24 SOILS AND PLANT LIFE 



7. What three kinds of water do we find in the soil? 



8. How can you determine the amount of each kind of water 

 in a sample of soil? 



9. What is the effect upon the rise of water in the soil of 

 plowing under trash or clods? 



10. How may moisture be prevented from escaping from 

 the surface of the soil? 



