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OkANGE JUDD COMPANY 



New YORK CHICAGO 



Ashland Building People's Gas Building 



315-321 Fourth Avenue ISO Michigan Avenue 



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 any part of the ivorld, on receipt of catalog price. We are 

 always happy to correspond with our patrons, and cordially 

 invite them to address us on any matter pertaining to rural 

 books. Send for our large illustrated catalog, free on appli- 

 cation. 



First Principles of Soil Fertility 



By Alfred Vivian. There is no subject of more vital 

 importance to the farmer than that of the best method 

 of maintaining the fertility of the soil. The very evident 

 decrease in the fertility of those soils which have been 

 under cultivation for a number of years, combined with 

 the increased competition and the advanced price of labor, 

 have convinced the intelligent farmer that the agriculture 

 of the future must be based upon more rational practices 

 than those which have been followed in the past. We 

 have felt for some time that there was a place for a 

 brief, and at the same time comprehensive, treatise on 

 this important subject of Soil Fertility. Professor Vivian's 

 experience as a teacher in the short winter courses has 

 admirably fitted him to present this matter in a popular 

 style. In this little book he has given the gist of the 

 subject in plain language, practically devoid of technical 

 and scientific terms. It is pre-eminently a "First Book," 

 and will be found especially valuable to those who desire 

 an introduction to the subject, and who intend to do subse- 

 quent reading. Illustrated. 5x7 inches. 265 pages. Cloth. 



Net, $1.00 



The Study of Corn 



By Prof. V. M. Shoesmith. A most helpful book to all 

 farmers and students interested in the selection and im- 

 provement of corn. It is profusely illustrated from photo- 

 graphs, all of which carry their own story ani' contribute 

 their part in making pictures and text mattei a clear, con- 

 cise and interesting study of corn. Illustrated. 5x7 inches. 

 too pages. Cloth Net, $0.50 



