Practical observations on the culture of lucerne, turnips, burnet, timothy grass, and fowl meadow grass : communicated by letters to Dr. Templeman ... to which is added, an appendix, containing comparative estimates of the expence and profit in drill and broadcast husbandry, in different parts of England, and in Ireland : and an account of some new, and improved instruments in husbandry, with the prices annexed to most of them.