205 CULTIVATION. 



advisable until they have been under-drained, as 

 excess of water prevents its effects from being per- 

 manent. 



CHAPTER Y. 



PLOWING AND OTHER PROCESSES FOB 

 PULVERIZING THE SOIL. 



THE advantages of pulverizing the soil, and the 

 reasons why it is necessary, have been sufficiently 

 explained to need no further remark. Few farmers, 

 when they plow, dig, or harrow, are enabled to give 

 substantial reasons for the operation. If they will re- 

 flect on what has been said in the preceding chapters, 

 concerning the supply of mineral food to the plant 

 by the soil, and the effect of air and moisture about 

 the roots, they will find more satisfaction in their 

 labor. 



PLOWING. 



The kind of plow used in cultivating the surface- 

 soil, must be decided by the kind of soil. This 

 question the practical, observing farmer will be able 

 to solve. 



As a general rule, it may be stated that the plow 

 which runs the deepest, with the same amount of 



