PASTl'HES. MKADOWS. AND FORAGE 



in:. 



aro pfiuTnlly worthless ns forngo plants, althoiii^h aotno spfciti 

 in tin- West and South nfTord acceptable cattle ran(*f'H wlu-n 

 grass is not to be had. Figs. 74 and T.'i show 

 common types of eedgeu, such as aro frequent in 

 swales. 



305(1. In specialty-funning (4n), nbundanro of 

 plant-food and hunuis material can be addi-d to 

 the soil, and rotations may not bo needed ; but 

 in genend or nii.xed husbandry some kind of rota- 

 tion is essential. Read Chapter .xv., "Fertility of 

 the Laiul." 



30.')/*. The kind of rotation must bo determined 

 by the soil and many other factors. A four-year 

 rotation, in which an exacting crop follows :\ !■ -- 





Fl^ TS Juno (mx or blue crmaa 



