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Kansas State Board of Agriculture. 



While the lines on the maps make it appear that the boundaries of these 

 regions are sharply defined, such is not the case. The progression is 

 (gradual and varies greatly in accordance with local conditions. Dates 

 in the same locality will also vary widely from year to year. Those 

 given are average dates for average years. 



PIG. 16. Alfalfa roots penetrating six feet beneath the surface of the soil. 

 The ideal alfalfa soil readily admits such root penetration. [Courtesy 

 John Deere & Co.] 



SOILS. 



An effort was made to learn the character of soil best suited to alfalfa. 

 Alluvial bottom land is much preferred throughout the state, and par- 

 ticularly in the western third, where it is very hard indeed to grow 

 alfalfa on upland in paying crops. The texture of the soil in which al- 



