20 
BULLETIN 1473, U. S. DEPARTMENT OF AGRICULTURE 
TABLE 8.—Comparative yields in cotton-spacing experiment with chopped and un- 
thinned rows, Campbell, Tex., 1923 
[The rows, which were 100 feet long, were planted May 7 and chopped June 5 (when the plants were 5 to 
7 inches high and bearing five or six true leaves). 
one Oct. 14] 
The first picking was Sept. 10 and the second 
ene 
Spacing 
Chopped (block 5) 
Totalo saw ee Foe | | 
| Section 1 
| Yield cf seed cotton 
Row (pounds) 
No. | Num- 
ber of 
plants | First Second 
pick- | pick- | Total 
ing | ing 
1 96 S20 O08 4.6 
2 95 7M bl oon Se 5.2 
Hen Sl 83 3.8 9 4.7 
4 78 3.0 E2 4.2 
she 352 14°93 99929 18.7 
1 203 4.8 | 8 5.6 
2 200 4.8 | a7 5.5 
3 215 5.1 | 9 6.0 
4 125 4.4 | 9 5.3 
e0.b. EW ORE ES | toe 
tags 89 4.1 | .9 5.0 
th ae | 89 4.8 | “8 5.6 
3 81 7 Ea ey Bae 5.2 | 
three SE ZS | 5.7 
eee i 340} 17.6 | 3:9 | 21.5 
l(crl | = teem Pores 
2 143 4.4 i 5.5 
Si 42208 6.2 1.5 ra 
ee 237 6.3 rey, 8.0 
Mace 785 | 23.3 5.2| 28.5 
1 78 3.8 mgs 5.1 
2 96 5.4 1.5 6.9 
3 | 92 4.8 1.8 6.6 
4 84 4.4 1.2 5.6 
Be i See i el wa OBC: 5.8 | 24.2 
Pe) 207 7.2 beh 8.3 
2h. 55 6.1 fet 72 
3 215 6.8 1.5 8.3 
it 4: 233 5.9 7 7.6 
rome 810| 26.0 5.4] 31.4 
Section 2 
| 
| 
Num- 
ber of | 
Yield of seed cotton 
(pounds) 
First | Second 
pick- | pick- | Total 
ing ing 
9.3 2.2 6.5 
4.9 1.4 6.3 
5k 1.3 6. 4 
4.1 1.4 5.5 
18. 4 6.3 24.7 
5.8 eh 6.9 
pate 1.4 6.7 
6.0 lige G2 
6.0 1/0 7.6 
3% 1: 427) 27.8 
5.3 7h 6.0 
5. 6 1.0 6.6 
Rel Lok 6.2 
4.7 -8 5.5 
20. 7 3.6 24.3 
6.9 1.0 7.9 
4.7 .8 a 
6.0 Es: 7.3 
5.9 2 Gat 
23.5] 43\| 27.8 
owe 1.0 4.7 
4.4 1.0 5.4 
4.6 PF aves 
4.3 .8 jot 
17.0} 39 | /.20.9 
7.0 1.0 8.0 
5.6 age 6.4 
6.1 1.0 aay 
6.3 1.6 7.9- 
25.0 4.4 29. 4 
COMPARISON OF 12-INCH SPACING AND BLOCKED-OUT AND UNTHINNED ROWS 
In another experiment 12-inch spacing and unthinned rows were 
compared with rows which had been blocked out with a hoe. 
The 
term “blocked out” refers to rows in which several plants are left a 
hoe’s width apart, about half of the plants being removed. The 12- 
inch spacing was obtained by chopping out the stand to one plant to 
a hill approximately 12 inches apart. 
As is usually the case where 
the plants are chopped out with a hoe, the distance between the plants 
in the 12-inch spacing is slightly more than this distance. 
(Table 9.) 
