110 FORAGE PLANTS AND THEIR CULTURE 



devised by various investigators. Annuals are best suited 

 to this purpose not only because the period during which 

 they can be used and the feed they will produce may be 

 quite accurately predicted, but because the planting of 

 perennials in small patches is often objectionable. If fields 

 of perennials like clover or alfalfa are available they may 

 well be utilized, however, in some systems. Two systems 

 of temporary pastures are here given as examples, one 

 adapted to the North and the other to the South. 



Duggar, at the Alabama Experiment Station, on the 

 basis of extensive experiments suggests the following suc- 

 cession of pasture crops for pigs in that state : 



SYSTEM OF PASTURE CROPS FOR PIGS. ALABAMA 



Fisher at the Indiana Experiment Station has arranged 

 the following data, from which a system of temporary 

 pastures for hogs in that state may be selected : 



