CHAPTER XXX 

 CONCLUSION: A BIT OF PHILOSOPHY 



We have now followed the progress of soil building 

 followed it in history as men have labored and struggled 

 to deduce fundamental principles and laws ; followed it 

 from the time the earliest soil workers and soil makers 

 began their work ; followed it as the elements of plant 

 food are taken up and converted into luscious and nutri- 

 tious food for animal and man ; followed it as the opera- 



ONE KIND OF FARMING THAT IMPROVES THE LAND 



Let your farm be a factory, a farm-factory, where most of the crops raised 

 shall be consumed as feed for live stock 



tions of tillage have gone on making the soil better and 

 more productive ; followed it as the bacteria, the good 

 fairies of the soil, have rendered plant food available and 

 air nitrogen assimilable ; followed it as water is taken into 

 the soil, and as it is removed by plant and by imperfect 

 soil management; followed it as sun and air and rain help 

 or hurt; followed it as every implement of tillage and 



