30- 



a: 

 < 



CD 



' 20- 



o 



10 - 



12 3 4 5 



DISTANCE FROM ROOT AXIS - CM. 



Figure 6. Distribution of moisture potential at different distances from an 

 absorbing root. ( From Gardner, 1960.) 



12 18 24 30 36 42 48 



TIME - HOURS 



Figure 7. Pressure difference between a root and the surrounding soil as a 

 function of time. (From Gardner.) 



