chemical - produced by or used in a reaction involving changes in atoms or molecules

organic, organic fertiliser, organic fertilizer - a fertilizer that is derived from animal or vegetable matter

soda niter, sodium nitrate - (NaNO3) used especially as a fertilizer and explosive

niter, nitre, potassium nitrate, saltpeter, saltpetre - (KNO3) used especially as a fertilizer and explosive

ammonium nitrate - used as an explosive and fertilizer and rocket propellant