PROBLEM 2. The Part Stems and Roots Play in Making Food 



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Fig. 171 (above) The sugar beet has a much 

 thickened taproot. Can you calculate through 

 how many cubic feet of soil these roots spread? 



Fig. 170 (above) Yozi can use the yardstick to 

 tell how far this taproot extends underground. 

 How high is the ste?)!? (Illinois agricultural 



EXPERIMENT STATION) 



Fig. 172 (right) The wheat plant has fibrous 

 roots. How do they differ from the roots of the 

 sugar beet? How far down do they extend? 



