T 



THE RURAL SCIENCE SERIES 



HE FERTILITY OF THE LAND: A 



Summary Sketch of the Relationship of 

 Farm-Practice to the Maintaining and In- 

 creasing of the Productivity of the Soil. 

 By I. P ROBERTS, Director of the College of Agri- 

 culture, Cornell University. 



SECOND EDITION 432 PACES 45 ILLUSTRATIONS JI.25 



This work, written by one who has been termed 

 "the wisest tanner in America," lakes up the treat- 

 ment of the soil from the standpoint of the farmer 

 rather than that of the scientist. It embodies the 

 results of years of careful experimentation and obser- 

 vation along practical lines, and will he found help- 

 ful and inspiring to a marked degree. No other one 

 book could l>«- so heartily recommended to the pro- 

 gressive farmer, on subjects of vital interest to him. 

 as this fresh ami interesting series of talks — for Pro- 

 fessor Roberts Beems to be personally addressing the 

 reader. 



'I'm. i'i:i;ni.i i -, oi THi Land Includes A Chal with the Young 

 Farmer; Inventor] of the Land ; Evolution of the Plow (fully illus 

 trail-. I ; 'lli.- Meant and Philosophy of Tilling the Land (telling how 

 ninl why we >h'>ulil plow, barrow, etc.); Conserving Moisture ; Irrl 

 gation and l>r:iin:.L-i- : Manures (in four unique, Illustrated ohap 

 ; Potash and Phosphoric Acid ; Lime and other 



lugs; Commercial Fertilisers ; Tin- I' t" Clovers, Fallows 



and Rotations : Appendix. 



hurt, tin- boos will I... found helpful t.. the former, In thai ll will 

 him to t.'" through the routine of hia everj 



•-■• itli -kill ninl I 

 Uardt a and I 



