152 THE KITCHEN-GARDEN. [chap. vi. 
which has been dug over, or trenched to the 
depth of eighteen inches or two feet. The 
plants require no other care than an occa¬ 
sional autumn or spring coating of manure 
to be slightly forked in, this dressing to be 
only applied, when, from the leaves and stalks 
produced being smaller than usual, the roots 
appear to want nourishment; and if they 
seem crowded, they may be occasionally 
taken up and replanted further apart. Rhu¬ 
barb may be forced by covering it with pots 
and manure, like sea-kale; or the roots may 
be planted in a box, and kept in the house 
on a stove, or near the fire in the kitchen, 
covering the box with a bast mat to keep the 
plant in darkness and free from the dust, and 
watering it frequently. 
Horse radish grows best in rich alluvial 
soil; and it is propagated by cuttings of the 
crowns of the roots, each about two inches 
long. The ground is then prepared by 
trenching at least two feet deep, and the 
cuttings or sets are planted in a kind of 
furrow about fifteen inches deep, with their 
crowns upwards. The second year the roots 
may be taken up, and the crowns cut off and 
