PRACTICE XI (CONTINUED) 



Sandy soils have less pore space than clay or clay loams. 

 How will this affect the apparent specific gravity ? 

 Calculate the weight of a cubic foot of each soil, loose and 

 compact. 



REFERENCES. 



w Soils," Lyon and Fippin, pp. 94-96 and 128. 



"The Soil," Hall, pp. 63-64. 



" Physical Properties of Soil," Warington, pp. 42-44. 



" The Soil," King, p. 85. 



" Soils," Hilgard, pp. 107-108. 



1 L = Loose ; C = Compact. 



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