potashnoun [ U ]
uk/ˈpɒt.æʃ/us/ˈpɑːt.æʃ/a white powder containing potassium that is put on soil to make crops grow better
Thesaurus: synonyms and related words
Improving fertility & pest control
- agrochemical
- ammonium sulphate
- bonemeal
- compost
- crop spraying
- DDT
- feed
- fertilize
- herbicide
- improver
- insecticide
- leaf mould
- lime
- manure
- pesticide
- reclamation
- rotate
- saltpetre
- sheep dip
- slug pellet
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