5i6 
Journal of Agricultural Research voi.xiv, no. » 
In preparation for the crop of 1915 the dynamiting was again done in 
the fall and the plowing in the spring. In preparing for the crop of 1916 
both dynamiting and plowing were done in the fall. The plowing re¬ 
mained rough over the winter. In the spring all plots were double- 
disked and harrowed in preparation for seeding. As in previous years, 
no variation in growth that could be attributed to the use of dynamite 
could be observed in the plots in the field. 
The yields from the 16 plots in this experiment for the four years 1913 
to 1916, inclusive, are presented in Table XIX. The arrangement of the 
data in this table is the same as in Tables XVI and XVII. The yields of 
com are given in total pounds of fodder per acre. The com used in these 
experiments is raised for fodder at this station and no grain produced. 
Table XIX .—Yields at Judith Basin Field Station of wheat and corn in dynamiting 
experiment for the years IQ13 to 1916, inclusive 
Yield. 
Aver¬ 
age of 
Crop and treatment. 
Previous 
crop. 
Plot.a 
1913 
1914 
191s 
1916 
Aver¬ 
age. 
similar 
treat 
ment 
after 
both 
wheat 
and 
corn. 
WHEAT. 
Dynamite each year... 
Wheat. 
L 
3 i* 1 
20. 2 
30.6 
18.8 
25. 2 
26. 2 
First crop after dyna- 
.. .do... 
J-M 
33*2 
18.6 
32. I 
19.7 
25.9 
26. 4 
mite. 
Second crop after dy- 
.. .do. .. 
M-J 
30* 8 
i 7*3 
29. 8 
19.4 
24-3 
25 * 9 
namite. 
Ordinary plowing. 
.. .do... 
K 
30.6 
17. 0 
30. 1 
17.1 
23 * 7 
23*4 
Dynamite each year... 
Com... 
D-N 
3 1 - 2 
20. 6 
32. 6 
24. 0 
27. 1 
First crop after dyna- 
.. .do... 
B -0 
31. 2 
20.1 
32. 1 
23-7 
26.8 
mite. 
Second crop after dy- 
... do... 
C-P 
27.9 
23.2 
32.3 
26. 4 
27*5 
namite. 
Ordinary plowing. 
.. .do... 
A-Q 
26. 7 
17*3 
27.9 
20. 6 
23* * 
CORN. 6 
Dynamite each year... 
Com... 
F 
2,640 
9,700 
2. ns 
4,400 
4.714 
3 ) 903 
First crop after dyna- 
...do... 
H-E 
2, 240 
8, 500 
2, 120 
3) 400 
4.065 
3)309 
mite. 
Second crop after dy- 
...do... 
E-H 
2,880 
8,700 
1.695 
4,600 
4,469 
3,998 
namite. 
Ordinary plowing. 
...do... 
G 
2,200 
2,580 
8,400 
I, 840 
4,400 
4,210 
3,363 
Dynamite each year... 
WTieat. 
N-D 
5 , 700 
1,685 
2,400 
3 ) 09 1 
First crop after dyna- 
.. .do... 
P-C 
2,480 
3)400 
i)S 3 o 
2, 800 
2, 553 
mite. 
Second crop after dy- 
.. .do... 
O-B 
2,440 
6,900 
2.165 
2, 600 
3,526 
namite. 
Ordinary plowing. 
Q-A 
1,880 
3)900 
1,480 
2, 800 
2,51s 
o Where two plots appear under the same heading, the crop is on the first one in the odd years and on the 
second in the even years. 
b Yields of corn in pounds of fodder. No grain produced. 
