AMOUNT OF LIME PER ACRE 



stations, justify the estimate that two tons of 

 fine stone, or one and a quarter tons of fresh 

 burned lime per acre, can be used with 

 profit. This amount probably will permit 

 fertilizers and tillage to make their full re- 

 turn in heavy sods that will provide humus. 

 It is a reasonable expectation that the appli- 

 cation will serve through a crop rotation of 

 four or five years. 



If the soil was not very sour, the second 

 application at the end of four or five years 

 may be reduced somewhat, and even a ton 

 of stone given once in the crop rotation may 

 fully meet the requirement. 



In the case of the normal soil that has 

 ceased to grow clover, and does grow plants 

 that are acid-resistant, it is better practice to 

 secure a relatively low-priced supply of 

 coarsely pulverized stone and apply three 

 or four tons per acre, and thus lengthen the 

 interval between applications to eight or 10 

 years. The fine material in the heavy 

 application will take care of present need, 

 and the coarser particles will disintegrate 

 later on. 



The quantities suggested may not be the 

 most economical for the reader, but their 

 use cannot be attended by loss if a soil is 



83 



