VI CONTENTS 



CHAPTER V 

 STABLE MANURES 41 



Extent used Manure as a source of humus Manure as 

 a source of plant food Horse manure Cow manure 

 Hog manure Sheep manure Hen manure Cost of horse 

 manure Transportation of manures Fresh manure ver- 

 sus rotten manure Composting manures Time of appli- 

 cation Method of application Rate of application- 

 Night soil. 



CHAPTER VI 

 GREEN MANURES AND COVER CROPS 53 



As a source of humus Extent used The selection of 

 crop Red clover Mammoth clover Crimson clover- 

 Rye Hairy vetch Oats and Canada field peas Covvpea 

 Soy bean Fertilizing green manurial crops When to 

 plow under green crops. 



CHAPTER VII 

 COMMERCIAL FERTILIZERS 58 



The necessity of commercial fertilizers The use of 

 nitrogen The use of phosphoric acid The use of potash 

 Rate of application Dangers of excessive applications 

 The use of lime Related questions Methods of appli- 

 cation Purchasing fertilizers The home mixing of ferti- 

 lizers. 



IRRIGATION 72 



The extent Opportunities Functions The benefits 

 The furrow method Hose applications Subirrigation 

 The overhead system. 



CHAPTER IX 

 INSECT ENEMIES AND DISEASES 85 



Importance of controlling Preventive measures Spray- 

 ing Spray pumps Nozzles Insecticides Arsenate of 

 lead Paris green Hellebore Kerosene emulsion Car- 

 bolic acid emulsion Tobacco Soaps Miscellaneous in- 

 secticides Bordeaux mixture "Sticker" or adhesive. 



