An improved system of agriculture [electronic resource] : wherein the defects of the old practice of fallowing are distinctly pointed out : and that, by the present system, the produce of the farm, and the profits of the farmer are increased, and the land improved, are clearly established : to which are added, the management of the dairy, upon approved scientific principles : with observations on the horse, cattle, and sheep, their diseases and treatment / selected, principally, from veterinary writers of talent and experience, by Joseph Russell