224 , 
No. 29 .—Cupric hydroxide mixture. Yield above the average and remarkably free 
from rust. 
No. SO. —Tricupric orthophosphate mixture. The same as the last. 
No. 31. —Cupric polysulphide mixture. Qurte free from rust and produced the 
best yield on the tract, viz, 4 pounds, 8 ounces, and 4 pounds, 10 ounces per plat. 
No. 32. —Ferrous ferrocyanide mixture. A practical failure, yielding very lightly 
in straw and almost no grain. This preparation should certainly he discarded. It 
is, however, a good weed'destroyer, and would be good where weeds or grass are to 
be kept permanently down about trees or shrubs. No weeds came up on these plats 
after harvest, while oil all the rest more or less weeds appeared. 
No. 33. —Iron borate mixture. Yield normal, but plats considerably rusted. 
Would not recommend this preparation. 
No. 34. —Irou sulphide mixture. A decided failure, producing very unsatisfactory 
results. If full strength had been used scarcely a green stalk would have been left 
by the fourth spraying, but after the second spraying the preparation was used half 
strength and was even then too severe. Very little rust. 
No. 35. —Zinc borate mixture. Yield good; quite free from rust, though not as 
perfectly free as some of the preceding numbers. 
No. 38. —Bordeaux mixture. Yield of straw good, but grain light. My experience 
with Bordeaux is that it has a decided effect on the common red rust as indicated, 
not only in this experiment, but in “A ” also. These plats were nearly free from 
rust. 
No. 24. —Seed immersed 24 hours in Bordeaux; one-half gallon of the mixture to 
20 feet of row for soil; treatment showed as much rust as any untreated plat. The 
product was above the average in straw and grain. 
One thing particularly noticeable at the time of threshing was the fact that in 
such treatments as 26, 27, 29, 30, 31, and 38 the lower leaves were full aud abundant, 
while in the untreated plats they were mostly thin, shrunken, or fallen off. Could 
these results be made to obtain throughout a held, it occurs to me that the feeding 
value of a ton of straw would be greatly increased. As a whole, these experiments 
Avere far more satisfactory than those described under “A.” 
In tlie following table the yield of the several treated spring wheat 
plats is given: 
Table 11. —Showing method of treatment and yield of grain and straw. 
Plat. 
Kind of treatment. 
• 
Yield of gi’ain 
and straw. 
Yield of 
cleaned 
grain. 
26 and 2G 
27 and 27 
28 and 28 
29 and 29 
30 and 30 
31 and 31 
32 and 32 
33 and 33 
34 and 34 
35 and 35 
38 and 38 
24 and 24 
* 
Sprayed with basic cupric acetate mixture. 
Sprayed with copper borate mixture.. 
Sprayed with cupric ferrocyanide mixture. 
Sprayed with cupric hydroxide mixture. 
Sprayed with tricupric orthophosphate mixture. 
Sprayed with cupric polysulphide mixture. 
Sprayed with ferrous ferrocyanide mixture .. 
Sprayed with iron borate mixture. 
Spraved with iron sulphide mixture. 
Sprayed with zinc borate mixture. 
Sprayed with Bordeaux mixture. 
Soil and seed treatment with Bordeaux mixture. 
Pounds. 
$ 4 
1 4 
1 5 
{ 4 
{ 4 
f 1 
{ i 
I s 
I I 
5 4 
l 3 
{ 1 
1 i 
Ounces. 
0 
10 
3 
6 
2 
8 
12 
0 
0 
4 
10 
8 
4 
0 
0 
8 
6 
3 
2 
12 
14 
6 
2 
10 
Ounces. 
10 
12 
9 
9 
6 
8 
8 
9 
9 
11 
10 
11 
7 
6 
7 
8 
7 
G 
* 10 
10 
8 
9 
9 
8 
