CONTENTS. V 



MM 



Food of animals must contain starch (carbon), 78 



Food rich in fatty matter soonest fattens stock, 81 



Food of cattle should be sweet, . . 84 



Food of hogs best soured, 84 



Food requisite to keep a horse in good condition, (A. 45) 106 



Food of hogs, its different results, (A. 46) . . 106 



Gluten, 31 



Gelatine of bones as a manure, 55 



Guano for turnips and potatoes, .. 66 



Guano for grain and corn crops, 66 



Gypsum, 69 



Gluten essential as a part of the food of animals, .... 80 

 Growing animals and full-grown ones require different 



food, 81 



Gluten, how separated from flour, (A. 18) . . 93 



Hydrogen, 15 



Heavy or clay lands, how made to yield profitable crops, 41 



Hair as a manure, 57 



Hydrogen gas, how made, (A. 3) . . 87 



Humic acid, how formed, (A. 17) . . 92 



Introduction, 9 



Iron, 22 



Importance of organic matter in the soil, 36 



Importance of drains, . . 39 



Inorganic food of plants, 41 



Inorganic substances essential for the growth of plants, . 42 



Importance of rotation of crops, 47 



Knowledge essential to the farmer, 14 



Kelp as a manure, 70 



Lime, 21 



Limestone, its varieties, 71 



Lime, what lands most improved by it, 71 



Lime, how detected in land, 72 



Lime as a manure, how and when applied, 76 



Law of chemical combinations, (A. 32) . . 100 



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