Annals of agriculture, and other useful arts : Collected and published by Arthur Young, Esq. F.R.S. honorary member of the societies of Dublin, Bath, York, Salford, Odiham, and Kent; the Philosophical and Literary Society of Manchester; the Veterinary College of London; the Œconomical Society of Berne; the Physical Society of Zurich; the Palatine Academy of Agriculture at Manheim; the Imperial Œconomical Society established at Petersburgh: associate of the Royal Society of Agriculture at Paris; and corresponding member of the Royal Academy of Agriculture at Florence; and of the Patriotic Society at Milan. Vol. XX.