Nitrogen fertilizer

https://www.wikidata.org/wiki/Q83323

Field Hierarchy

Parent
Biology 34.8M papers	Physics 31.7M papers	Chemistry 28.4M papers	Quantum mechanics 13.1M papers
Organic chemistry 12.8M papers	Ecology 7.8M papers	Agronomy 2.3M papers	Nitrogen 397k papers
Fertilizer 166k papers
Current
Nitrogen fertilizer 9,817 papers
Child

Trends

Notes

History