118 PERMANENT AND TEMPORARY PASTURES 



must be determined by the character of the field to be laid 

 down. From a mixture wisely chosen paying crops for grazing 

 or cutting are produced during the entire period of the ley. 

 When the ground is broken up a crop of roots may be taken, 

 followed by corn, and a similar course repeated for another 

 term. Land which has long been regarded as of little value 

 may thus be gradually brought into fertile condition, until it 

 is amenable to the regular course system of the farm. 



