Fig. 15. Showing the condition which 

 prevails in spring on cold, undrained 

 soils, when the water-table is too 

 high. 



Fig. 16. When the drought comes, 

 the plant is still shallow-rooted, 

 and it suffers. 



Fig. 17. On well-drained soils, the 

 roots strike downwards. 



Fig 18. When the drought comes, 

 the plant does not suffer. 



