On the Kohl-Rabi. 
509 
Fig. 9. — Leaf of Common green vnrieties. Fig. 10. — Leaf of purple varieties. 
may be grown to the greatest advantage. In the preparation of 
the soil the same course may be followed as for the turnip-crop. 
Manuring. 
Kohl-Rabi requires heavy manuring : not less than 25 tons of 
farmyard manure, with 6 cwt. of good superphosphate, and 2 cwt. 
of common salt, should be used. Where, however, it can be 
obtained, 4 cwt. of Phospho-Peruvian guano may, with advantage, 
be substituted for the superphosphate, as it contains, in addition 
to a large amount of soluble phosphates, sufficient ammonia to 
give the plants a fair start. It is a good plan to mix tliis guano 
thoroughly with an equal weight of sand or fine ashes, so as to 
insure its equal distribution in the soil. "When guano alone is 
