490 
Journal of Agricultural Research 
Vol. XXI, No. 7 
results in materially higher yields for the plots when these rows are 
included as compared with results when they are removed before harvest 
{2). These increases in yields are given in Tables IV and V. 
Tabli$ IV. —Comparisons of increases in yields in bushels per acre and in percentage of 
oats sown at different rates in pounds per acre, with no border rows removed and with 
one border row removed from either side of each plot, based on the yields as 100 with two 
border rows removed 
Yield per acre. 
I ncrease in > 
ield per acre. 
Location and rates of seeding 
(in pounds per acre.) 
No 
border 
rows 
removed. 
Outside 
border 
rows 
removed. 
Both out¬ 
side and 
inside 
border 
rows re¬ 
moved. 
No border rows 
removed. 
One Ixirder row 
removed. 
Morris Substation: 
Bushels. 
Bushels. 
Bushels. 
Bushels. 
Per r 'ut. 
Bushels. 
Per cent. 
4 »... 
48. 0 
40.7 
36. 8 
11.3 
30. 3 
3 - 9 
10. 6 
64. 
54 - 0 
44 - 7 
41. 2 
13 . 8 
3 1- 1 
3 - 5 
8-5 
80. 
59 - 9 
So. 4 
45-8 
14. i 
30 - 7 
4. 6 
10. 0 
96 . 
58 . 7 
49. 8 
45 - 4 
13 - 3 
29. 3 
3 - S 
7 7 
I 13 . 
55 -0 
45 - 1 
43 - 4 
11. 6 
36. 8 
i- 7 
3 9 
Average.. 
55 - 1 
46. 1 
43 . 5 
13 . 6 
29. 6 
3 - 4 
8. t 
University Farm: 
48 . 
80. 4 
72. 0 
73 - 3 
8. 1 
11. 3 
— 0. 3 
— 0. 4 
64. 
80. 5 
70. 9 
72. 3 
8-3 
ii- 5 
— i- 3 
— . 3 
80. 
93 - 0 
75 - 7 
76. 1 
16. 9 
32 . 3 
- -4 
96 . 
88. 8 
79 - 5 
79 - 3 
9 - 5 
12. O 
. 3 
. 2 
113 . 
86. 9 
75- 8 
75 - S 
ir. 4 
IS- 1 
• 3 
• 4 
Average. 
85- 9 
74. 8 
7 S- 1 
10. 8 
14 - S 
— -3 
— . 1 
Table V. —Comparison of the increases in yield due to border effect of oats, wheat, and 
barley in bushels per acre and in percentage based on the yields with three, two, and one, 
border row removed in 1918, and on yields with two and one border row removed in 191I, 
at University Farm, St. Paul, Minn. 
Crop. 
Number of 
border rows 
removed from 
either side 
of each plot. 
1918 
1917 
Yield 
per 
acre. 
Increase in yield per acre over that 
secured with— 
Yield 
per 
acre. 
Increase in yield per acre 
over that secured with— 
One border 
row 
removed. 
T wo Ixjrder 
rows 
removed. 
Three 
border rows 
removed. 
One border 
row 
removed. 
'I'wo border 
rows 
removed. 
(None. 
Bush. 
83 - 4 
75 - 9 
75- 3 
74-3 
40. 8 
36. 4 
35-8 
35 - 1 
s 8-3 
S 3 - a 
S 3 - 0 
Si -4 
Bush. 
P. ct. 
Bush. 
P. ct. 
Bush. 
P. ct. 
Bush. 
80. 5 
73 - 6 
71. 4 
Bush. 
P. ct. 
Bush. 
P.ct. 
JOne. 
7 - S 
9. 87 
8. 2 
• 7 
10. 90 
-93 
9. 1 
1. 6 
• 9 
12. 25 
2- 15 
I. 20 
6. 9 
9 - 38 
9 - 1 
3. 3 
12 . 74 
3-08 
uats. 
Wheat..... 
Barley. 
) Two. 
[Three. 
(None. 
. 
One. 
4-4 
12. 09 
S-o 
.6 
13 - 97 
1.68 
5 - 7 
i- 3 
• 7 
l6. 24 
3 - 70 
I. 99 
29. 3 
27 - 3 
3-3 
11. 30 
5 - 31 
I. 90 
19. 05 
6. 96 
Two. 
Three. 
(None. 
Si- 4 
45 - 8 
43. 9 
JOne... 
5 - 1 
9 - 59 
6- 3 
1. 2 
12. 13 
3 . 31 
6. 9 
1.8 
.6 
13 - 43 
3 - 5 ° 
1. 17 
5- 6 
12. 23 
8.5 
3. 9 
19. Hi 
6. 76 
|Two. 
[Three. 
;r;;" 
