MISCELLANEOUS VEGETABLES 377 
Fig. 131.—Planting witloof chicory in trenches. 
to cover the crowns with fine soil, sand or sawdust. 
Sand is probably the favorite material. For the early 
crop this need not be more than 4 or 5 inches deep, but 
ordinarily from 6 to 8 inches of sand should be placed 
over the crowns, after they have had a thorough soaking 
with water. One or two additional waterings may be 
needed, or several waterings if the evaporation of mois- 
ture from the beds is very rapid. If there are compara- 
tively high temperatures, shoots may appear at the 
surface of the sand in two weeks, when they are ready to 
cut, though three to four weeks are usually required. 
Most excellent witloof may be grown in out-of-door 
trenches. They should be about 18 inches deep and 15 
