A new treatise of husbandry, gardening, and other matters relating to rural affairs : Shewing, a plain and practical method of improving all sorts of land, viz. meadow, pasture, arable, &c. And of making them produce greater crops of all kinds, at much less expence than it now costs. With many new, useful, and curious improvements, never before published. The whole founded upon many years experience. By Samuel Trowell, gent. To which are added, several letters to Mr. Thomas Liveings, concerning his compound manure for land.