MIXING. 37 



is continued until the first layer of the heap is of 

 the desired width and length, when a second layer 

 is formed in the same way. After finishing each 



5. Mixing soil. Breaking and pulverizing the sod pre- 

 paratory to putting 1 it down with layers of manure. 



layer the bone meal may be sown thinly over the 

 surface. Put it on about as thick as is done in sand- 

 ing or sawdusting a floor. Working in this way, 



