INDEX. 



Acidulated Phosphates 11 



Agricultural Value 32 



Analysis Adding to 100 per cent 28 



Analysis of Fertilizer, How to Understand 30 



Analysis of Soil 47 



Applying Fertilizers, Time for 37 



Applying Fertilizers, Amount 38 



Applying Fertilizers, Method 39 



Availability 16 



Bone 12 



Commercial Value 32 



Cultivation, Relation to Fertilizers 44 



Economical Form of Fertilizers 23 



Essential Plant Food 6 



Example of Fertilizer worth $5.30 per ton 24 



Example of Fertilizer worth $36.00 per ton 25 



General Principles, Effect of Fertilizers 36 



High Grade Fertilizer, Example 25 



Home Mixtures 27 



Humus (Organic Matter) 42 



Insolubility, Desirable 17 



Irrigation, Relation to Fertilizers 45 



Lower Grade Fertilizer, Example 26 



Manure, Green 41 



Manure, Stable 39 



Nitrification 10 



Nitrogen, Cost of. 22 



Nitrogen, Effect of. 34 



Nitrogen from Air 10 



Nitrogen, Sources of. 8 



