SCIENTIFIC MANUAL. 



159 



[445] 



TABLE showing the amount of nitrogen, phosphoric acid, and potash 

 in one ton of the fresh dung and fresh urine of different animals, 

 and also of the drainage of the barn-yard. Talks on Manure HAIIR*S. 



FOODS WHICH MAKE RICH MANURES. 



TABLE Showing the amount of nitrogen, phosphoric acid, and pot- 

 ash in different foods, and the estimated value of a ton of manure 

 made from each. Originally prepared by J. B. Lawes, of Rotham- 

 stead, England. (Taken from Talks on Manures Harris.} 



*Middliugs. 

 fShipstuff. 



