22 FIELD CROPS 



unusual excellence. This plan often results in materially 

 increased profits, but only a portion of the farm should be 

 devoted to any particular crop each year. It is often the 

 case that unfavorable conditions which cause a partial or 

 complete failure of one crop may be suitable for another. 

 In diversity of crops there is safety. Some of the reasons 

 for diversification and systematic crop sequence are given 

 in the chapter on Crop Rotation. 



REFERENCES 



Domesticated Animals and Plants, Davenport. 



Origin of Cultivated Plants, De Candolle. 



Cereals in America, Hunt. 



Field Crop Production, Livingston. 



Productive Farm Crops, Montgomery. 



Geography of the World's Agriculture, Finch and Baker. 



