CONTENTS. 



CHAPTER I. . Nitrogen, Phosphoric Acid, Potash. 



CHAPTER II, Covering the Soil. 



CHAPTER IH, Surface Manuring. 



CHAPTER IV, Water as a Solvent 



CHAPTER V, Tillage a Manure. 



CHAPTER VI, Green Manures. 



CHAPTER VII, . Green Corn as a Mulch for Wheat. 



CHAPTER VIII, Hungarian Millet. 



CHAPTER IX, Green Clover. 



CHAPTER X, Green Rye. 



CHAPTER XL Green Buckwheat. 



CHAPTER XII, White Mustard, 



