APPENDIX 



263 



reach down into tumblers of water. Fill each tumbler to 

 the same height. Note the rise of the water in the dif- 

 ferent soils, the height, and the time it takes. In which 

 soil does the water rise most rapidly? In which to the 

 greatest height ? This power of soil to draw water from 

 below is called capillarity and the water is called capil- 

 lary water. What lesson on farming do we learn from 

 this experiment? 



«>lCO^^pR 



Fig. 127. Action of Water in Soil 



5. Fill three bottles to the depth of about one inch 

 with clay, sand, and loam. Then completely fill all three 

 bottles with water and shake thoroughly. Set the bottles 

 in a quiet place and let their contents settle. Observe 

 which soil settles to the bottom most quickly, keeping 

 a record of the time required for the water to become 

 clear in each bottle. 



6. Crumble a piece of clay into fine particles. Do 

 the same with loam and with sandy soil. Which soil, 



