Factors limiting microbial activities in soil. I. The level of substrate, nitrogen, and phosphorus.
D009584:Nitrogen / Q000737:chemistry*; D010758:Phosphorus / Q000737:chemistry*; D016226:Phosphorus, Dietary; D012987:Soil
D016226:Phosphorus, Dietary; D012987:Soil; D010758:Phosphorus; D009584:Nitrogen
NITROGEN/chemistry; PHOSPHORUS/chemistry