92 POPULAR EHEOHS. 



berries also there is a gain by a partial renewal 

 occasionally. With plums and other trees that 

 sprout there seems to be a natural tendency in the 

 same direction after the tree has attained a moder- 

 ate size. No such provision exists however in the 

 case of apple and peach trees, and in these the 

 only remedy for exhaustion from overbearing, 

 aside from good care which will often be sufficient, 

 is to renew the whole tree by planting a new one. 

 This is systematically done by growers of peaches, 

 and it is the only way in many cases to maintain 

 fruitful apple orchards. 



The question of pruning thus leads one to con- 

 sider aU the influences that afl'ect the health of the 

 tree. 



