OTHER FORMS OF LIME 



lime. If the unburned cores of kilns are 

 ground up, the material simply retains the 

 value of unburned stone. Any air-slaked 

 material put into it has like value. Fork- 

 ings, ground up, have less value, and some- 

 times no value at all. Some better material 

 may go into this mixture that is given the 

 name "agricultural lime," and the product 

 cannot be standardized or have a valuation 

 given it that would be true for another lot. 



Some manufacturers are marketing limes 

 of fair values under this designation, but the 

 values change as the material changes. 

 There are other manufacturers who are put- 

 ting poor stuff on the market. Unless one 

 knows the manufacturer and his processes, 

 he should not pay a great deal for "agri- 

 cultural lime." It is much better to buy a 

 high-grade lime or limestone that is more 

 nearly constant in composition. When the 

 word "agricultural" is part of the brand, 

 there is assurance that the percentage of 

 waste stuff in it is relatively high. Unless 

 one knows to the contrary, he should assume 

 that a ton of finely pulverized limestone is 

 worth more per ton than "agricultural 

 lime." 



Marl. Marls vary in composition, as 



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