GRAIN-SORGHUM EXPERIMENTS IN THE PANHANDLE OF TEXAS. 43 
TaBLE XIII. SS ewanoni data for White durra grown at the Amarillo Cereal Field 
Station during the 9-year period from 1908 to 1916, inclusive. 
[In the statement of yields per acre the bushel is rated at 58 pounds. | 
Row space. | Length of period. 5 . Seed in— | Yields per acre. 
@ ; 
| : & = | 
! wa z g 
Year and bo | z so & S S 
C.I. No. Ba | w | 2 Fhe | sOrey lagounla Sl 
mn es 3 S SD an = A » a a (5) A 
— > -—c o ~ Gq . nm = mo 
= 24 © = am | 4 5) ab ‘s 3, S 3 S a 
SATS ah eae Fhe Sy SSeS PERE IS PENN be 1H 3 
Pa Ol 4) Pa es coder eet tae ip or lori | seats lle 
1908 Ins. | Ins. | Days.| Days.| Days. i. Cte Pret. | Meet) | Pa cbs)|\ Becta Pee 0s. || 0s: |e Bhs: 
PA cfd Ae tach ee 71 4.2 68 28 OGR E405 85 Pesan DAO ee eee See ee as escestesSaea ae 31.6 
co See eee S: 6) |) 9:3 63 30 93 ae hae GROWERS Sate sae AE ee esas oe (Pas og Se 2 35.7 
EDO er eee (tec Das |e eee CO | tae cc Pao eyerees | ere ater eel aes ot ace ace alts rg Lee sre calli ea eee ae 
ees 8.7 | 4.7 78 BAe eID ABS Oe a eereem's tea cp ee eo ets RAID Tne ll ey ek Seo | ep 
PAN (oe os ER IORI See Te Ge ae roe ara Beeremic tines tte GQ ER SSS sin ect Se SSE | ie a gine ea 
DAS eke mere ah: 11.8 | 5.6 77 S40 | iene O25 55 eee Us 0) i hese ee a Neel n E [ook eps | eee ue Soa 
283 Meaetabeste rains nea | ee 67 28 ETS Uae PR Fale [eee MR ee = Ne 
Average.| 9.0| 4.9|. 72| 31| 101 | 44.4 |....:. Fein alate eee Eee eu are alee 
1909 Pier peep veal = lal as ae 
Dili a Sa tere To eile 64 31 A) Mee WAR eae See ane ee aa £5 052: 9 | ES ere 12.4 
(Oy pate ie are 12.9 | 11.8 64 31 95 SO | esceracsleeeesere ll oeee ail ere eee Zn 1 ee ee eee ae Voll 
DAA ae ental ae 13.2)\> 839 77 pee TUBER Gi ea sesellad detest Soe nes| Gee see (a) 5c!) a [ey ete eal | ee te PND) 
DNS a es eal UO 953 93 SS} fk lf L234 | a Nee a 635 OnlaaesS sere 7.0 
Averace Mies fois aes oo? | lok tel ee (75503 (eee naan 12.1 
1910 
PAL RR Oe ES 14.8 | 14.8 70 26 96.; 0 |100.0 | 5.0} 64.5 | 34.0 | 52.7 |1,993 |1,286 | 11.7 
SI a sen 12.8 8.1 59 38 97 | 36.7 100.0 5.0 | 61.8 | 31.0 | 50.2 |1, 866 |1, 154 10.0 
7s NABER E ea EEE a 24.7 | 11.4 78 38 | 116 | 53.8 |. 75.1 CGS (Oe ee pee cel ae eat Meare | But tet sitters 8.8 
DAG R lets den 47.9 | 15.0 95 O2) U2 Te POSsOn eel tae Om een US ote |b nae | Pe ee ee pe 7.8 
Siigese mene gan 34.4 | 22.3 70 51 UPA Valse Rl sts see lessee | eal Speier Bee eee eee 
Average.| 26.9 | 14.3 74 37 | 111 | 38.8 | 72.9 | 4.8 | 68.1) 32.5 | 51.4 |1,929 |1, 224 9.6 
1911 
Pd (es ea aa Sharla 9 64 38} 102} 5.1 /100.0] 6.5 | 59.8 | 39.8 | 66.5 |4,582 |2,742 |} 31.5 
SUR Sea ieee 12.8 | 10.0 64 38 | 102 | 22.1. /100.0 | 6.0 | 44.7 | 27.6 | 61.8 |5,539 |2,479 | 26.4 
Average.| 10.5 8.9 64 38 102 | 13.6 |100.0 6.2 | 52.2 | 33.7 | 64.1 [5,060 |2,610 28.9 
1912: 
7a (See Bet |e 2.7 71 Soh) PLO Ee es 95.2 | 4.0 | 47.4 | 24.0 | 50:7 |3,440 |1,630 | 14.3 
tell eee 4.7} 4.5 71 33 104 | 5.0 | 94.6] 4.3 | 65.8 | 41.1 | 62.5 |3,420 |2,252 | 24.3 
ARMS FF ele e SE P3 BP 76 28) | 2 LOS Ses Sa IEP SiO | Seatac | eee ee Sho S633 | hee 13.7 
Average.|) 4.2 | 4.1 73 31 104 1.6 | 91.5 | 3.9 | 56.6 | 32.5 | 56.6 |3, 341 |1, 941 17.4 
1913: 
Py fe raaetee er wee 5.1 | -4.7 Ose eemies || Soecee Sion leescee UH Be eee ee Hp fee Leven Les 
Shes ee 4.4 | 3.9 GOR ase | eee ONSsleals se: EL OPES SETAE RD STA PR She Seas Ne rs ae ee 
eee 4.8 | 4.3 GO), | [Eosaaal tence QeOiless es We On enters Web oeoelfsceeSelicasSadicuS-cel|seiss = 
Average.| 4.7] 4.3 (V/s Ses sealieeeaes OAs | eee AOE etapa eoevata ESE ase lle ecco Feces | 
1914: 
tong Sate een 7.9 | 6.3 58 31 SON S20 For 983 ON eb oleae o 44 8 les oooe 2°00 Seer 22.4 
5s 
Pee SGeeeree ees dE) LE faa Nate (5) 65 43 LOST SAE OS EO TE2H I Ooi eee AAT O) ee ape: 457605 |e ae 36.9 
16: 
(oe at eae eee 10:1 | 8.2 73 42 115 | 19.1 | 61.4 58) Jomucee PASets | ae clei S00F Eesaee 4.5 
It seems unnecessary to consider the White durras at any length, 
because none of them are of commercial importance. The following 
observations relate exclusively to the common American form, rep- 
resented by Nos. 27 and 81, which is the only type having promise. 
It will be noted that this form is very early in maturing. The 
shortest growing period was 89 days, in 1914, ‘and the longest 115 
