CONTENTS. 



CHAPTER I. 



Manures. — Stimulants: — Definition of; Their Sources, Pro- 

 perties, Applicability, and Behaviour; Determination of their 

 Value. 



CHAPTER II. 



Nitrogen.— Its role in Agriculture,— Its Source. 



CHAPTER m. 



Mineral Mandiies. — Their Saline contents indispensable to 

 the growth of Plants; — Modes of Application to the Soil; — 

 Increase of their Efficacy and Admixture with Nitrogenous 

 Matters; — The Best Manure Defined; — Chaviteau's Artificial 

 Manures;— J auffret's Compost; — Tables of the Analysis of 

 Vegetable Ashes. 



CHAPTER IV, 



NiTROGENODs Manukes.— Bam- Yard Manure,— Its Prepara- 

 tion and Mode of Application;— Analysis of the Normal 

 Manure and its Ashes. 



