May 29, 1916 Root Systems and Leaf Areas of Corn and Sorghum 323 



Table VI. — Relative weight of the roots and aerial portions of corn, kafir, and milo in 

 1914 and 1915 at Garden City, Kans. — Continued 



1915 



Crop and can No. 



Milo, Dwarf: 



Average ratio . 



Kafir, Dwarf Black- 

 hull: 



Number 

 of plants. 



13- 

 14. 



15- 

 16. 



17- 



Average ratio 



Kafir, Blackhull: 



18 



21 



53 



54 



55 



56 



57 



58 



Average ratio 



QDm, Pride of Sa- 

 line: 



24 



25- 



26. 

 27. 

 28. 

 29. 

 42. 

 43- 



Average-ratio . 



Weight of 



stem, leaves, 



and grain. 



Gm. 

 214. 6 

 226. 4 

 231.4 

 223.3 



233-3 

 217. 6 



230-5 



Weight of 



stem and 



leaves. 



Gm. 

 III. 5 

 III. 8 

 125.8 

 121. 3 



123-7 

 no. o 



115-8 



"7-5 



249.7 

 221.8 

 2 57-8 

 168.8 

 230.2 



341-7 

 219.3 

 299.7 

 287 



3^°- 3 

 342.8 



333-^ 

 354-2 



142.7 

 133-4 

 137-9 

 97-1 

 135- I 



215. o 

 147.2 

 207.3 

 206. 3 

 213. I 

 253-2 

 219.5 

 244.6 



205.6 

 252-5 

 234-4 

 202. 4 

 211. 2 

 228. 3 

 239-7 

 249-3 



Weight of 

 roots. 



13-5 



12. 7 



14. o 

 22. 4 

 15.0 

 14. o 

 16.8 

 15.0 



16. o 



13.6 

 15-4 



10. 4 

 16. 9 



19. o 

 14. 6 

 25.0 



23-5 

 14.7 

 21. o 



20. I 

 14.7 



Ratio of the 



weight of 



stem, leaves, 



and grain to 



weight of 



the roots. 



15.8 

 17.8 



16.5 

 a (9. 9) 



15-5 

 15-5 

 13-7 

 15.0 



15.6 

 16.3 

 16. 7 

 16. 2 

 13.6 



15-7 



17.9 

 15.0 

 11.9 

 12. 2 



(21. I) 

 16. 3 

 16.6 



(24- o) 



30-5 



33- I 

 26. o 



28.2 



33-^ 

 31-7 

 24- 7 

 28. I 



14.9 



Ratio of the 



weight of 



the stem 



and leaves 



to the weight 



of the roots. 



8 



7 

 6 



8.0 



8.9 

 9.8 

 8.9 



9-3 

 8.0 



8.9 



II- 3 



10. o 



8.2 



o (14. 4) 

 12. o 

 10. 9 



a (16. 6) 



6-7 

 7.6 

 9.0 

 7-1 

 6-3 

 7-2 

 9-7 



" Not included in the average. 



The root systems of Dwarf milo and Blackhull kafir were isolated from 

 six cans in 191 4 and from eight cans in 191 5. The average ratio of the 

 dry weight of the grain and of the stem and leaves of Dwarf milo to the 

 dry weight of the roots was as 15 to i in 191 4 and as 15.7 to i in 191 5. 



