3°6 
Journal of Agricultural Research 
Vol. XIV, No. 8 
uniform stand of five plantlets per pot. The crop was harvested on 
September 25, after maturing seed. 
In Table VII will be found the results obtained. 
Table VII .—Weight of soybean crop and potash removed from soil 
Treatment. 
Potassium sulphate.. 
Do... 
Do. 
2 potassium sulphate. 
Do. 
Do... 
3 potassium sulphate plus cal¬ 
cium carbonate. 
Do. 
Do. 
2 potassium sulphate plus 2 
calcium carbonate. 
Do. 
Do. 
Biotite. 
Do. 
Do. 
2 biotite... 
Do. 
Do. 
3 biotite plus calcium car¬ 
bonate. 
Do. 
Do. 
3 biotite plus 2 calcium car¬ 
bonate. 
Do. 
Do. 
Muscovite. 
Do. 
Do. 
3 muscovite. 
Do. 
Do. 
2 muscovite plus calcium car¬ 
bonate. 
Do. 
Do. 
2 muscovite plus 2 calcium 
carbonate. 
Do. 
Do. 
Orthoclase. 
Do. 
Do. 
3 orthoclase.... 
Do. 
Do. 
2 orthoclase plus calcium car¬ 
bonate. 
Do. 
Do. 
2 orthoclase plus 2 calcium 
carbonate. 
Do. 
Do. 
Microcline.. 
Do. 
Do.. 
2 microcline. 
Do. 
Do. 
3 microcline plus calcium car¬ 
bonate. 
Do. 
Do. 
3 microcline plus 2 calcium 
carbonate.... 
Do. 
Do. 
Dry matter (grams). 
Potash removed from soil (grams). 
Seed. 
Hay. 
Total. 
Aver¬ 
age 
total. 
Rela¬ 
tive 
rank 
of av¬ 
erage. 
Seed. 
Hay. 
Total. 
Aver¬ 
age 
total. 
Gain 
over 
no 
pot¬ 
ash. 
14.8 
63*4 
78.2 
0.160 
0.382 
0.542 
14.1 
60.9 
75*o 
■ 77*3 
63.0 
.150 
•376 
.526 
0.545 
0.409 
15*7 
63.0 
78.7 
.174 
• 392 
.566 
15*2 
68.0 
83.2 
. 271 
. 526 
• 797 
16. 9 
70.0 
86.9 
■8 S *5 
6i* 5 
.280 
•S3i 
.811 
■ .802 
.666 
x6.6 
70.0 
86.6 
.279 
*520 
*799 
37.7 
82.2 
109.9 
[112.8 
( *526 
•556 
1.082 
1 
26.0 
86.3 
112.3 
90.8 
\ .482 
• 562 
1.044 
(1*099 
•963 
28.2 
88.0 
xx6.2 
J 
1 .566 
.604 
1.170 
) 
29.8 
91.0 
120.8 
•574 
.622 
1.196 
33*2 
93*o 
126.3 
124.2 
100.0 
.642 
• 650 
1.292 
■1.234 
1.098 
32.1 
93*6 
I2S- 7 
. *569 
.646 
1.215 
9.8 
56.1 
6s*7 
■ 66.1 
.167 
•403 
•570 
8-7 
55*o 
63* 7 
53*a 
•153 
.386 
*548 
• *567 
•43i 
to. 6 
57*9 
68. $ 
.170 
.414 
• 584 
10.3 
55*o 
65.0 
■ 64.8 
.170 
.400 
•570 
9*0 
52*0 
6i-o 
52.1 
.158 
•377 
•534 
* *575 
•339 
11.4 
56.6 
68.0 
.204 
.416 
/620 
17*8 
70.3 
88.1 
[ 88.3 
( *307 
.490 
•797 
I 
16. s 
68.6 
8 S * 1 
71.1 
\ .286 
.462 
*748 
\ .791 
•655 
18.4 
72.4 
91.8 
J 
1 *324 
•S04 
.828 
1 
16.0 
68.2 
84. 3 
• 87.8 
•314 
.440 
•754 
17.4 
71.8 
89* 2 
70.7 
*306 
.468 
•774 
■ .789 
•653 
17*0 
73*o 
90.0 
.310 
•530 
.840 
9.4 
50. 2 
59*6 
. 162 
•364 
.526 
■ .528 
10.8 
5i*7 
52.5 
■ 56.8 
45*7 
.171 
.360 
•531 
• 393 
10.0 
48.3 
58*3 
. 170 
•358 
.5^8 
zi. 6 
47-6 
59*2 
. 180 
•351 
■531 
.388 
10.8 
46.9 
57*7 
■58.7 
47*3 
. 172 
•350 
.522 
' -534 
10.4 
50.2 
60.6 
•175 
•376 
•551 
13*8 
$8.0 
71.8 
1 
[ *234 
.418 
.652 
1 
X2. 3 
60.0 
72.2 
( 73 *9 
59*5 
< .226 
.420 
.646 
[ *663 
•5*7 
14.9 
63.0 
77*9 
J 
l *345 
.446 
.691 
1 
II.9 
57*o 
68.9 
>69.7 
.189 
.400 
*589 
13*6 
59*8 
73*4 
56* 1 
. 246 
.4x2 
.658 
■ .625 
• 489 
13. O 
56*4 
66.4 
J 
.225 
.402 
.627 
6.0 
30. 6 
36.6 
I 
. 112 
.281 
*393 
5*6 
34*o 
39-6 
\ 36.5 
29.2 
. 106 
.294 
.400 
■.388 
.25a 
4.8 
28. 6 
33*4 
f 
. 100 
.272 
•372 
5*o 
31.0 
36.0 
] 
.096 
• 290 
.386 
.408 
6.6 
36. 2 
42.8 
j 4°*4 
3**5 
. 116 
.306 
.422 
• 27a 
6*3 
36. 2 
42*5 
.114 
•304 
• 418 
9*i 
49*2 
58.3 
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| *133 
•344 
•477 
1 
8.6 
46.0 
54*6 
f 55*3 
44*5 
< .130 
•346 
*476 
\ *473 
•337 
7*9 
45*1 
53*o 
J 
l *135 
• 232 
•467 
) 
7.6 
45*3 
52.9 
f *132 
•330 
.462 
■ .468 
8.4 
47.0 
55-4 
’ 55*6 
44* 7 
1 .130 
•338 
.468 
•33* 
9.2 
49.4 
58-6 
1 *129 
•346 
•475 
3*2 
16.1 
19*3 
[ .066 
. 112 
.178 
2.6 
IS* 6 
18.2 
■ 18.0 
14.4 
1 *052 
. 106 
.158 
• .166 
.030 
2.6 
14.2 
16.8 
1 .050 
. in 
. 161 
3*4 
15*0 
18.4 
( .069 
.105 
•174 
2.8 
13*8 
16.6 
' 17*9 
14.4 
< .048 
. 100 
. 148 
* . 166 
.030 
4.1 
14.6 
18.7 
1 *072 
.103 
•175 
5*3 
19.1 
24.4 
1 
f .078 
.114 
. 192 
I 
6.0 
20. 7 
26. 7 
>35*8 
20.7 
{ .080 
.119 
.199 
f *197 
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5*8 
20.5 
26.3 
J 
1 *076 
.120 
.196 
5*4 
21.6 
27.0 
) 
f .080 
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. 202 
I ‘ 
6-3 
20.0 
26.3 
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21.3 
< .076 
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r -i97 
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l *075 
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J 
4 
