The horse-hoing husbandry, compleat in four parts, or, An essay on the principles of tillage and vegetation : wherein among many curious and useful improvements, the following are treated of 1. Of roots ... 20. Of the ho-plow, &c. : as also a method of introducing a sort of vineyard-culture into the corn-fields, in order to increase their product, and diminish the common expence, by the use of instruments described in cuts /