CONTENTS. 



CHAPTER PAGE 



I. INTRODUCTION 1 



II. THE ATMOSPHERE .17 



III. THE SOIL 34 



IV. THE REACTIONS OCCURRING IN SOILS 51 



V. THE ANALYSIS AND COMPOSITION OF SOILS 82 



VI. MANURING AND GENERAL MANURES . 103 



VII. SPECIAL MANURES 132 



VIII. APPLICATION OF MANURES 161 



IX. THE ANALYSIS AND VALUATION OF MANURES 170 



X. THE CHEMICAL CONSTITUENTS OF PLANTS 179 



XI. THE PLANT 219 



XII. CROPS 234 



XIII. THE ANIMAL . 264 



XIV. FOODS AND FEEDING 281 



XV. MILK AND MILK PRODUCTS . .312 



XVI. THE ANALYSIS OF MILK AND MILK PRODUCTS, 348 



XVII. MISCELLANEOUS PRODUCTS USED IN AGRICULTURE .... 359 



APPENDIX 375 



INDEX . 383 



Vll 



