350 
VEGETABLE GARDENING 
Fifteen inches between rows is about as close as plants 
can be set to permit satisfactory tillage. The seed resem- 
bles cabbage seed and should be sown at the same depth. 
Thorough and frequent tillage is important. 
484. Marketing. — It is important to market the crop 
before the enlargements become woody. The plants 
may be tied together in bunches like early beets or sold 
in bulk. Kohl-rabi is a profitable 
crop whenever a market can be 
found. This vegetable may be stored 
in the same manner as root crops. 
LEEK (Allium porrum ) 
485. Importance. — This member of 
the onion family produces a sheaf of 
leaves (Figure 83) rather than a 
bulb. The sheaf is made up of the 
lower parts of the flat leaves, is solid 
and, when well blanched, milder and 
more tender than the onion. Leeks 
are generally eaten raw, but are also 
cooked and used for flavoring. This 
vegetable is much more popular in 
some foreign countries, as France, 
England, Scotland and in southern 
Europe, than in America, where it is 
Fie 8? Leek § Town mainly for the foreign popu- 
l " L-3 ' lation. 
486. Culture. — Soil and cultural conditions required for 
onions are equally well adapted to leeks. Rotten stable 
manures are of great value. The usual plan is to sow in 
the spring as soon as the ground can be prepared. In 
June or more often in July the seedlings are transplanted 
in moist, well-prepared soil. It is an advantage to clip 
the tops severely at transplanting. The plants may be 
