Hurat Srtents Serfes. 



Edited by PROFESSOR L. H. BAILEY. 



BOOKS which state the underlying principles of agriculture 

 in such language that they may be read at the home 

 fireside, in the office, at the club or grange, or used as 

 text -books. Each is substantially bound in blue cloth. 

 These books combine the results of the very latest and best 

 science with the best skill of practical farm work and manage- 

 ment. Each one is written by a specialist who has attained 

 reputation for long-continued and conscientious work. Each 



volume is readable, simple, clear-cut, practical, up 

 to date, and thoroughly scientific and reliable. The 



detailed information given in these volumes is of the most val- 

 uable character to every cultivator of the soil. Five volumes 

 are now ready: 



THE SOIL : Its Nature, Relations, and Fundamental 



Principles of Management. By F. H. 



KING, Professor of Agricultural Physics in the University of 

 Wisconsin. 303 pages, 45 illustrations. 75 CtS. 



It comprises an introduction, which discusses the making of soils 

 by natural agencies ; and chapters follow on the nature, functions, 

 origin and wasting of soils ; texture, composition, and kinds of 

 soils ; nitrogen of the soil ; capillarity, solution, diffusion, and 

 osmosis ; soil water ; conservation of soil moisture ; distribution 

 of roots in the soil ; soil temperature ; relation of air to the soil; 

 farm drainage ; irrigation ; physical effect of tillage and fertilizers. 

 It has received the warmest approbation of teachers and farmers 

 in all parts of the country. 



" I consider it a most desirable addition to our agricultural literature, and 

 a distinct advance over previous treatises on the same subject, not only for 

 popular use, but also for students and specialists, who will find many new and 

 useful suggestions therein." E. W. HILGAKD, 



Director of Agricultural Experiment Station, 

 Berkeley, Cal. 



THE FERTILITY OF THE LAND : A summary 



Sketch of 



the Relationship of Farm-Practice to the Maintaining 

 and Increasing of the Productivity of the Soil. By 



I. P. EGBERTS, Director of the College of Agriculture, Cornell 

 University. 440 pages; fully illustrated. $1.25 



