SOIL SURVEY OF LOUISA COUNTY, IOWA. 



11 



Normal monthly, seasonal, and annual temperature and precipitation at Columbus 



Junction. 



(Elcyation, 595 feet. Length of record, 10 years.) 



I Snowf.iU record for Washington, Washington County. 



AGRICULTURE. 



From the time of the first settlement b}^ white persons, agriculture 

 has been the sole industry of Louisa County. During the early 

 years of settlement grain farming was followed almost exclusively, 

 wheat, corn, oats, and flax being grown. As the population increased 

 live-stock farming grew in importance. 



The corn acreage in 1910 was slightly higher than in 1880, that of 

 rye slightly less, and that of wheat only two-thirds as large, while 

 oats and hay each more than doubled in acreage. The area in barley 

 increased from less than 100 acres to 766 acres. Practically no 

 change is shown in the acreage devoted to Irish potatoes and sweet 

 potatoes. From 1900 to 1910 the value of dairy products decreased 

 from $122,105 to $79,104, while that of animals sold or slaughtered 



