[Intensity of microbial life as graduator of soil fertility].
D001419:Bacteria / Q000378:metabolism; D002244:Carbon / Q000032:analysis; D006812:Humic Substances; D006863:Hydrogen-Ion Concentration; D009584:Nitrogen / Q000032:analysis; D010944:Plants; D012825:Silicon; D012987:Soil / Q000032:analysis; D012988:Soil Microbiology
D006812:Humic Substances; D012987:Soil; D002244:Carbon; D009584:Nitrogen; D012825:Silicon
Die intensität des Mikrobenlebens als Gradmesser der Bodenfruchtbarkeit.