CAMPBELL'S SOIL CULTURE MANUAL 



165 



In the accompanying illustration we show a single 

 stalk of corn and the general direction and development, 

 of roots. This illustration was made from several care- 

 ful investigations of the location and development o,' 



0-SEED ROOT 

 -FIRST BOOT 

 2-FIRST CIRCLE 

 3-SECOD - 

 *- THIRD 

 S-FOUR - 



ROOTS 



Development of Corn Roots. 



corn roots. In the right hand corner you will note the 

 figures to 6, each indicating the circle of roots, indi- 

 cating the first development, or from the germination of 

 the kernel of corn, while No. 1 indicates the second growth 



