VI 
CONTENTS 
CHAPTER V 
Animal Manures 
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 ma- 
nure versus rotten manure — Composting manures — Time 
of application — Method of application — Rate of applica- 
tion — Night' soil. 
CHAPTER VI 
Green Manures and Cover Crops 
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 — Cowpea 
— Soy bean — Fertilizing green manurial crops — When to 
plow under green crops. 
CHAPTER VII 
Commercial Fertilizers 
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 fer- 
tilizers. 
CHAPTER VIII 
Irrigation 
The extent — Opportunities — Functions — The benefits 
— The furrow method — Hose applications— Subirrigation 
—The overhead system. 
CHAPTER IX 
Insect Enemies and Diseases 
Importance of controlling — Preventive measures 
—Spraying — Spray pumps ana dusters — iMozzles — insec- 
ticides — Arsenate of lead — Par.s green — Hellebore — 
Kerosene emulsion — Carbolic acid emu.sion — Tobacco — • 
Soaps — Miscellaneous insecticides — Bordeaux mixture — 
"Sticker” or adhesive. 
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