The interaction of dissolved organic nitrogen removal and microbial abundance in iron-filings based green environmental media for stormwater treatment - ScienceDirect
Organic Nitrogen Compound - an overview | ScienceDirect Topics
FARBIO® Organic Nitrogen Boost | premium liquid fertilizer | extra growth for your plants
Organic Nitrogen - an overview | ScienceDirect Topics
PDF] The Atmospheric Fate of Organic Nitrogen Compounds | Semantic Scholar
Providing Nitrogen to Organic Crops - Maine Organic Farmers and Gardeners