CULTURAL DIRECTIONS 
269 
353. Composition. — The Maryland Station (Maryland 
Station Bulletin 133 (1909), p. 197) has made a thorough 
study of the chemical composition of the cabbage. The fol- 
lowing tables are adapted from the report upon this subject: 
Food Constituents in Heads and Refuse Cabbage 
Heads 
per cent 
Refuse 
matter 
per cent 
98.50 
0.21 
0.41 
0.38 
0.46 
0.04 
91.02 
3.58 
1.42 
1.32 
2.41 
0.2S 
Ash 
It will be seen from this table that cabbage is a very 
watery food, but that the amount of protein in the dry 
matter is relatively large. 
Fertilizing Material Found in the Different Parts 
of Cabbage Plants 
(Per cent in Fresh Materials) 
Heads 
per cent 
Refuse 
leaves 
per cent 
Root 
per cent 
0.023 
0.087 
0.065 
0.019 
0.080 
0.402 
0.227 
0.441 
0.111 
0.762 
0.352 
0.107 
354. Manure and fertilizer requirements. — Figuring 
on the basis of 8,000 mature heads to the acre, each head 
weighing 33/2 pounds, an acre of cabbage would require 
during the season the following amounts of plant food: 
