EFFECT OF NITROGENOUS FERTILIZERS. 185 

TABLE 32.— Effects of nitrogenous fertilizers upon oat straw. 
_ [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 OAT STRAW 
i CALCULATED ON WATER-FREE SUBSTANCE. 

















! Vear,| Plot No. and kind and amount of Kind of se re : ¢ om 
fertilizer per acre. experiment. No. Nitrogen 
Protein.| Fat. free Fiber. | Ash. 
| extract. 
| Nothing. Per ct./Per. ct.| Per ct, iPer ct. \Permerm 
| 1890 Plot, 0, : : . |Spe. nitrogen $36| 8.63) 3.90) 48.221] 34.40) eae 
— 1890 00, : : ; ae 838} 8.31) 3.09] 48.99] 35.26} 4.35 
1890 ooo, . : : i: 840} 9.00] 3.44) 48.67] 34.71] 4.18 
1892 0, 1,097} 5.44) 3.02) 44.98) 40.39) 6.17 
1892 00; + 1,098} 5.56) 3.37) 46.16) 39.35) 5.56 
; Average, ~>--| 7.39} 3:36) 47.40) 36.8415 01 
Dissolved boneblack, 320 lbs. 
_ |\Muriate of potash, 160 lbs, 
| Nitrogen,— . 
1890 Plot6ea, . ; . |Spe. nitrogen $42), 16.13}, 3.40| 49.381)37215aeamon 
| 1890 64, : t : 844) 5.94) 3-42! 49.04] 33.31] 4.29 
| 1892 6 hte ee ts 6s 1,099] 4.81} 3.01| 44.50] 41.36] 6.32 
| 1892 6a, : : ‘ ie I,100; 4.81} 2.87) 46.02] 40.45} 5.85 
| 1892 64, : , : - I,IOI; 3.69} 2.90) 45.68] 41.54] 6.19 
| 1892 6c, 5 : : ey 1,t02; 4.88} 2.60) 44.80] 41-88) ?500G 
| Average, 5.04 3.05) 46.43) 39.95) 5.55 
| Dissolved boneblack, 320 lbs. 
, Muriate of potash, 160 lbs. 
Nitrate of soda, 160 lbs.(nitro- 
gen, 25 lbs.) 
| 1890 Plot 7, ; ; . |Spe. nitrogen} 846) 5.06] 3.84) 47.82] 38.52! 4.76 
1892 a eae : I,103} 4.19) 2.49) 45.07) 42.78) 5.47 
| ' Average, 4.63) 3.36 46.44) 40.65) 5.32 
| Dissolved boneblack, 320 lbs. 
Muriate of potash, 160 lbs. 
Nitrate of soda, 320 lbs. (nttro- 
gen, 50 lbs.) 
1890 Plot 8, : : » Hope, nitrogen) 848) 5.25) 3.92] 48.29) 38,40leteas 
1892 8, : : a T;104) 14:50] 2.57| 44-06) 42 70Rmemen 
Average. --.| 4.90) 2.95) 46.47) 40.60! 5.08 
Dissolved boneblack, 320 lbs. 
Muriate of potash, 160 lbs, 
Nttrate of soda, 480 lbs, (nitro- 
gen, 75 lbs.) 
1890 Plot 9, ; : . |Spe. nitrogen 850} 6.00) 3.56) 47.23) 38.10) se .om 
1892 9, : : ook T,105) 6.06) 2.37) 43.55) /42 (26eeee 
: Average, .«-| 6.03) 2.97) 45.39) 40.23) s5eg8 
Dissolved boneblack, 320 lbs. 
Muriate of potash, 160 lbs. 
Sulphate of ammonia, 120 
> lbs. (nitrogen, 25 lbs.) ) 
1890 Plot ro, : Spe. nitrogen| 852} 5.69) 3.60) 49.56) 36.61] 4.54 


