"Artificial fertilizers" refers to man-made substances that are added to soil or plants to provide essential nutrients for healthy growth and improve agricultural yields. Full definition
Products labelled as organic generally attract a premium price compared to those produced using artificial fertiliser, chemicals or pesticides and non-essential food additives or processing aids. (accc.gov.au)
About 40 % of the nitrogen in the protein that humans eat today got into that food by way of artificial fertiliser. (economist.com)
Produced using soil that is free from artificial fertilisers, and from plants that have been kept pest - free using mechanical and natural controls such as crop rotation. (womenshealthandfitness.com.au)