INDEX. 



Potash, cost of 37 



Potash, sources of 27 



Purchasing, general principles 39 



Purchase of fertilizer 32 



Roots 8 



Reversion of phosphates 24 



"Simples" 42 



Soil analysis, value of 61 



Soils, composition of 11 



Soils, fix phosphorus 24 



Soils, drainage of 16 



Soils, physical condition 15 



Source of fertilizers 19 



Solubility in different soils 30 



Stable manured 53 



Steamed bone 25 



Straw, fertilizing value 64 



Summer cover crop 56 



Thomas phosphate slag 25 



Unnecessary fertilizers, avoiding purchase 50 



Use of fertilizers 47 



Vetch, common, fertilizing value 64 



Vetch, green manure 54 



