- fertilizer, fertiliser, plant food - any substance such as manure or a mixture of nitrates used to make soil more fertile
--1 is a kind of chemical
--1 has substances:
--1 has particulars: organic, organic fertilizer, organic fertilisersodium nitrate, soda niter; potassium nitrate, saltpeter, saltpetre, niter, nitre; ammonium nitrate Derived forms: verb fertilize2, verb fertilize1