162 STORRS AGRICULTURAL EXPERIMENT STATION. . 
TABLE 25.— LZffects of nitrogenous fertilizers upon hay of mixed grasses, 
[The details of the analyses may be found in the Reports of the Station for the years in which | 
the several experiments were made or for the succeeding year. ] 

PERCENTAGE COMPOSITION OF HAY CALCU- 
LATED ON WATER-FREE SUBSTANCE. 




45) | 
: ; Labora- 
t . 
ase| Beenie posing dimen amt Ne. Nitrogen) __ 
Protein.| Fat. free Fiber. | Ash. 
extract. 
Nothing. Pr. ct.|Pr. ct.| Pr. ct. |Pr. ct |Pr. cau 
18g0|Plot o, 4 . |Spe. nitrogen| 804) 7.25) 3.72} 52.56] 31.45) 5.02 © 
18g0 Duplicate of last, 5 hi 805} 7.06] 3.68] 53.27] 31.16] 4.6am 
1890 oO, ‘ ie 806} 7.13) 3.61] 52.75} 31.59) 4.92 — 
1890 Duplicate of last, : re 807} 7.50} 4.28} 51.99] 31.16] 5.07 © 
1890 o, Duplicate of above, i 824] 7.63} 3.50| 52.75] 31.07] 5.Ommm 
1890 00, Duplicate of above, e 825) 7.56) 3.76) 52.27| 31.20) 5. 2a 
1891 O, ; . Q , ry 990} 6.44} 3.38! 54.58] 31.06) 4.54 | 
1891 oo, . : : ; as 991; 7.31) 3.94] 52.01) 31.72! 5.02 | 
1892 % : : ; , eS 1,054, 7.609] 3.17} 51.43| 32.57| 5.iammn 
Average, ..- | 7.29] 3.67} 52.62) 33.44 4°98 | 
Dis. boneblack, 320 lbs. 
Mur. of potash, r6o lbs, 
Nitrogen, — 
1890|Plot6a,_ . . |Spe. nitrogen} 808) 8.00] 3.07) 50.12] 32.95] 5. 
1890 Duplicate of last, : fe 809} 7.941 2.98! 50.12) 33.24) 5.7m 
1890 64, ; 4 810) 7.94] 3.31] 51.07] 32.01] 5.6% 
1890 Duplicate of last, ‘ cs S11; 8.31! 3.52] s0,423)ba2eec ee 
1890 6a, Duplicate of above, a 826, 8.75! 3.57| 49.65] 32.16) 57am 
1890 64, Basen of sath i 827| 8.44) 3.94] 49.46] 32.16] 6.00 
18gI 6a, : os 992} 6.63} 3.45] 53.63] 31.10] 5. 
1891 O05) ‘ ; fy 993} 7.31} 4.03] 51.13} 31.84] 5.69 
1892 6a (total crop), ; ; cs *1,055| 10.94] 3.19] 47.25] 32.00] 6.62 
1892 6a (grasses only), 5 . 1,059] 7.19} 3.009] 52.04] 33.35] 4.33 
Average, .-+-| 7.83! 3.44) 50.84) 32.32) 5 Sa 
Dis. Boneblack, 320 lbs. 
Mur. of potash, 160 lbs. 
Nitr. of soda, 160 lbs. (nitro- 
gen, 25 lbs.) | 
"1890/Plot 7, —.. . |Spe. nitrogen) 812) 8.38] 3.77] 48.38] 33.87] 5.60 | 
1890 Duplicate of last, : a 813} 8.56) 3.49] 48.64] 33.64] 5.670) 
1890 Duplicate of last, : Me 828} 8.19] 3.85! 49.48] 33.11) 5.39mm 
1891 7, : : ; , Hd 994}, 6.94) 3.66] 52.28] 32.01] 5.11 
1892 7. : : ‘ : se 1,056} 7.69} 3.34! 49.29] 34.16] 5.52 | 
Average, sae ed oD ao roe 49. 62) 33.36, 5 
Dis. boneblack, 320 lbs. 
Mur. of potash, 160 lbs. 
Nitr. of soda, 320 lbs. (nitro- 
gen, 50 lbs.) 
18go/Plot 8, . . |Spe. nitrogen} 814) 8.19) 3.56] 48.50) 34.58] 5.19 
1890 Duplicate of last, , a 815} 8.19} 3.27) 48.58) 34.931 5.03 
1890 Duplicate of last, , ty 829} 7.88] 3.65) 49.00] 34.32) 5.15 
1891 8, - ; : : An 995| 8.75} 4.08] 49.15} 32.69] 5.33 
1892 Bou iiss . . i 1,057; 9-31) 3.69] 47.55] 33.93] 5.52 
Average, ..+-| 8.46) 3.65) 48.56) 34.09} 5.24 
* Omitted from average. 






