66 



BULLETIN 698, U. S. DEPARTMENT OF AGRICULTUEE. 



was the same. The difference in these factors does not seem suffi- 

 cient to explain the difference in ripening. It is said that under 

 humid conditions the Red kafir is naturally earlier than the Black- 

 hull. The season of 1915 approximated a humid condition in the 

 Texas Panhandle and the early ripening in that year may have been 

 the natural response of this variety to those conditions. 



Table XXIV. — Agronomic data for Red kafir 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 60 pounds.] 





Row 



space. 



Length of period. 



t.1 





o 



i 



M 



Seed 



in— 



Yields per 



acrp. 



Year and C.I. 

 No. 





 03 





.g 



bo 



a 



2 . 



o 



O 





o 



o 







1908: 

 34 



Ins. 

 8.0 

 12.0 



Ins. 

 6.5 

 7.0 



Days. 

 83 

 91 

 91 

 90 

 91 

 91 

 91 



Days. 

 31 

 30 

 32 

 28 

 34 

 33 

 33 



Days. 

 114 

 121 

 123 

 118 

 125 

 124 

 124 



Perct. 



18.7 

 41.7 



Percf. 



Feet. 

 5.5 

 5.5 

 5.5 

 5.5 

 5.5 

 5.5 

 5.5 



Perct. 



Perct. 



Perct. 



Lbs. 



Lbs. 



Bush. 

 42.7 



34-1 













30.1 



34-2. 















68 



12.4 

 12.1 

 12.2 

 12.1 



7.1 

 7.1 

 7.0 



7.2 



42.7 

 41.3 

 42.6 

 40.5 















37.0 



69-' 













27 7 



212 













28.7 



215 













32.0 

















Average. 



11.5 



6.9 



89.7 



31.5 



121.3 



37.9 







5.5 













33.0 

















1909: 

 34-3 



7.6 

 6.4 

 6.7 

 14.7 

 16.1 

 14.1 

 13.1 

 14. t) 



5.4 

 4.2 

 4.5 

 12.0 

 12.5 

 10.1 

 10.2 

 10.7 



94 

 94 

 94 

 93 

 91 

 94 

 94 

 93 







28.9 

 34.3 

 31.3 

 18.3 

 22.3 

 28.3 

 22.1 

 23.5 



8.4 

 4.4 

 14.5 

 52.1 

 58.0 

 29.1 

 29.9 

 27.9 















2.0 



34-4. 



















2 



34-5 



















2.0 



34 



















10.0 



68 



















10.7 



69 



















3.0 



212 



















4 6 



215 



















5.0 























Average . 



11.6 



S.7 



93.4 







26.1 



28.0 















4.9 























1910: 

 34. 



46.5 

 57.0 

 40.5 

 45.7 

 53.0 

 27.3 

 24.4 



17.6 

 19.5 

 16.8 

 16.3 

 16.5 

 9.1 

 13.0 



103 

 103 



ago 



103 

 a 90 



106 

 o90 



40 

 40 

 38 

 40 

 33 

 37 

 28 



143 

 143 

 128 

 143 

 123 

 143 

 118 



65.7 

 65.6 

 58.5 

 64.3 

 68.8 

 65.5 

 46.8 



48.2 

 45.7 

 25.8 

 43.6 

 30.0 

 42.5 

 38.5 



4.5 

 4.2 

 4.2 

 4.2 

 4.2 

 4.2 

 4.5 



16.8 



12.5 



7.5 



12.4 



8.7 



9.6 

 7.6 

 4.1 

 7.3 

 5.0 



58.0 

 60.8 

 53.8 



58.7 

 57.7 



3,216 

 3,326 

 3,526 

 3,653 

 3,438 



531 

 416 

 266 

 454 

 300 



5 2 



68 



4.2 



69 



2.4 



212.. 



4.4 



215 



2.9 



356 



7.5 



366 













10.7 

















Average. 



42.1 



15.5 



97.8 



36.6 



134.4 



62.2 



39.2 



4.2 



8.2 



6.7 



57.8 



3,432 



393 



5.3 



1911: 

 34. 



16.7 

 15.4 

 12.5 

 11.9 

 9.7 

 11.3 

 16.3 



10.9 

 10.0 

 8.0 

 7.6 

 6.8 

 7.8 

 10.4 



86 

 86 

 88 

 88 

 88 

 86 

 86 



46 

 46 

 44 

 44 

 44 

 46 

 46 



132 

 132 

 132 

 132 

 132 

 132 

 132 



34.8 

 35.1 

 36.2 

 36.1 

 30.5 

 31.5 

 ■36.5 





4.5 

 4.5 

 4.5 

 4.5 

 4.5 

 4.7 

 4.7 



39.1 

 35.5 

 33.9 

 36.8 

 35.3 

 42.3 

 660.3 



25.7 

 23.4 

 21.2 

 23.6 

 21.0 

 27.3 

 32.5 



65.7 

 65.5 

 62.7 

 64.2 

 59.0 

 64.5 

 64.6 



4,340 

 4,062 

 4,935 

 4,811 

 4,456 

 5,340 

 3,078 



1,700 

 1,442 

 1,675 

 1,771 

 1,576 

 2,260 

 1,859 



18 7 



68 



15 8 



69. . . 



17 5 



212 



19 



215 . 



15 6 



356.. 



24 3 



366 



20 







Average - 



13.4 



8.8 



86.8 



45 



132 



34.4 





4.5 



40.5 



24.9 



63.7 



4,431 



1,754 



18.7 



1912: 

 34 



68. . . .. 



16.8 

 16.8 

 20.0 

 15.9 

 17.1 

 16.2 

 16.8 

 48.0 



7.4 

 6.7 

 8.2 

 6.7 

 7.1 

 7.1 

 7.4 

 12.6 



a 88 

 a 88 

 o90 

 a 92 

 o92 



99 

 104 



95 



51 

 51 



49 



47 

 47 

 35 

 34 

 44 



139 

 139 

 139 

 139 

 139 

 134 

 138 

 139 



56.2 

 60.1 

 58.8 

 57.9 

 58.5 

 56.4 

 56.0 

 73.6 



19.8 



24.7 

 30.4 

 15.0 

 20.8 

 50.8 

 49.1 

 28.8 



4.2 

 4.5 

 4.5 

 4.5 

 4.2 

 4.5 

 4.5 

 4.2 



6.2 



6.8 

 7.0 

 4.4 

 5.3 

 33.8 

 10.9 

 5.5 



3.6 

 4.0 

 4.3 

 2.4 

 3.4 

 14.7 

 6.0 

 1.6 



57.2 

 58.3 

 61.4 

 55.5 

 64.5 

 44.8 

 55.2 

 30.2 



4,973 

 5,735 

 5,355 

 5,235 

 5,513 

 4,540 

 5,775 

 4,025 



313 

 395 

 375 

 235 

 293 

 1,495 

 635 

 225 



3.0 



3 8 



69 



3 8 



212 



2 2 



215 



3 1 



356 



11 2 



366 



5 8 



445 



1 1 







Average. 



21.2 



7.9 



93.5 



44.5 



138 



59.7 



29.9 



4.3 



9.9 



5.0 



53.4 



5,143 



496 



4.3 



a First and only heads. 



b Machine headed. 



