PRACTICE XXI (Continued) 



Soils 



Sand or ( 

 Sandy 

 Loam 



Sray Silt 

 OR Gray 

 Silt Loam 



Brown 

 Silt 

 Loam 



Clay or 

 Clay 

 Loam 



Peat 







Time required for soil to become moist on 

 surface 













Weight of tube 













Weight of tube and air-dry soil 













Weight of air-dry soil 









1 

 1 

 1 





Weight of tube and wet soil 













Weight of tube and wet soil after drainage 

 ceases 













in wt. of air-dry soil and wet soil drained . 













Per cent of hygroscopic water 













Weight of w^ater-free soil 













Per cent of capillary water retained on water- 

 free basis 













Apparent specific gravity 











i 



Weight of a cubic foot of soil 













Pounds of water per cubic foot 













Acre inches of water held by acre foot of soil 













Inches of water held by 6 inches of soil . . 



1 



1 

 i 









45 



