A treatise of husbandry on the improvement of dry and barren lands : Shewing, I. The many advantages which would arise to the nation in general, by destroying of warrens, and converting the lands into tillage, pasture, &c. II. Pointing out new and cheap methods to make growing fences upon the most barren soils, and how to till and manure the same at a low expence. III. How to prepare the land, and raise upon ti various sorts of plants, to produce both poles and timber.