PREFACE 5 



but the greatest value to farming will come through building 

 up a permanent system of agriculture, based upon sound 

 principles. Such a system will mean for coming generations 

 bread for the eater and a life of contentment and joy for the 

 producer. 



To meet the demand set forth above, First Principles of 

 Agriculture has been especially written. As its name in- 

 dicates, it stresses the fundamentals of the science. The 

 lessons are concrete, calling for the study of actual illustra- 

 tive material which is readily available. Above all, the 

 authors have constantly kept in mind the fact that boys and 

 girls are to be its readers. Accordingly the book is written 

 simply and interestingly. 



D. D. M. 



