title: The model humification of lignin preparation. I. The humification of Björkman lignin isolated from the rye straw.
mesh_terms: D002244:Carbon / Q000032:analysis; D002845:Chromatography; D003454:Cryptococcus / Q000378:metabolism; D003470:Culture Media; D002523:Edible Grain / Q000032:analysis; D005658:Fungi / Q000378:metabolism*; D006859:Hydrogen / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D008031:Lignin / Q000032:analysis / Q000302:isolation & purification / Q000378:metabolism*; D008903:Minerals / Q000032:analysis; D003904:Mitosporic Fungi / Q000378:metabolism; D009584:Nitrogen / Q000378:metabolism; D010407:Penicillium / Q000378:metabolism; D011199:Potentiometry; D011549:Pseudomonas / Q000378:metabolism*; D012987:Soil; D012988:Soil Microbiology; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet; D013302:Streptomyces / Q000378:metabolism*
chemical_list: D003470:Culture Media; D008903:Minerals; D012987:Soil; D002244:Carbon; D006859:Hydrogen; D008031:Lignin; D009584:Nitrogen