PREFACE TO THE 

 NEW EDITION 



THE most amazing fact in modern agri- 

 culture is the rapid rise of dry-farming. 

 Within the space of a few years it has be- 

 come a world problem. In this edition 

 some amendments have been made, in- 

 cluding a new chapter on the "Principles 

 of Land Settlement." The author wishes 

 to again emphasize the value of the 

 moisture-saving fallow in helping the 

 farmer to overcome drought. Further- 

 more, he would point out that the meth- 

 ods of dry-farming may be employed, 

 with great advantage, in humid countries. 

 For example, it often happens that a 

 region having a rather heavy rainfall of, 

 say from 30 to 40 inches per annum, may 

 xv 



