COTTON-SPACING EXPERIMENTS é 
TABLE 2.—Comparative yields in cotton-spacing experiment A (unthinned, 6-inch, 
and 12-inch spacings), Greenville, Tex., 1922 
{The rows in both sections were 150 feet long and were planted May 19, thinned June 29 (when the 
plants were 8 to 10 inches high and were bearing 9 or 10 true leaves), and picked Sept. 21] 
Section 1 Section 2 
3 Row . 
Spacin Yield of Yield of 
neice No. /|Number| seed | Number! seed 
of plants | cotton | ofplants| cotton 
(pounds) (pounds) 
1 407 | 41 444 4.2 
3 3. ; 
Unthinned(blockol) 22-2 = oF eS ee sees oe es 3 ey ae an op 
4 376 | 3.6 315 4.4 
Tite Pete aie ed iol 2 og eo are efeeces 1, 581 15.2 | 1, 490 16.4 
——— Se El 
1 268 4. 1 273 4.1 
: 2 255 3. 211 qe 
POEL DDE S fo pacecene 8 23 ca a eee 3 257 3.9 252 4.5 
4 261 4.3 230 | 4.3 
TENS) Doe 22k nee geen per epee mene Renal 1,041] 16.1 966 16. 6 
1 155 3.4 151 3.7 
155 4.1 142 : 
STROSS 8) Leos c ose n 5 ceeseoses Se ee eee ee eae 3 144 3.4 150 - 3 
4 152 | 3.4 153 al 
Pata tcstae penis eee ee a 606| 143 596 | 15 
1 390 | 4.5 411 | 4.4 
Wnthumned (block ieee = Mae ee ee 5 aaa ae Welw 
Tipe Sa 336 4.2 277 4.2 
TSE ee I ee es eat ee Ve 1, 546 16.5 | 1,387 | 16. 1 
| 1 222 2 4 237 4.3 
: 2 264 Eg 209 Y 
6-inch (block 5)..------------------------------------.--. 3 235 3.6 250 ae 
il 4 255 4.2 232 4.8 
Potala cee werent ee eS 976 15.1 928 17.4 
Wet: 157 ae 151 3.6 
ig-tricke (olpees6) eee a Eee eis | cae ee | a 
4 140 | 3.0 145 3.8 
PEGLEN slo Ss CU al ete ee ae Ets Uc, om eel 598 14.2 603 14.7 
| 
1 516 4,4 450 3.9 
MurtHiaeiedilock ya) 2k at as 5 aoe a aon ae 
4 610 3.9 514 3.3 
retains Ses oer 2 es ee le [a 2, 138 15.5 1, 928 14.0 
} ——K 
ean 265 3.3 260 3.9 
cli Pig aee ete seule” <Sreslna ioe ae 
i ioe 259 | 4.4 256 4.0 
SEG) Gil ls teh sale reels Seige: ad RRL ae 1, 055 15.1 1, 029 15.1 
1 154 3.3 201 3.8 
Remirichn( Mocks ies eter ts he 2s ee Bt Rg 3 a cat i a 
4 144 3.2 145 3.4 
TYNES _ il 2 dete QO Re ccc ge ea | Bee ot 596 14.2 660 13.7 
EXPERIMENT B 
Yields from a second comparison of 6-inch and 12-inch spacings 
with unthinned rows (experiment B) are given in Table 3 and are 
shown graphically in Figure 3. The entire crop was harvested at one 
picking, which was done September 25. 
