INDEX. 



Drainage, 91 



advantages of, 9496 



a means of getting water 



into land, 100 



by Elkington's system, 104 



by open ditches, 104 



causes of wetness, 93 



capillarity in, 103 



effects of, on crops, 107 



effects on health of farm 



stock, 108 



effects on health of popula- 



tion, 108 



effects on health of tillage, 



108 



effects on heavy and light 



soils, 98 



evaporation of moisture, 99 



Government grants for, 



108 

 naturally dry soils, 92 



of springs, 105 



pulverization by, 97 



reciprocal action in, 100 . 



Smith's system of, 101 



the furrow system of, 101 



water table or " reservoir," 



92, 103 



wetness in soils, 93 



EXPERIMENTS, agricultural mode 

 of conducting, 179 



at Rothamsted, 166176, 



207 



at Woburn, 207 



FALLOWING land, 185 



Farm horses, cost of, 218, 219 



Fertility, condition of, 4042 



indications of, 43 50 



Fertilizers, farm-yard manure, 146 



154 

 effect of climate on, 158 



general manure, 148 



" law of minimum," 165 



nitrogeneous, 155 



phosphatic, 155 



special, 164 



varieties of, 161 



Fodder crops, 132, 138 



GENERAL manures, 148 

 Geological classes of soils, 89 



peaty, 90 



sedentary, 89 



transported, 89 



volcanic, 90 



order of Bagshot sands, 59 



oolites, 7476 



Cambrian, 86 



chalk formation, 67, 70 



coal-fields, 83 



Fen country, 63 



greensand, 72 



lias, 78 



Laurentian, 86 



Silurian, 86 



London clay, 58, 65, 66 



magnesian limestone, 82 



marsh land, 63 



mountain limestone, 84 



new red sandstone, 60, 79, 



80,81 

 old red sandstone, 86 



- peat, 60 



recently formed soils, 61 



riverbeds, 61 



rocks, 55, 57 



- weald, 73 



wolds, Lincolnshire, 62 



