THE ROLE THAT TILLAGE PLAYS QI 



disciples believed. On the other hand, they do this : they 

 use only soluble substances such as are dissolved by the 

 water of the soil, and not the components that contain the 

 elements of food, but the elements that are dissolved 

 out of the earthy constituents. Hence, stirring the land 

 by tillage is helpful only in increasing the available food 



A GOOD JOB OF PLOWING 



It is a good plan to use the harrow while the soil is still fresh and moist just after 

 plowing. Then less effort will be necessary in preparing the seed bed 



by allowing soil water and air freer access throughout 

 the soil so that they may more easily and more readily do 

 their work. 



Now, these things being true, no particle, no matter 

 how small it may be, ever enters into the roots of plants. 

 Hence, tillage is not a direct source of plant food: it is 

 not additional nutriment: it is, on the other hand, the 



