Classification
|
171
|
|
|
Importance of farm manures
|
172
|
|
|
Barn or stable manure
|
173
|
|
|
Loss of value
|
173
|
|
|
Checking the losses
|
176
|
|
|
Applying the manure to the soil
|
177
|
|
|
Proper condition of manure when applied
|
179
|
|
|
Composts
|
181
|
|
XX.
|
Farm Manures, Concluded
|
183
|
|
|
Green-crop manures:
|
|
|
|
Functions
|
183
|
|
|
Benefits
|
185
|
|
|
Character of best plants for green-crop manuring
|
185
|
|
|
The time for green-manure crops
|
186
|
|
|
Leguminous green-manure crops
|
186
|
|
|
Non-leguminous green-manure plants
|
191
|
|
XXI.
|
Commercial Fertilizers
|
192
|
|
|
The raw materials
|
192
|
|
|
Sources of nitrogen
|
193
|
|
|
Sources of phosphoric acid
|
195
|
|
|
Sources of potash
|
199
|
|
|
Sources of lime
|
200
|
|
XXII.
|
Commercial Fertilizers, Continued
|
202
|
|
|
Mixed fertilizers:
|
|
|
|
What they are
|
|
|
|
Many brands
|
|
|
|
Safeguard for the farmer
|
|
|
|
Low grade materials
|
|
|
|
Inflating the guarantee
|
202
|
|
|
Valuation
|
205
|
|
|
Low grade mixtures
|
207
|
|
|
Buy on the plant food basis
|
209
|
|
XXIII.
|
Commercial Fertilizers, Concluded
|
211
|
|
|
Home mixing of fertilizers
|
211
|
|
|
Kind and amount to buy
|
212
|
|
|
The crop
|
213
|
|
|
The soil
|
215
|
|
|
The system of farming
|
215
|
|
|
Testing the soil
|
215
|
|
XXIV.
|
Rotation of Crops
|
219
|
|
|
Systems of cropping
|
219
|
|
|
The one crop system
|
221
|
|
|
Rotation of crops
|
224
|
|
|
Benefits derived from rotation of crops
|
230
|
|
|
The typical rotation
|
231
|
|
|
Conditions which modify the rotation
|
232
|
|
|
General rules
|
233
|
|
|
Length of rotation
|
233
|
|
XXV.
|
Farm Drainage
|
235
|
|
|
How surplus water affects fertility
|
235
|
|
|
Indications of a need of drainage
|
235
|
|
|
Drains:
|
|
|
|
Surface drains
|
|
|
|
Open ditch drains
|
|
