Apr. i, 1921 
Effect of Time of Irrigation on Kernel Development 
3i 
Table I .—Average length , lateral diameter , dorsoventral diameter , and percentage and 
weight per kernel of dry matter , water , nitrogen , and a^/i in kernels of Hannchen barley 
sampled at 24-hour intervals from eight plots variously irrigated at the Aberdeen Substa¬ 
tion , Aberdeen , Idaho , in ipiy 
PLOT I 
Lateral 
diam¬ 
eter. 
Dorso- 
ven- 
Percentage of weight per 
kernel. 
Weight per kernel. 
Date. 
Length. 
tral 
diam¬ 
eter. 
Dry 
mat¬ 
ter. 
Water. 
Nitro¬ 
gen.« 
Ash.« 
Wet 
weight. 
Dry 
mat¬ 
ter. 
Water. 
Nitro¬ 
gen. 
Ash. 
July is. 
Mm. 
2.27 
Mm. 
1. 26 
M m. 
15-9 
84.1 
3-75 
Mgm. 
1.9 
Mgm. 
0.3 
Mom. 
1. 6 
Mgm. 
0.01 
M gm. 
16. 
2.88 
1.32 
0. 74 
16.0 
84.0 
4-32 
7.91 
3 *o 
• 5 
2- 5 
. 02 
0.05 
17 . 
18 . 
3-93 
6.05 
7.91 
8. 78 
i -39 
i *57 
1.79 
1.94 
.82 
.90 
1.16 
19.1 
20.1 
80.9 
79-9 
78. 0 
77.6 
3» 06 
7.41 
6.14 
4.11 
4-5 
8.0 
12. 7 
•9 
1.6 
2.8 
3-6 
6.4 
9.9 
•03 
.06 
.09 
. 12 
20. 
1.30 
22.4 
2. 27 
4.22 
15-8 
3-5 
12.3 
.08 
•15 
21. 
9-32 
2.10 
1.48 
24.1 
75-9 
3 -14 
3-54 
19. 2 
4.6 
14-5 
•13 
.14 
22. 
9. 81 
2-51 
1. 71 
25.8 
74 - 2 
2-33 
3-50 
25 - 7 
6. 6 
19.1 
•15 
• 23 
23. 
9. 96 
2. 80 
1.90 
28. 5 
7 i -5 
2. 07 
3-64 
3 i-o 
8.8 
22. 2 
.18 
•33 
24. 
9 - 83 
2.86 
1.90 
30.9 
69.1 
2- 13 
2. 92 
32. 7 
10.1 
22.6 
. 22 
•30 
25. 
9. 80 
3-02 
2.05 
33-6 
66.4 
1.94 
2.91 
36.0 
12.1 
24.0 
•23 
•35 
26. 
9-77 
3-09 
2.06 
36. 2 
63.8 
I. 96 
2.67 
38.2 
13-9 
24.4 
.27 
•37 
27. 
9.98 
3-30 
2. 25 
37-4 
62.6 
2.03 
2. 73 
44.6 
16.6 
28.0 
•34 
•45 
28. 
10. 02 
3-47 
2-33 
39 * 5 
60. 5 
I. 98 
2. 42 
48. 2 
19. 0 
29.1 
•37 
.46 
29. 
9. 84 
3 * 5 ° 
2.42 
41.2 
58.8 
2.03 
2. 46 
49.0 
20. 2 
28. 8 
.41 
•50 
30. 
9.99 
3-59 
2. 50 
43-6 
56.4 
2 . OI 
2.19 
53 -o 
22.8 
30- 2 
.46 
•50 
31 . 
8. 83 
3 - 56 
2. 54 
45-5 
54-5 
2. 12 
2.32 
52. 2 
23 - 7 
28. 5 
•50 
•55 
Aug. 1. 
9.10 
3- 62 
2.51 
48.1 
Si -9 
1.99 
2. 26 
54-8 
26. 3 
28. 4 
•52 
•59 
2. 
8.87 
3-59 
2-54 
48. 7 
51-3 
I.90 
2. 03 
53*3 
25-9 
27.4 
•49 
•52 
3 . 
8.87 
3 -61 
2-59 
50.3 
49 - 7 
1-95 
2.05 
55-8 
28. 1 
27. 8 
•55 
•58 
4 . 
8.96 
3-60 
2. 64 
50.8 
49-2 
2. 02 
1.97 
56-3 
28. 6 
27. 7 
•58 
•56 
5 . 
8.66 
3-60 
2. 62 
52-9 
47.1 
1. 89 
1.94 
55-9 
29 * 5 
26. 4 
•56 
•57 
6. 
