t+ 
>, 
‘ 
Ee 
Le 
= 
FIELD EXPERIMENTS WITH FERTILIZERS. 
103 
TABLE 24.—SPECIAL NITROGEN EXPERIMENT ON CORN. 
Weight and Cost‘of Fertilizers per Acre, Total Crop and Increase 
of Crop over that of the Nothing Plots. 























vi n ; v¢ | Y ° 4 
a ‘ ~ | p P |» & ee eae Le ot 
2. eS | JS | ssoAcre | #5] 208 (28 (2g 
74 FERTILIZERS. ae Se roles ere US | as oo 
Clare Ne 7 =|, oa eh ae Soa 3 5 
| Lbs.| $ | Lbs. |Lbs.| % | Lbs.|Bu,| Lbs. Bu, 
o, Nothing, . Sener 707 PSS [75 Oka 2749, ra 
Mixed Minerals, as No. ee 480 
Nit. of Soda (25 lbs. N.), |160 12,00) 119.6) 89) 73. |3522) 63) 4005 3° 
Mixed Minerals, as No. 6a,/480 | | 
Nit. of Soda (50 Ibs. N.), ae Ae cee 7) 74 13909) 71 3084 38 
Mixed Minerals, as No. 6a,|480 | 
9] Nit. of Soda (75 Ibs. N.), |480 § | 19:92) 143-9] 197 | 74 |4490) 80 4437| 47 
Dis. Bone-black, } M’xd § |320 | | B | | 
6a Mur. of Potash. iia 1 aaa 8.00) 86.8) 86 | 73 |2589| 46 3692 13 
§ Mixed Minerals, as No. 6a,|480 | | 
the ( Sulph. of Am. (25 Ibs. N.),/120 eens 071-750 100510 nee 33 
Mixed Minerals, as No. 6a,/480 | 
II 1 Sulph. of Am. (50 lbs. N.), eee 16.88) 123.3} Ior | 73 |3840! 69 rae 36 
ee Mixed Minerals, as No. 62a,/|480 ) | 6281 6 | 
Bee renriy is lDs i, 7.1300 jae po) co) 43 13 93"| 25 44h) 3 
oo| Nothing, — | — | 57.31 61| 71 |1645| 29/3261) — 
64} Mixed Minerals, as No. ae 480 8.00) 102.8] 100 | 73 |3040| 54 |4307| 21 
TABLE 25.—SPECIAL NITROGEN EXPERIMENT ON CORN. 
Weight and Cost of Fertilizers per Acre, Total Crop and [ncrease 
of Crop over that fe the Nothing Plots. 



° 
e FERTILIZERS. 
a 
o| Nothing, - - - 
Mixed Minerals, as No. 6a, 
7 1 Nitrate of Soda (25 Ibs. N. ), 
8 Mixed Minerals, as No. 6a, 
Nitrate of Soda (50 lbs. N.), 
1 Mixed Minerals, as No. 6a, 
9 Nitrate of Soda (75 Ibs. N.), 
a 1 Dis. Bone-black, nee 
Mur. of Potash, Min., 
nA Mixed Minerals, as No. 6a, 
ji Sulph. Ammonia (25 lbs. N.), 
Mixed Minerals, as No. 6a, 
: Sulph. Ammonia (50 Ibs. N. i 
* 1 Mixed Minerals, as No. 6a, 
Sulph. Ammonia (75 Ibs. N.), 
00} Nothing, - - 
66; Mixed Minerals, as No. 6a, 

Weight 
of Fertilizers. 


Cost 
of Fertilizers. 
mL < 
16 
| | OT. 
ook abies 

8. 
12.00 
Lhe 
19.92 
8. 
.88 119.9 
YIELD 
PER PLOT. 
(1-50 Acre.) | 
Corn 
(ears). 
| Stover. 
fea 
Shelled Corn. 

Lbs. | Lbs 
76.0 
115.2] 90 
84. 
86 
96| 118.8 
£2701 
oo} 80.9} 81 
44| 105.8 

92, 
105 
32 I15.1/103 
49 
99 


00 110.5 
Sp ey ey ree Oe 
OO | Ome 900 "| 
79 


_ | Bu.) Lbs. 

Stover per Acre. 
25 % Water. 
Gain Over Noth- | > 
ing Plots. 
| 
| 

wo 
= 
| 
44 2393 
68 3864 
to 
“I 
7U 3349 
Gd 
ie) 
74 3549 
OO 
OO WwW 
47 |3727 
62 21 
3741 
72 |4123| 31 
4381 
2.463 
4284) 
23 
23 


