RURAL LEGISLATION 



wood ashes, unheated phosphate rock, garbage tankage 

 and pulverized natural manures, when the minimum 

 per centum of total phosphoric acid may be substituted. 

 This latter applies only in those states where raw mate- 

 rials are subject to inspection. 



(c) Potash soluble in distilled water. 



It is possible to comply with the law and 

 yet state the guarantee upon each bag of 

 fertilizer in such a manner as to mislead the 

 uninformed. It is not the purpose of this 

 book to deal with such technical details, but 

 if the purchaser of commercial fertilizers is 

 not already well acquainted with fertilizer 

 terms, he should secure an elementary text- 

 book on the subject or write to his state ex- 

 periment station for a bulletin discussing 

 them. 



FEEDING STUFF CONTROL 



The law controlling the sale of stock foods 

 is of more recent origin than the fertilizer 

 control act and has not been so universally 

 adopted up to the present time. The neces- 

 sity for such a law arises from the growing 

 use as stock foods of various by-products in 



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