Root-Crops for Stock-Feeding. 



113 



Table VIII. Summary. — Concluded. 

 Average — Concluded. 



Carrots 



Rutabagas . . . . 

 Hybrid turnips 



Turnips 



Kohlrabi 



Cabbages 



Parsnips 



1904. 



Fresh 

 sub- 

 stance, 

 tons. 



9.6 

 17. I 

 21.4 



5-6 



Dry 

 sub- 

 stance, 

 lbs. 



3.074 

 3.561 



1905. 



Fresh 

 sub- 

 stance, 

 tons. 



16.8 

 25.8 

 24.7 

 20. 9 

 22.3 

 6, 206 29 .0 



Dry 



svib- 



stance, 



lbs. 



3.720 

 4,820 

 4,120 



1906. 



Fresh 

 sub- 

 stance, 

 tons. 



II-3 

 26 .0 

 18. 1 



3,380; 12. 1 

 4,480 20 .0 



3.640 



3.240 



22.5 

 8.1 



Dry 



sub- 

 stance, 

 lbs. 



Average. 



Fresh 

 sub- 

 stance, 

 tons. 



2 , 50O1 12.6 

 5,100 23.0 

 3,400 21.4 



1,980 

 3.660 

 4,140 



12.9 



21.2 



31-8 

 8.1 



Dry 



sub- 

 stance, 

 lbs. 



3.134 

 4.331 

 3.694 

 2,680 

 4,070 

 4 ,662 

 3.130 



Lessons from the tables: 



The teaching of these figures is that a profitable yield of stock feed 

 may be harvested under average seasonal conditions from practically all 

 these types of roots. As was pointed out on page 89, a greater average 

 yield of dry matter per acre may be obtained from mangels, half-sugar 

 mangels, sugar-beets and rutabagas than from an average yield of corn. 

 While it costs somewhat more per pound to produce this dry matter, 

 yet it is quite probable that the higher digestibility and palatability of 

 roots offset this lesser cost of corn. 



The tables show further that, comparing mangels and sugar-beets, 

 the former are more succulent, while the sugar-beets produce a higher 

 average yield of dry matter. It should be remembered, however, as 

 pointed out on p. iii, that because the sugar-beets grow into the ground, 

 they are more difficult to harvest ; and furthermore, they do not keep so 

 well as mangels. It may seem that the yield of sugar-beets is more uni- 

 form than that of mangels, but this is due to the fact that the yield of 

 different varieties of mangels varies more widely than that of the varieties 

 of sugar-beets. 



The rutabagas produce profitable yields of food material, and the 

 fact that they are well adapted to early feeding and also to the feeding 

 of swine, as well as to sheep and cattle, adds to their value. 



Turnips, as a general rule, do not yield as well as the above men- 

 tioned roots, and, furthermore, they are more liable to attacks of disease. 

 8 



