EFFECT OF NITROGENOUS FERTILIZERS. 175 
TABLE 28.— Conrinvuep. 
{ PERCENTAGE COMPOSITION OF CORN STOVER 
CALCULATED ON, WATER-FREE SUBSTANCE. 

Plot No. and kind and amount Kind of Labora- 




_ Year. of fertilizer per acre. experiment. tory Nitrogen 
° |Protein.| Fat. free | Fiber. | Ash. 
extract. 
Dissolved boneblack, 320 lbs. 
Murtate of potash, 160 lbs. 
Dried blood, 200 lbs. (nitro- 
gen, 25 lbs.) Per ct.|Per ct.| Per ct. |Per ct.|Per ct. 
1889 PiCtel3, |. « ‘ - |Spe. nitrogen} 718 | 4.56] 1.76 54. 7433. 31a 
1889 13, 5 746 | 4.69] 1.84] 52.89] 34.00] 6.49 
Average, 4.62; 4.80) 53.82) 33.70} 6.06 

Dissolved boneblack, 320 lbs. 
| Murtate of potash, 160 lbs. 
_ |Drted blood, goo lbs. (nitro- : 
gen, 50 lbs.) 




» 1889 lotend.\ : - |Spe. nitrogen} 720 | 4.50| 1.92) 53.32] 34.74] 5.52 
_ 1889 Ly hey 4 748 | 3.69) 1.97) 53.49} 34.89} 5.96 
: Average, 4.40) 3.94 53.4f) 34.81) 5.74 
Dissolved boneblack, 320 lbs. ; 
Muriate of potash, 160 lbs. 
Dried blood, 600 lbs. (nitro- 
| gen, 75 lbs.) 
1889 Eiotals y ; - |Spe. nitrogen} 722 | 4.38] 1.70/ 53.82] 34.45 5.65 
1889 15, : ; si 750 1 4450) 2.10)” 62.05/35. atl aeeece 
Average, 4.47; 1.90) 52.93) 34.93) 5.77 




| 
| 
al 
