
APR RE IE SAR OR 
PEDO EY SN I ae 

FIELD EXPERIMENTS WITH FERTILIZERS. 




















TABLE 40. 
SPECIAL NITROGEN EXPERIMENTS ON WHITE FLINT CORN 
(SERIES A). 
Percentages and pounds per acre of dry matter and of protein tn 
Stover. 
: z geese 
iS ¥ : @ Sane 
: AM tin aia et Ha Ee da Sieg 
uv u a aan ea Looms 
- FERTILIZERS. a d | ; S cin cesta: 
: Ee ee i ae a Cea tated 
x, a = ! a G aoa 
tela) Sl A Sal bal i 
2 a pears 
u SUE onde acdc 
| Lbs. Lbs. | vA “Lbs. Pe bel or iaee 
| 1898 1250 68. 6 858, WAS Ae O Tim O2 ere 
o| Nothing, - - - - | —¥< |1899} 98068.3 669) 9.00) 60) 36) 52 
| Av. 1115 68, 5 ict 8.42) 64 47) 61 
{ Mixed Minerals, as No. 6a ABo \ sa 2250) 64.3 1447 Bi 23| go ne ue 
A Nr An 1899 2900 57.21659 6.19/103| 89 
| ( Nitrate of Soda (25 Ibs. N.), 60 | Av. 9575 60. 8 1553 6.91| 97 961 93 
; : 898/2525,70. 3 1775, 5. 71/IO1/129|110 
Mixed Minerals, as No. 6a, |480 ) +39 
_a/{ Mined Mingle a5 No: 6480) Son gazs Ga aga) 2 acca te 
; , Av. 3000 66.5 1977 6 .61/132/122)126 
Mixed Minerals, as No. 6a, 480 1898 2975|58.0 1726 G25 }108/1 20) tbe 
feats Sf Soda(76 Ibs. N:),\480 ) [1299/2379 |50- 5/1342) 7-19197) 72 oe 
| | Av. |2675 57.3 1688 6.72/103) 95) 99 
; : |1898|2150/62.8'1350| 6.81] 92} * | * 
ca { Ds: Boneslagk | Mined | 920 | rag gta ar gzeae| Salaa|*| 
; ‘ Jivgl Av. 2833 60.4 1693 HY 6 OS cet Fi 
: cr: | 1898) 2650 66.4'1760] 5 .83/103/128|113 
Ded Mixed Minerals, as No. 6a, 480 a 225/60.7,1958| 7.81/153/105|131 
Sulph. of Am. (25 lbs. N.), £20 99) 3 | 
Hi ere. Av. 2938 63.61859 6.82)128)115 139 
: | 
d ie. | 1898/3200/57.6 1843) 6.09/112)134)122 
II 1 Les Pe lis i, 1899)/4000'55. 0 2200} 7.94)175 I18|150 
Bie ‘ Sinan lai Av. |8600/56. 3 2022 Ci 02 144 125/138 
: ; i 1898/2525 pause 6,82 106|/113|116 
12 ieee erie be aa rs 1899/3875 /50.4/1953| 8.19 160|105/137 
i Sulph. of Am. (75 Ibs. N.), 360, 3900 66.0.1754 7.61 19 108/127 
1898|1250|62.0) 775} 9.08) 70] 56) 77 
oo| Nothing, - - - - | — |18g9|1075|68.1| 732)11.63| 85} 39) 73 
Av. |1163'65.1| 754/10.86 78) 47| 75 
| | 1898] 2050/68. 2|1398| 6.47) 91| * | * 
6| Mixed Minerals, as No. 6a, bie 1899|2875/58.7|1688| 5.81) 98| “ * 
| Av. |2463/63 .5/15438) 6.14) 95; * | * 
Ie ren ee 
* The average of the yields on plots 6a and 60 is here taken at 100 for,comparison. 
