共 50 条
- [5] A NOVEL POLYAMINE, AMINOBUTYLHOMOSPERMIDINE, IN JAPANESE VOLCANIC ASH SOILS [J]. SOIL BIOLOGY & BIOCHEMISTRY, 1989, 21 (03): : 449 - 452
- [8] METHODS OF EXTRACTING HUMIC ACIDS WITH A LOW ASH CONTENT FROM SOILS [J]. SOVIET SOIL SCIENCE, 1972, 4 (04): : 505 - 505
- [10] CHARACTERIZATION OF HUMIC ACIDS ISOLATED FROM SOILS UNDER MULBERRY VEGETATION [J]. CURRENT SCIENCE, 1995, 69 (01): : 67 - 68