The practical farmer: being a new and compendious system of husbandry, adapted to the different soils and climates of America. : Containing the mechanical, chemical and philosophical elements of agriculture. : With many other useful and interesting subjects. / By John Spurrier, an old experienced farmer, late of the county of Herts, in Great-Britain: and now of Brandywine Hundred, County of New-Castle, and state of Delaware.