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Summing up the advantages of summer-fallowing, it may be said 

 that it clears the land of troublesome weeds ; improves the physical 

 condition of the soil, and makes available a larger amount of 

 food and water supply. As to whether the fallow should come every 

 second or third year will depend entirely on the character and condition 

 of the land, and the moisture available. Every arid farmer will have 

 to study his own conditions and determine his policy from a knowledge 

 of his particuar needs. — Utah State Farmers' Institute, 1907. 



