共 50 条
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- [5] The effect of humic substances from oxyhumolite on plant development EFFECT OF MINERAL-ORGANIC-MICROORGANISM INTERACTION ON SOIL AND FRESHWATER ENVIRONMENTS, 1999, : 197 - 202
- [6] INCORPORATION OF C-14-TAGGED DECOMPOSITION PRODUCTS OF PLANT RESIDUES INTO HUMIC SUBSTANCES SOVIET SOIL SCIENCE, 1974, 6 (06): : 687 - 693
- [7] HUMIC SUBSTANCES AND PLANT-GROWTH JOURNAL OF SCIENTIFIC & INDUSTRIAL RESEARCH, 1972, 31 (08): : 439 - 448
- [9] METHODS OF EXTRACTING HUMIC ACIDS WITH A LOW ASH CONTENT FROM SOILS SOVIET SOIL SCIENCE, 1972, 4 (04): : 505 - 505
- [10] PHYSICAL METHODS FOR EXTRACTING FRACTIONS OF ORGANOMINERAL SUBSTANCES FROM SOILS SOVIET SOIL SCIENCE, 1981, 13 (02): : 106 - 119