148 FERTILITY AND FERTILIZER HINTS 



Page 103 — Full comment on sulphates of soda and magnesia. 



Page 104— Representation of the forms of lime, sources of carbonate of lime, 

 and analyses of lime and limestone. 



Page 106— Experiments showing the effect of the form of lime on crop pro- 

 duction, the fertility of the soil, and on soils rich in organic matter. 



Page 106 — Amounts of lime removed by crops ; amount of lime in soils. 



Page 107— An extensive article on the acidity of upland soils, including 

 observations on growing plants, effect of lime in conjunction wiih 

 nitrate of soda and ammonium sulphate. 



Page 108— Analyses of gas lime. 



Page 108 — Analyses of gypsum ; effect of gypsum on clover ash and discus- 

 sion. 



Page io9~Fertility restored b}^ some plants ; amount of nitrogen obtained 

 from the air. 



Page 112 — Statistics given the cost of manufacture, cost of products, number 

 of tons manufactured, consumption and distribution of fertilizer by 

 states. 



Page 114 — Output of fertilizer factories, cost of nitrogen, of phosphoric acid, 

 and of potash ; classification of commercial fertilizers. 



Page 116 — Discussion of the requirements of fertilizer laws, comparison of 

 the laws, model fertilizer law, comments on model law, tentative defi- 

 nitions of fertilizers and of misbranding and adulteration. 



Page 117— Converson factors. 



Page 118— A list of one manufacturer's brands with simplified guarantees. 

 Purity of raw materials as a basis of purchase. 



Page T25— Commercial values of tankage and bone. Comments regarding 

 valuations. Valuations show the cost of plant food. Objections to 

 valuations. Points in favor of valuations. Valuations in other states. 

 Chapter on high, medium and low grade fertilizers, including fillers, 

 cost of different grades, the 100 per cent, of fertilizers and other inter- 

 esting data. 



Page 128 — Amount of plant food purchased for I30 in factory and home 

 mixed fertilizers. Selling prices and valuations. Analyses, cost, and 

 valuations of home mixtures. 



Page 131— A system of rebating when materials fail to reach the guarantee. 



Page 133 — Home mixture formulas. How to determine the requirements of 

 the soil. 



Page 135 — Number of brands sold in Georgia for several years. 



Page 136— Examples of different prices for grades of cotton-seed meal with 

 comment. 



Page 137 — Fertilizer recipes or patent formulas with a discussion of the 

 same. 



Page 137 — Table showing results on fertilizers kept in storage. Incompati- 

 bles in fertilizer mixtures, .showing materials that may and may not 

 be mixed together. 