8. 78 
3 - 57 
2. 67 
55-1 
44.9 
2. 00 
1. 89 
56. 6 
3 i- 1 
25 - 5 
.62 
•59 
7 . 
8-77 
3* 60 
2.68 
56.4 
43-6 
2. 27 
1-93 
58. 0 
32. 6 
25-4 
•75 
•63 
8. 
8- 53 
3 - 53 
2.64 
57-2 
42. 8 
2. 28 
1.88 
56 - 1 
32.0 
24.1 
.76 
.60 
PLOT 2 
i. 2 
X # 3 
0.8 
l8. I 
81.9 
3.15 
3 * 4 
0.6 
2.8 
0.02 
17. 
j* • 
3-4 
1-4 
•9 
l8. 9 
81.1 
2. 63 
4. 88 
4-3 
.8 
3-5 
. 02 
18. 
5- 6 
*• S 
•9 
I9.9 
80. X 
2-43 
6.33 
7.0 
1.4 
5-6 
•03 
19. 
6.6 
1-7 
1.0 
21-3 
78.7 
2.11 
5-62 
8.8 
1.9 
6.9 
.04 
20. 
7-9 
1.8 
X. 2 
22. I 
77-9 
2. 26 
4.91 
13-0 
2.9 
10.1 
.07 
21 T . 
9. 0 
2. O 
I. 4 
23. s 
76. 5 
2.17 
17. 5 
4.1 
13- 4 
.09 
22. 
9.6 
2.4 
x -7 
25.6 
74-4 
2.38 
3-48 
24- I 
6.2 
17.9 
. 11 
23. 
9.4 
2* 6 
x. 8 
27.8 
72. 2 
4-33 
3*79 
26. 9 
7-5 
19.4 
•35 
2 A . 
0 . 7 
2.8 
x. 9 
29.8 
70. 2 
2. 28 
31. 5 
9. 4 
22.1 
. 21 
.. 
2 C 
y / 
0. C 
2.8 
x. 9 
32.4 
67.6 
2.14 
31.1 
10.1 
21. 0 
. 22 
*0 . 
26* T . . . . 
y 0 
9 * 9 
3 *o 
2.0 
34 * 0 
66.0 
1. 97 
3 <>- 3 
12- 3 
24. 0 
• 24 
27. 
9. 7 
3.3 
2.1 
36. 7 
63.3 
2.16 
40. 6 
14. 9 
25 - 7 
•33 
2 8. 
9. 8 
3.3 
2.2 
36.3 
63. 7 
2.32 
42. 5 
15. 4 
27.1 
• 36 
20. 
9. 7 
3 * 3 
2 * 3 
40.4 
59 * 6 
2. 27 
42. s 
17.1 
25 * 4 
•39 
*y•••••• 
20. 
9. 8 
3. 5 
2 * 3 
4 3 > 3 
57. 7 
2. 02 
46. 7 
19. 7 
27. 0 
. 40 
8. 6 
2 m A 
2. 4 
45. 8 
54 * 2 
2 . II 
48. 3 
22. 2 
26.1 
. 46 
... . 
I. 
8.8 
o* *t 
3.4 
2 * 4 
45 * 9 
54 « 1 
2. l6 
47. 7 
21. 9 
25. 8 
• 47 
2. 
8. 7 
3. 5 
2. 5 
47 * 2 
52.8 
2* 22 
51. 9 
24. s 
27 * 4 
• 54 
8. 7 
1. A 
2. 3 
50. 2 
49. 8 
2« 41 
45. 9 
23. 0 
22. 9 
• 55 
A . 
8.5 
3. 5 
2 * 4 
50. 7 
49 * 3 
2. 56 
47. 5 
23.8 
23 * 7 
. 61 
c .... 
8. 7 
2. 6 
51. 5 
48. 5 
2. 30 
52. 2 
26. 9 
25. 3 
. 62 
J.. 
6 .... 
8.3 
O O 
3. 2 
2. 3 
57. 0 
43 * 0 
2. 39 
44. 3 
25. 2 
19.1 
. 60 
7. 
8.3 
3. 3 
2 * 3 
59 * 9 
40.1 
2. 36 
45 * 4 
26.6 
18.8 
• 63 
8 .... 
8. 6 
3 * 4 
2 * 5 
60. 2 
39* 8 
2. 54 
49. 7 
29.8 
19. 9 
• 76 
9 . 
8-3 
3-2 
2-4 
91. 8 
8.2 
1-74 
43-2 
39-6 
3-6 
.69 
o. 05 
.09 
. 12 
•13 
.27 
. 26 
o On dry-matter basis. 
