. Bulletin of the Department of Agriculture. Agriculture; Agriculture. «as^ «2M #' :h^^sSs^MtiM Fig. 13.—A plank drag, an implement used in some regions instead of a roller to prepare cloddy land for corn. The spike-tooth harrow (fig. 8) is extensively used in almost every region visited. The disk harrow (fig. 9) is also extensively used, but where the land is extremely rolling or stony the spring-tooth harrow (fig. 10) is more popular. The acme harrow (fig. 11) is used only on soils free from stones. I nit is well adapted for thor- oughly pulverizing the seed bed "ii such soils. The
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. «as^ «2M #' :h^^sSs^MtiM Fig. 13.—A plank drag, an implement used in some regions instead of a roller to prepare cloddy land for corn. The spike-tooth harrow (fig. 8) is extensively used in almost every region visited. The disk harrow (fig. 9) is also extensively used, but where the land is extremely rolling or stony the spring-tooth harrow (fig. 10) is more popular. The acme harrow (fig. 11) is used only on soils free from stones. I nit is well adapted for thor- oughly pulverizing the seed bed "ii such soils. The spring-tooth harrow is also often used on loamy soils (fig. L2). The plank drag (fig. 13) and roller (fig. 1 I) are used on soils which easily be- come cloddy and to compact light, porous soils. For the more pro- 8504°—Bull. 820- 16 3. Pio. 14.—A land roller, an implement used for preparing the seed bed, and to com- pact light, porous soils, after plowing, for Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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