TURNIP 



371 



Usually the plants are equidistant from each other, both in the 

 row and from row to row. 



The amount of seed when the plants are raised in a seed-bed 

 is I lb. for each acre to be subsequently planted ; if drilled on 

 the field direct 4 or 5 lbs. per acre are necessary. 



Yield. — An average crop of cabbages is about 30 tons, that 

 of Kohl-rabi about 20 tons per acre. 



A B 



Fig. 117. — A, Se&d\\agoitvxra\^{Brcusica Rapa'L.). r Root ; /ihypocotyl; 

 c cotyledon; / first folmge-leat" ('rough leaf). B, Seedling of charlock 

 (Brassica Sinapis Vis.). 



Composition. — Kohl-rabi is richer in albuminoids and 'fibre ' 

 and poorer in carbohydrates than swedes. The average water- 

 content is about 88, the digestible carbohydrates about 7, fibre 

 I '5, and albuminoids 2 '3 per cent, respectively. 



7. Turnip {Brassica Rapa L.). — This name is applied to a 



