The nature and property of soils : their connexion with the geological formation on which they rest, the best means of permanently increasing their productiveness, and on the rent and profits of agriculture : to which is added an account of the proceedings at Whitfield example-farm, the system of agriculture recommended on the estates of the Earl of Ducie, a letter to Mr. Pusey's tenants, and the mode of cultivation adopted on Stinchcombe farm / - Morton, John (J. Ridgway, 1842)