OTHER AIDS TO FARMING 169 



for the business cheaper than any other soil food 

 element. 



There is three million dollars' worth of it rest- 

 ing upon every acre of our soil and owned by 

 every owner of the soil for the title to your land 

 according to the "law of the land/' extends up- 

 ward as far as you can see, and downward as far 

 as you can dig. This nitrogen is one of the main 

 elements of the air and is available for the use of 

 man, and God in his infinite goodness and wisdom 

 has provided the way and the means by which it 

 can be taken from the air and put into the soil 

 for the use of growing crops and for the benefit 

 of man. The way by which this nitrogen is taken 

 from the air and put into the soil is one of God's 

 mysteries, the unfolding of which to mankind is 

 more interesting than the unfolding of any of his 

 other mysteries of sky, earth, or water, and its 

 study is more entertaining than any entertain- 

 ment devised by man. 



The way is through the legumes those plants 

 that bear their seeds in a pod, which have upon 

 their roots the little tubercles or nodules, which 

 are nothing more than the cottages, or mansions, 

 or dwelling places of the teaming millions of bac- 

 teria that the unaided human eye can not see. 

 This infinitesimal insect life are the busy workers 

 that live lives of service; the service of drawing 

 the nitrogen from the air and working it up for 

 the soil's use, and the use of growing plants. 

 They give service to man, thus exemplifying the 

 wonderful law of service about which we have al- 

 ready written. 



And here again the human brain so wonderful 



