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Expired
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Publication date
Publication of GB142252ApublicationCriticalpatent/GB142252A/en
142,252. Duncan, A. July 8, 1919. Drawings to Specification. Manures.-Seeds before sowing are partially embedded in a manurial or other substance. A mixture of ammonium sulphate, calcium superphosphate, potassium nitrate, liquorice root or marshmallow root, and gum acacia, glucose, sugar, or other binding agent may be employed.