EXPERIMENT STATION BULLETINS. 



251 



The following analyses are inserted inasmnch as numerous letters are 

 received yearly requesting information on the goods mentioned in this 

 table. These analyses are not original with this bulletin, but are compiled 

 from various sources and represent a great variety of conditions. The 

 averages here given should therefore represent more closely the average 

 farmer's condition than would specific and individual analyses : 



Authority. 



Landwirtschaftlicher Kalender, 1896 



U. S. Dept. Agriculture, 1894. 

 Roberts— Fertility of Land. . . 



Michigan Experiment Station . 

 <i (i ■( 



Soils and Fertilizers — Snyder. . 



It (t «i 



Product. 



Fresh barnyard manure. 



Well rotted manure 



Fresh horse manure . . . . . 



" cow " 



" sheep " 



" hog " 



" hen " 



" horse urine 



" cow " 



" sheep " 



" hog " 



Wood ashes, unleached. 



" " leached.... 



Hard coal ashes 



Soft " " 



Nitrogen. 



0.39^ 

 0.58^ 

 0.58^ 



OAifa 



0.83% 

 0.45% 

 1.10% 

 1.55% 

 0.58% 

 1.95% 

 0.43% 



Phosphoric 

 acid. 



0.18% 

 0.30% 

 0.28% 

 0.17% 

 0.23% 

 0.19% 

 0.85% 



0.83% 



1.68% 

 1.43% 

 0.10% 

 0.40% 



Potash. 



0.45% 

 0.50% 

 0.53% 

 0.35% 

 0.67% 

 0.60% 

 0.56% 

 1.50% 

 0.49% 

 2.26SS 



4.24% 

 0.36% 

 0.10% 

 0.40% 



