PRACTICE VI (Continued) 



SOI LS 



Sand or 

 Sandy Loam 



Gray Silt 



OR Gray 



Silt Loam 



Brown Silt 

 Loam 



Black Clay 

 Loam 



Peat 





1 i 2 



1 



2 



1 



2 



1 



2 



1 2 



Weight of weighing bottle 























Weight of weighing bottle 

 and air-dry soil . . . 























Weight of weighing bottle 

 and water-free soil . . 





















Weight of air-dry soil . . 























Weight of water-free soil . 























Loss in grams = Wt. of hy- 

 groscopic w^ater . . . 























Hygroscopic water in per 

 cent on water-free basis 























15 



