WHEEL -HOBS 23 



are now made in great variety of patterns, to suit 

 any taste and almost any kind of tillage. For 

 the best results, it is essential that the wheel 

 should be large and with a broad tire, that 

 it may override obstacles. Fig. 15 shows an 

 excellent type of wheel -hoe with five blades, 



14. Spike-tooth and spring-tooth cultivators, to be used 

 where harrows cannot be employed. 



and Fig. 16 shows one with a single blade and 

 which may be used in very narrow rows. Two- 

 wheeled hoes are often used, particularly when it 

 is necessary to have the implement very steady, 

 and they may be used to straddle the rows of 

 low plants. Many of these wheel -hoes are pro- 

 vided with various types of blades, so that the 

 implement may be adjusted to many kinds of 



