Bui. 721, U. S. Dept. of Agriculture. 
Plate I. 
Fig. 1.— Planting Sugar Beet Seed with 4-Row Drills, Whereby the Seed 
Should Be Placed at a Uniform Depth, in Straight Rows, and in a Firm 
Seed Bed. 
-A Field of Sugar Beets, Showing Furrow Irrigation; Every Alternate 
Row Furrowed. 
