6 DAKOTA AGRICULTURAL COLLEGE 



small grain, save a small portion, on which corn was grown last year, 

 It was plowed twelve inches deep, with riarrow furrows, in April, and 

 was repeatedly harrowed and planked until the soil was fine and free 

 from clods. The plats were made 8x10 rods, with a road 16^ feet wide 

 on each side, and with a path eight feet wide between the plats. 



Following is a diagram of the plantation, with the varieties of 

 the trees used: 



