CONTENTS 



CHAPTER VII 



Manures 



Exhaustion of the soil 

 Action of manures 

 General and special mai 

 General manures 

 Farm-yard manures 

 Compost . 

 Waste products . 

 Green crop manures 

 Special manures . 

 Nitrogenous manures 

 Phosphatic manures 

 Bones 



Mineral phosphates 

 Super phosphates 

 Reduced phosphates 

 Thomas- Gilchrist Slag 

 Calcareous manures 

 Gypsum 



Potash manures . 

 Kainit 

 Common salt 



PAGB 



49 

 49 

 50 

 50 

 51 

 51 

 52 

 53 

 53 

 54 

 54 

 56 

 56 

 57 

 57 

 58 

 59 

 59 

 60 

 60 

 61 

 61 



CHAPTER VIII 



Rotation of Crops 



62 



CHAPTER IX 



Drainage 



66 



CHAPTER X 



Irrigation 



70 



CHAPTER XI 



Tillage Operations 



The Cutlass 

 The Rake . 

 The Hoe . 

 The Spade 

 The Fork . 

 The Dung Fork 



72 



73 

 73 



74 

 74 

 74 

 75 



