Noun plant food has 1 sense
  1. 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:
     sodium nitrate, soda niter; potassium nitrate, saltpeter, saltpetre, niter, nitre; ammonium nitrate
    --1 has particulars: organic, organic fertilizer, organic fertiliser
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