88 



Cole Crops 



plants mature the tuberous part becomes elongated. They 

 should be used when two to three inches in diameter; 



it is essential that they should 

 have grown quickly and con- 

 tinuously, otherwise they are hard 

 and bitter. Successive sowings 

 may be made at intervals of 

 two or three weeks to continue 

 the table supply. Do not hill up 

 the earth about the tuber. 

 White Vienna is the leading gar- 

 den variety. Kohlrabi is cooked 

 the same as turnips. The plant 

 33. Leaf of kohlrabi, show- ^ud a Icaf HrG shown iu Figs. 32 



Ing its long petiole and r,T-i/l QQ 

 characteristic blade. "^^^ '^^* 



PE-TSAI 



Grown as a potlierh for its great tuft of leaves and the 

 solid lieads, and also as salad for the blanched and tender 

 cores. It requires rich quich soil, abundance of water, 

 cool season. In warm weather and on poor dry land it runs 

 quickly to seed. Germination and growth are rapid. Good 

 strains of seed are important. 



As yet, no standard practices have been developed in North 

 America for the rearing of this crop. Its culture is to be 

 likened to that of kale. Plants may stand eventually 10 to 18 

 in. apart in the row, the plants being thinned for greens. 

 Worms and aphis are to be expected, as for cabbage. 



Under the name of Chinese cabbage and celery cabbage, 

 this plaQt is now attracting much attention, although a 

 full report was made on it, after repeated trials, more 



