[Examination of relations between fertilizing and humic matters (author's transl)].
D001419:Bacteria / Q000378:metabolism*; D002118:Calcium / Q000494:pharmacology; D005308:Fertilizers; D006812:Humic Substances / Q000378:metabolism*; D009584:Nitrogen / Q000494:pharmacology; D010758:Phosphorus / Q000494:pharmacology; D011188:Potassium / Q000494:pharmacology; D012987:Soil / Q000032:analysis; D012988:Soil Microbiology
D005308:Fertilizers; D006812:Humic Substances; D012987:Soil; D010758:Phosphorus; D009584:Nitrogen; D011188:Potassium; D002118:Calcium
Prüfung von Beziehungen zwischen mineralischer Düngung und Huminstoffen