Bui. 995, U. S. Dept. of Agriculture. 



Plate II. 



Fig. I. — The Smooth Roller, a Useful Implement in Packing the Seed 

 Bed before and after Planting. 



Fig. 2.- 



-The Corrugated Roller, an Implement Which Breaks the 

 Crust and Ridges the Ground against Wind Effect. 



