3°8 
Journal of Agricultural Research 
Vol. XIV, No. 8 
Rye Crop 
The soybean roots were ground as those of the oats and thoroughly 
incorporated with the soil. On October 3, 1916, 20 rye seed were added 
to each pot, of which 12 plantlets were left to mature. On June 4,1917, 
the rye was harvested. Table VIII contains the data of this harvest. 
Table VIII .—Weight of rye crop and potash removed from soil 
Dry matter (grams). 
Potash removed (grams). 
Treatment. 
Grain. 
Straw. 
Total. 
Aver¬ 
age 
total. 
Rela¬ 
tive 
rank of 
aver¬ 
age. 
Grain. 
Straw. 
Total. 
Aver¬ 
age 
total. 
Aver¬ 
age 
gain 
over 
no 
pot¬ 
ash. 
Potassium sulphate. 
8.1 
29.1 
37*2 
0.046 
0.162 
0.208 
L 0 
Do. 
7 * 5 
28.0 
35 - 5 
■ 36*5 
76.5 
.040 
•15* 
.191 
>0.202 
0.129 
Do. 
8.8 
28.0 
36.8 
. 048 
.158 
. 206 
3 potassium sulphate.. 
10.4 
29.9 
40*3 
• 065 
. 260 
• 325 
l 
Do. 
9.6 
28.4 
38*0 
38.5 
80.7 ■ * 
.051 
• 255 
.306 
f *312 
*247 
Do. 
9.6 
27.6 
37*3 
•054 
.250 
• 304 
3 potassium sulphate plus 
1 
calcium carbonate.. 
12.0 
30-0 
42.0 
.069 
.271 
• 340 
1 
Do.... 
14.0 
34-0 
48.0 
46.5 
97*4 
.074 
.274 
*358 
f *349 
.276 
Do. 
13.6 
36.0 
49.6 
l *076 
•275 
• 35 * 
J 
3 potassium sulphate plus 2 
calcium carbonate. 
12.8 
32.6 
45*4 
.070 
.268 
*338 
Do. 
13-4 
37-4 
.50.8 
47*7 
100.0 
.072 
. 280 
*352 
■ *353 
.280 
Do. 
14-4 
38. 2 
52.6 
.986 
. 282 
.368 
Biotite. 
6.4 
26.6 
33*0 
•039 
. 186 
.225 
Do. 
5 - 8 
26.0 
31*0 
■ 32.0 
67.1 
• 036 
. 180 
. 216 
.219 
.146 
Do. 
6.0 
25. 2 
31-2 
.042 
.174 
. 216 
9 . hintite.. 
7.0 
27. 2 
34 * 2 
.040 
.194 
• 234 
Do. 
6.4 
25.0 
3 T *4 
32.3 
67.7 
•039 
.174 
.213 
• .222 
.149 
Do. 
6.9 
24.6 
3 i*S 
.044 
*i 75 
. 219 
3 biotite plus calcium car- 
bonate. 
6-7 
26.0 
32.7 
1 
( *044 
. 180 
. 224 
I 
Do. 
6.6 
26.0 
32.6 
\ 32.0 
67.1 
i .040 
. 180 
. 2 20 
f *225 
■152 
Do. 
5-4 
25-4 
30.8 
l .038 
•173 
. 211 
J 
3 biotite plus 2 calcium car- 
bonate. 
7.2 
27.0 
34*2 
| .04S 
184 
. 232 
l O 
Do. 
5-7 
26.0 
3 1 * 7 
■ 3«*3 
67*5 
J *036 
. 180 
. 216 
f .218 
•145 
Do. 
5 * 7 
24.9 
30.6 
1 *033 
. 172 
.205 
1 
Microcline. 
2.0 
' 10.4 
12.4 
j .016 
.078 
.094 
1 
Do . 
1.6 
11.6 
13. 2 
■ II. 7 
24*5 
< .014 
.083 
.107 
y *093 
.020 
Do. 
.8 
8.8 
9.6 
l . 009 
.069 
. 078 
) 
» miriwlinp .. . 
1.4 
10.0 
XI.4 
( .009 
.074 
.083 
1 
Do. 
. 9 
8.8 
9 * 7 
9*9 
20. 7 
1 .007 
.062 
.069 
y .071 
None. 
Do. 
*9 
7*6 
8*5 
l .006 
.056 
.062 
) 
3 microcline plus calcium car- 
bonate. 
1.8 
8.8 
10.6 
| 
[ . 008 
.066 
.074 
1 0 
Do. 
• 5 
7.0 
7*5 
\ 9*3 
19.4 
< .003 
.073 
.076 
y .078 
.005 
Do. 
.6 
9.2 
9.8 
■) 
1 .004 
. 080 
.084 
j 
2 microline plus 2 calcium car- 
bonate. 
1.0 
8.8 
9*8 
f *005 
.064 
.069 
1 
Do.... 
• 5 
9.0 
9*5 
[9*9 
20. 7 
4 .002 
.069 
.071 
y *073 
None. 
Do. 
•9 
9.6 
10.5 
l .004 
.074 
.074 
j 
Control (no potash). 
1.6 
8.4 
10. 0 
[ .007 
.068 
• 075 
T. 6 
8.0 
9.6 
9. 7 
20. 5 
< .007 
.064 
.071 
y *073 
Do. 
•3 
7 *i 
7-4 
1 .001 
.071 
.072 
) 
Control (no potash) plus cal- 
cium carbonate. 
• 3 
9.0 
9*3 
| 
[ .001 
.066 
.067 
1 ,, 
Do . 
.6 
8.0 
8.6 
\ 9*3 
19.4 
< .003 
.060 
.063 
y .066 
None. 
Do 
8.6 
IO. Q 
] 
l *007 
.062 
.069 
J 
Control (no potash) plus 2 
calcium carbonate . 
1.4 
7.6 
9-0 
.007 
.064 
.071 
Do. 
1.4 
6.9 
8.3 
8.8 
18.4 
.006 
.063 
.069 
■ .071 
Do. 
Do. 
•7 
8.4 
9.1 
.004 
.069 
• 073 
Muscovite . 
6.0 
22.0 
28.0 
.041 
•*54 
• 195 
Do . 
4.8 
20.4 
25. 2 
■ 27*3 
57*2 
•039 
*143 
.182 
• 192 
.119 
Do . 
5.1 
33. 7 
28.8 
.040 
. 160 
.200 
t> tniisrmvite . 
5.0 
20.0 
25.0 
.046 
.140 
.186 
Do .. 
4*4 
24.0 
28.4 
■ 27.1 
56.8 
•044 
.158 
.202 
•197 
.124 
Do . 
5. 2 
22.6 
27*8 
.048 
.156 
.204 
2 muscovite plus calcium car- 
21.6 
27*9 
] 
f *050 
.153 
.203 
Do .... 
5. 2 
22.4 
27.6 
y 26.8 
56.1 
*[ .040 
. 146 
. 186 
y *193 
.120 
Do. . 
4.9 
20.8 
25.7 
J 
1 *052 
. 140 
. 192 
J 
3 muscovite plus 2 calcium 
4.8 
20.8 
25.6 
1 
f *043 
.140 
.183 
Do ... 
6. x 
22.4 
28. s 
} 27.5 
57*6 
1 *052 
.156 
. 208 
1* .198 
.125 
Do . 
S* 8 
22.6 
28.4 
1 
1 .050 
•154 
. 204 
J 
