SYSTEM OF PLANTING 



185 



vation is followed the plants are set 12 to 16 inches apart in 

 the rows and the rows 18 to 24 inches apart. If horse culti- 

 vation is used the rows must be 30 inches apart and the plants 

 12 to 14 inches apart in the rows. 



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Single Hedge Row System. ^The single hedge row system 

 differs from the hill system in that the runners are permitted 

 to grow sufficiently to fill up the space between the original 

 plants. As a rule each mother plant is allowed to produce two 



