100 J'KIXC II'I.KS AM) PRACTICE OK I'Kl'XIXG 



judicious, continuous good management. Whatever seri- 

 ously upsets the equilibrium so established will almost surely 

 also upset the bearing habit. In cases where the bearing 

 habit has never been developed, either due to neglect or 

 improper management, experiment may enable the grower 

 to discover a remedy such as giving a different type of till- 



FIG. 72 



BRANCHES OF l.OW-HEADED TREES TEND TO ASCEND AT ACUTE ANC.l HS 

 This drawing from a photograph shows that trees started with low heads hive 

 branches that approach the vertical. Compare with high-headed trees (Figs. 3, 22>>.<. 



age, a change of plant food, a better type of disease and 

 insect control or a more or less radically different style of 

 pruning. 



A neglected orchard will furnish a typical case. Suppose 

 the tillage, spraying and other factors just mentioned to be 



