24 
BULLETIN 1175, U. S. DEPARTMENT OE AGRICULTURE. 
growing period being from 1 to 2 weeks longer. A plat of C. I. No. 
71 is shown in Plate II, Figure 2. The latest addition to the varietal 
experiments, Reed kafir (C. I. No. 628), seems to stand between 
the other two varieties in length of growing period, being nearer to 
C. I. No. 204 in this respect than to C. I. No. 71. 
Table 9. — Agronomic data for kafir varieties grown at the Woodward Field Station 
during the 8-year period from 1914 to 1921, inclusive. 
[Iu the statement of yields of grain per acre the bushel is rated at CO pounds.] 
Row 
space. 
Length of period. 
Yields per acre. 
Variety and 
Stalks 
per 
Stalks Height 
head- of 
Grain 
in 
year. 
Plant. 
Stalk. 
Vege- 
tative. 
Fruit- 
ing. 
Total. 
plant. 
ed. 
plants. 
crop. 
Total, 
crop. 
Grain. 
BLACKHULL. 
C. I. No. 207: 
In. 
In. 
Days. 
Davs. 
Days. 
P.ct. 
Fat. 
P.ct. 
Lbs. 
Lbs. 
Bus. 
1914 
14.1 
10.7 
81 
32 
113 
1.31 
74.9 
3.5 
19.3 
2, 655 
513 
8.5 
1915 
12.7 
8.4 
71 
42 
113 
1.51 
61.4 
5.7 
21.8 
6,570 
1,431 
23.8 
1916 
9.0 
8.5 
74 
42 
116 
1.05 
23.0 
3.0 
3.5 
1,530 
54 
.9 
Average.. 
11.9 
9.2 
75 
39 
114 
1.29 
53.1 
4.1 
14.9 
3,585 
666 
11.1 
C. I. No. 204: 
1914 
13.1 
10.2 
81 
32 
113 
1.29 
74.1 
3.5 
28.1 
1,890 
531 
8.8 
1915 
10.0 
6.6 
67 
46 
113 
1.51 
79.3 
5.5 
20.8 
6,525 
1,359 
22.6 
1916 
9.0 
8.5 
74 
44 
118 
1.06 
38.9 
3.0 
8.3 
1,750 
145 
2.4 
1917 
11.5 
5.7 
108 
42 
150 
2.01 
76.3 
5.0 
22.9 
5,850 
1,341 
22.3 
1918 
12.2 
9.4 
83 
30 
113 
1.31 
66.5 
4.0 
16.9 
2,880 
486 
8.1 
1919 
12.4 
9.0 
81 
32 
113 
1.37 
73.7 
4.0 
25.5 
4,950 
1,260 
21.0 
1920 
13.2 
8.6 
87 
36 
123 
1..54 
67.1 
4.3 
33.0 
3,881 
1,283 
21 A 
1921 
12.0 
10.3 
71 
34 
105 
1.17 
90.2 
4.7 
38.8 
4,243 
1,646 
27 A 
Average. . 
11.7 
8.5 
82 
37 
119 
1.41 
70.8 
4.3 
24.3 
3,996 
1,006 
16.8 
C. I. No. 71: 
1917 ".. 
13.5 
6.3 
120 
30 
1150 
2.14 
91.3 
5.0 
20.7 
8,500 
1,760 
29.3 
1918 
12.1 
10.6 
88 
39 
127 
1.14 
26.2 
3.5 
4.5 
2,750 
125 
2.1 
1919 
12.9 
11.9 
86 
41 
127 
1.08 
91.3 
4.0 
30.0 
5, 940 
1,782 
29.7 
1920 
12.1 
11.2 
93 
42 
135 
1.08 
90.7 
4.5 
34.9 
6,043 
2,108 
35.1 
1921 
12.5 
11.3 
78 
34 
112 
1.11 
96.4 
5.0 
40.5 
5,721 
2,314 
38.6 
Average. . 
12.6 
10.3 
93 
37 
130 
1.31 
79.2 
4.4 
26.1 
5,791 
1,618 
27.0 
C. I. No. 628: 
1920 
12.5 
11.0 
85 
40 
125 
1.14 
95.4 
5.0 
35.1 
6,493 
2,276 
37.9 
1921 
13.0 
11.4 
72 
36 
108 
1.15 
98.1 
5.9 
36.8 
6,143 
2,194 
36.6 
SUNRISE. 
C. I. No. 472: 
1914 
13.1 
10.4 
71 
36 
107 
1.27 
85.1 
4.5 
38.3 
1,620 
621 
10.3 
1915 
9.1 
4.8 
66 
45 
111 
1.89 
59.9 
7.3 
21.8 
10, 575 
2,340 
39.0 
1916 
8.9 
7.8 
73 
44 
117 
1.15 
71.1 
5.0 
10.4 
3,550 
370 
6.2 
1917 
9.8 
3.9 
108 
42 
150 
2.49 
97.1 
7.0 
21.9 
10, 125 
2,214 
36.9 
1918 
12.0 
7.9 
79 
34 
113 
1.52 
68.1 
5.0 
17.1 
3,375 
576 
9.6 
1919 
12.2 
5.9 
81 
41 
122 
2.06 
88.4 
6.0 
24.3 
9,315 
2,264 
37.7 
1920 
12.8 
6.9 
85 
38 
123 
1.85 
95.4 
6.1 
27.0 
7,875 
2,126 
35.4 
1921 
10.2 
8.4 
69 
34 
103 
1.22 
97.1 
6.7 
36.2 
5,850 
2,115 
35.2 
Average. . 
11.0 
7.0 
79 
39 
118 
1.68 
82.8 
6.0 
24.6 
6,536 
1,578 
26.3 
DAWN. 
C. I. No. 340: 
1914 
10.2 
7.0 
71 
36 
107 
1.45 
75.8 
3.3 
24.6 
2,900 
710 
11.8 
1915 
9.6 
5.7 
70 
41 
111 
1.68 
54.9 
5.2 
24.9 
9,315 
2,322 
38.7 
1916 
9.1 
7.9 
73 
46 
119 
1.15 
46.9 
3.5 
9.3 
2,300 
215 
3.6 
1917 
10.3 
4.3 
108 
42 
150 
2.41 
96.5 
4.8 
23.7 
8, .505 
2,016 
33.6 
1918 
12.2 
7.7 
79 
34 
113 
1.59 
62.2 
3.7 
14.7 
3,150 
464 
7.7 
1919 
12.1 
6.8 
81 
41 
122 
1.77 
86.8 
4.0 
26.2 
6,975 
1,827 
30.4 
1920 
12.2 
7.7 
85 
38 
123 
1.58 
92.9 
3.9 
32.4 
5,906 
1,950 
32.5 
1921 
11.7 
10.8 
69 
34 
103 
1.08 
97.3 
4.4 
39.5 
4,838 
1,913 
31.9 
Average.. 
10.9 
7.2 
80 
39 
119 
1.59 
76.7 
4.1 
24.4 
5,486 
1,427 
23.8 
In 1917 Blackhull kafir (C. I. No. 71) was about 50 per cent ripe when killed by frost on October 12. 
