xii TABLE OF CONTENTS 



Application. Nitrate of soda : Occurrence Extraction Com- 

 position and properties Adulteration Manurial value Applica- 

 tion Compared with sulphate of ammonia Exhaustive effects. 

 Other nitrates : Nitrate of lime. Nitrolim : Composition and 

 properties Application Experimental results . . p. 249 



CHAPTER XI. 



fOTASH MANURES. 



Sources Potash minerals Wood ashes. Potash salts Occurrence 

 Sylvine Sylvinite Carnallite Schonite Kainite Polyhalite 

 Kieserite Composition Manurial value Influence of 

 chlorides Comparison of sulphate and muriate Soils suitable 

 for Crops which require potash manures . . . />. 270 



CHAPTER XII. 



COMPOUND AND MISCELLANEOUS MANURES. 



Compoundmanures Turnip manures Potato manures. Miscellaneous 

 manures Common salt : Gypsum Copperas Magnesium 

 salts p. 287 



CHAPTER XIII. 



GENERAL MANURES. 



Guano Introduction Artificial Origin and occurrence Preserva- 

 tion of deposits Nitrogenous and phosphatic guanos Imports 

 Composition Manurial value Application. Sewage Sludge 

 manures Liquid manure. Vegetable manures : Green manures 

 Seaweed Waste cake Leaf-mould . . . . p. 292 



CHAPTER XIY. 



FARMYARD MANURE. 



The excreta Dung Urine. Litter: Straw Peat moss Dried 

 leaves Other litters Quantity of litter. Fermentation Non- 



