O12 REPorRT OF THE BOTANICAL DEPARTMENT OF THE 
YIELDS, 
The potatoes were dug by hand on October 22. The method 
of sorting and the loss from rot were the same as in the paris 
green experiment. (See page 204.) The yields are shown in 
Tables III and IV. 
TasLE III.—Y1IELps IN THE ARSENITE OF LIME EXPERIMENT. 

YIELD PER Row. | YIELD PER ACRE. 

Section. | Row. TREATMENT. a rakate ae Vale eee 
arket- arket- 
able. Small. able. Small. 
Lbs. Lbs. |Bu. lbs.|Bu. lbs. 
A 1 Check feo ae See Sea ea aitees 188 51 1156 40/42 30 
2 |Arsenite2? + lime water.......... 118 59 | 98 20/49 10 
3 |Arsenite + bordeaux...........- 4114 40 |342 55/33 20 
4 -|Bordeaux only, icin Fes.s ce os oe-eare 379 L7. |S1oee50) 1 10 
B $5; gal CHECK Yi cre sch ts. os Sie Oe creaseaie ate 1624 56 1185 25/46 40 
6 |Arsenite + lime water........... 100 47 | 83 20/389 10 
7 |Arsenite + bordeaux..........-.. 411 28 |342 30/23 20 
8 | Bordeaux only sins ek caanverste penne 414 24 1345 —|20 —_ 
C OQ Cheek Saatonisiehec cere estore oteeas ess 188 + 39) {Loo rao 40 
10 ‘Arsenite + lime water........... 111 46 | 92 30/388 |. 20 
11 |Arsenite + bordeaux...........- 389 14 |324 10/11 40 
12 > Bordeaux only 242. acne reiete cle tere 4023 15 |355 =.) 12 30 
D 13 DA Check iig. aoc oe hie a oie etiee see 181 39 1150 50/32 30 
14 |Arsenite + lime water........... 1264 24/1105 25:20 — 
15 |Arsenite + bordeaux............ 241 11 |200 50 9 10 
16.) Bordeaux only ...cccc css see oe 345 9 |287 30 7 30 
E LgiS CheOGle aaa ches cies cede ace eletein cithete eee 135 15 (1127730 12 30 
18 |Arsenite + lime water........... 113 25%| 94 1021 15 
19 {Arsenite + bordeaux............ 322 10 |268 20 8 20 
20.) Bordeaux.only. 2. 3. com cee 43 84/365 — 7 5 
i 

TasBLE IV.—YIELD BY SERIES IN THE ARSENITE OF LiME EXPERIMENT. 


Yield of 
SERIES. Rows. Treatment. pari es 
per acre. 
Bu. Lbs. 
[iiteeuston ses 1, 5,9, 138 and 17| Check; not sprayed; bugs hand picked...... 142 25 
Liaaioee eae , 6, 10, 14 and| Sprayed 4 times, arsenite of soda in lime 
LESS ore as nae Water istis sche’: ah aos ce aie Ate eh oe 94 45 
[8 ey es 3, 7, 11, 15 and| Sprayed 4 times with arenite of soda in bor- 
OS ae ee renee deaux and once with bordeaux alone...... 295 45 
IVS de ees 4, 8, 12, 16 and| Sprayed 5 times with bordeaux alone; bugs 
20 St eae hand=pickOd.s sinssn cs ce sil a iets wis caste staueiaes 329 45 

Arsenite of soda in lime water reduced the yield 473 bu. per acre. 
Arsenite of soda with bordeaux increased the yield 153% bu. per acre. 
Bordeaux alone increased the yield 1874 bu. per acre. 
DISCUSSION OF THE RESULTS. 
From the results of this experiment it appears that the use of 
arsenite of soda in lime water on potato foliage is attended with 
*7Arsenite of soda stock solution. 
