CONTENTS IX 



PAGES 



Soil Analysis and Fertilizer Tests 54 



Field tests to determine fertilizer needs, 56. 



Analyses of Various Chemical Fertilizer and Belated Materials . 57 

 Dissolved bone-black, 57 Bone charcoal, 57 Ground bone, 

 57 Dried blood, 58 Dry ground fish, 58 Sulfate of ammo- 

 nia, 58 Sulfate of potash, 58 Sulfate of magnesia, 58 Nitrate 

 of Soda, 58 Muriate of potash, 58 German potash salts, 58 

 Kainit, 59 Land-plaster or gypsum, 59 Ashes, unleached, 69 

 Ashes, leached, 59 Coal ashes, bituminous, 59 Coal ashes, 

 anthracite, 59 |Gas-lime, 59 Seaweed, 60. 



Fertilizer Formulas for Various Crops ...... 60 



Formulas suggested by Maine Experiment Station, 60 Specific 

 mixtures for different crops, 63. 



Lime for the Land 77 



To determine whether a soil is acid, 77 Application of lime, 

 78 Forms of lime, 78 Fineness of division, 79 Classification 

 of lime for agricultural purposes, 79. 



CHAPTER IV 



FARM MANURES, AND SIMILAR MATERIALS 81-91 



Composition and Characteristics of Manures ..... 81 

 Cattle manure, 81 Stable or horse manure, 81 Sheep ma- 

 nure, 82 Hog manure, 82. 



Composition of Manure from Different Animals . . . .82 

 Composition of fresh excrement of farm quadrupeds, 83 Com- 

 position of drainage liquors, 83 Composition of litter, 84 

 Poultry manures, 84. 



Utilization of Manures 85 



Rate of production, 85 Use of manures, 86 Commercial 

 value, 86 Losses by leaching, 87. 



Further Analyses of Animal Excrements ...... 88 



Common barnyard manure, fresh, 88 Common barnyard 

 manure, moderately rotted, 88 Same, thoroughly rotted, 88 . 

 Cattle-feces, fresh, 88 Cattle-urine, fresh, 88 Horse-feces, 

 fresh, 88 Horse-urine, fresh, 89 Sheep-feces, fresh, 89 

 Sheep-urine, fresh, 89 Swine feces, fresh, 89 Swine-urine, 

 fresh, 89 Peruvian guano, 89 Human feces, fresh, 90 Human 

 urine, fresh, 90 Sewage, 90. 



Analyses of Fruit and Garden Products, with reference to their Fer- 

 tilizing Constituents 90 



