CONTENTS. v 



p.Mir, 



Night Soil 113 



Hog Manure 11 -3 



Poultry-house Manure 116 



Sheep Manure 118 



Guano 118 



CHAPTER VII. 



Other Organic Manures 120 



])ea<l animals 120 



Bones 121 



Fish 121 



Woollen Rags, etc 122 



Organic Manures of Vegetable Origin 1 23 



Spent Tan-bark 1 24 



Sawdust and Soot 125 



Green Crops 1 2(! 



I ition of Moisture 1 2 s 



Distribution of Manures 129 



CHAPTER VIII. 



Mineral Manures 130 



CHAPTER IX. 



Deficiencies of Soils, Means of Restoration, etc 1 :V> 



Alkalies Potash 136 



Soda 138 



Lime 140 



Plaster of Paris 147 



Chloride of Lime 147 



Magnesia 148 



Acids Sulphuric Acid 148 



Phosphoric Acid 150 



Bones 1 53 



Super-Phosphate of Lime 156 



Silicic Acid 160 



Neutrals Chlorine 1 60 



Oxide of Iron 161 



Oxide of Manganese 161 



Various other Earthy Manures Leached Ashes 162 



Old Mortar 162 



Gas House Lime, etc 1 63 



Soapers' Ley and Bleachers' Ley 164 



Irrigation 164 



Mixing Soils 167 



CHAPTER X. 



Atmospheric Fertilizers 169 



Ammonia 1 70 



Carbonic Acid 172 



Oxygen 173 



Water 174 



