摘要 |
FIELD: biotechnologies.SUBSTANCE: nutritive medium contains potassium dihydrophosphate, potassium hydrophosphate, magnesium sulphate heptahydrate, sodium chloride, calcium sulphate dihydrate, sodium molybdate, iron (II) sulphate, saccharose, nano sapropel and distilled water with a defined component ratio.EFFECT: enhanced growth rate of phosphate-mobilising and nitrogen-fixing microorganisms.1 tbl, 15 ex |