 6 条
- [1] QUANTIFICATION BY DIRECT N-15 DILUTION OF FIXED N-2 INCORPORATION INTO SOIL BY CAJANUS-CAJAN (PIGEON PEA) SOIL BIOLOGY & BIOCHEMISTRY, 1986, 18 (01): : 125 - 127
- [2] NITROGEN-FIXATION BY INTACT GRASS SOIL CORES USING (N-2)-N-15 AND ACETYLENE-REDUCTION SOIL BIOLOGY & BIOCHEMISTRY, 1985, 17 (01): : 87 - 91