EXPERIMENTS WITH SINGLE-STALK COTTON CULTURE. 
25 
cable for the writer or any of his associates to inspect this experi- 
ment at any time during the season. 
There were 18 rows in the experiment, and the two systems of 
culture were compared in alternate rows. Three pickings were made, 
and the row yields for each picking as reported by Mr. Laughinghouse 
are given in Table XIX. 
Table XIX. — Row yields obtained in a single-stalk culture experiment with cotton 
conducted in 1915 by Sujpt. W. M. Laughinghouse on the Rockwell Farm of J. L. 
Roper at Riverdale, N. C. 
Yield of seed cotton (pounds). 
Row. 
First picking. 
Second picking. 
Third picking. 
Total. 
Single 
stalk. 
Old 
method. 
Single 
stalk. 
Old 
method. 
Single 
stalk. 
Old 
method. 
Single 
stalk. 
Old 
method. 
No.l 
63 
66 
71 
82 
73 
74 
81 
59 
51 
48 
45 
51 
71 
68 
60 
59 
58 
50 
58 
53 
42 
43 
47 
43 
18 
31 
27 
55 
41 
33 
24 
25 
32 
27 
21 
16 
5 
4 
6 
6 
7 
6 
6 
4 
3 
7 
3 
3 
2 
3 
5 
2 
6 
2 
126 
123 
119 
131 
127 
123 
105 
94 
81 
110 
No. 2 
No.3... 
89 
87 
No. 4 
97 
No. 5... 
96 
No. 6 
97 
No. 7... 
88 
No. 8 
85 
No. 9 
68 
Total 
620 
110 
22 
510 
362 
88 
32 
274 
47 
14 
42 
33 
1,029 
212 
26 
817 
Increase per cent. . 
Table XIX shows that single-stalk culture yielded more than the 
old method in every instance but three, namely, the second picking 
of row 7 and the third picking of rows 1 and 8. Single-stalk culture 
yielded 110 pounds, or 22 per cent, more at the first picking; 88 
pounds, or 32 per cent, more at the second picking; and 14 pounds, 
or 42 per cent, more at the third picking, making a difference in total 
yield of 212 pounds, or 26 per cent. 
The Peterson experiment. — Mr. B. C. Peterson, of Vanceboro, 
planted King cotton on April 23. The soil used was sandy loam and 
the cotton was planted on low beds in rows 4 feet apart, about one- 
half bushel of seed per acre being the rate used. The seed germinated 
fairly well, but wet and cold weather following injured the stand, 
leaving several skips in each row. While these skips were not 
serious in the old-method rows, in the single-stalk rows they prevented 
a satisfactory test of this system. The fact that it was possible to 
apply single-stalk culture to parts of the rows, however, makes it 
possible to gain from the yields reported an idea of what might have 
been expected had it been possible to apply the system to the entire 
length of the rows. 
There were 20 rows in the experiment, and the two systems of 
culture were compared in alternate rows. The old-method rows 
were thinned on May 23, when the plants, which were 4 to 6 inches 
