i8 



FARM CROPS 



ROTATION AND STABILITY 



One crop following another also enables the 

 farmer to better employ his labor, his tools and his 

 teams; it checks the spread and ravages of insects 

 and diseases. A single crop may fail or be low in 

 price, but of several crops 

 one or more is likely to be 

 in greater demand or higher 

 in price. 



And now we come to 

 humus. So many of our 

 soils need it. There is little 

 hope of making them highly 

 productive until humus is 

 put into them again. The 

 growing of cultivated crops 

 like corn or cotton deterio- 

 rates the soil, not only be- 



MEADOW FESCUE AND CaUSC P lant f d is taken 



BROME GRASS out or washed away, and the 



The meadow fescue is physical condition of the 



thS 



Soil 



left. Both are excellent the vegetable matter is used 



for pasture and hay. They 

 are specially desirable 



in 



both are of long duration. 

 Both are well known in 

 the South and in the semi- 

 arid regions. The brome 

 grass is being used to re- 

 place the common Buffalo 

 grass of the prairies. 



up. All kinds of stubble and 

 weeds, clover roots, stable 

 manure and green manure 

 are needed to supply the ex- 

 hausted vegetable matter, 

 and bring the soils back to 

 the productive condition that they were in before 

 the plant food and humus were drawn out. 



WHAT THE TILLER MUST DO 



If, then, land is to be made rich and kept rich, 

 the tiller must keep these things in mind: He must 



