1893.] PUBLIC DOCUMENT — No. 33. 23 



kind and quality of fodder article depends on the function, 

 the kind and the age of the animal which consumes it. In 

 case of milch cows it is conceded that an allowance of 

 a loss of twenty iier cent, covers the amount of nitrogen, 

 phosphoric acid and potash which passes into the milk pro- 

 duced, and is thus lost as a manurial resource of the farm. 

 As our various fodder articles quite frequently differ luidely 

 from each other witJi reference to the amount of nitrogen, 

 phosphoric acid and potash they contain, it is but natural 

 that the obtainable manurial value of our different fodder 

 articles under otherwise corresponding, circumstances must 

 differ also more or less seriously. The more phosphoric 

 acid, potash and in particular nitrogen a given quantity of 

 a fodder article contains, the more valuable, considered from 

 a commercial stand-point, is the manurial refuse resulting 

 from its use. The subsequent abstract of our fertilizer 

 analyses of the different fodder articles used on the present 

 occasion may well serve as an illustration of the previous 

 statements. 



