Bui. 721, U. S. Dept. of Agriculture. 



Plate IV= 



Fig. 1.— a 4-Row Cultivator, Which if not Carefully Used May Destroy a 

 Good Stand of Beets. 



FiQ. 2.— A Field of Sugar Beets Whose Tops Completely Cover the Ground, 

 at Which Stage the Crop May Be Laid By. 



