RICE EXPERIMENTS IN CALIFORNIA. 
31 
able 23. — Annual and average yields of 35 varieties and strains of rice grown at the 
Biggs Rice Field Station, Biggs, Calif., during the 9-year period from 1913 to 1921, 
inclusive. 
Yield per acre (pounds j. 
Type, group, and 
varietr. 
C.I. 
No. 
1913 1914 1915 1916 1917 1913 1919 1920 1921 
SHORT GRAIN. 
Early group— 
Spaenuolo 
Do 
Novarese 
Colusa 
Unnamed 
Swamp 
Benlloch 
Sue Hero 
Midseason group — 
Caloro 
Wataribune 
selection 
Do 
Do 
Butte 
Fukuyama 
Kokuryo-Miyako 
Selection No*. 161. 
Selection No. 175. 
Selection No. 204. 
Tokvo. Selection 
No. 209 
Late group — 
MakunoUchi 
Wataribune 
Omachi 
Shinriki 
Takenari 
Tse-Nishiki 
Selection No. 114. 
Selection No. 115. 
MEDIUM GRAIN". 
Earlv group— 
Pilit 
Midseason group- 
Early Prolific 
Late group — 
From Ceylon 
Do 
Average. 
1913 
t« 
1915. 
3,267 
1914 
to 
1918. 
.3,352 2,529 
.2,976.. 
1918 1913 
to to 
1921. 1921. 
15824,200 2.400 3.200 
15853,401 3.675 2,9^0 1,700 2,210 2,080... 
15983,598 2.400 2,930 1.930 2.030 
1600 3; 559 ! 3, 2-0 : 3, 307 4,000 2,320 1,500 1,750 1,730 3,2991,825 
1992 3,280 1.620 1,600 
1,350 
1,700 
3,952 2,130 
200S 1 3; 360 2, .500 
2052 1 3,190 2,540 
' 3,952 2,130 2 890 2400. 
I 
1561-1 3 5,439 3,904 1,73012,610. 
1,843 
3, 421 
1561-2 3 4,863 2,805 2,020 3,010 3,174 
1561-3 '5,949 3,960 2,640 3,130 3,920 
1561-4 35 ; 604 2,860 2.5-50 2,900 3,479 
1564 4,500 5, 010 i 5, 593 13, 800 4, 540 1,510 2,220 1,830 2,100 5,034 4,0911,915 3.456 
2293 2,600 1,820 2.460 
2335 2, 510 2, 900 2, 000 2, 210 2, 405 
3,090 3,320 1,820 2,700 2,732 
3,250 2,1.50 2,890 
3,000 2,800 2,340 2,310 2,612 
4,-500 2,650 2,1.50 2, 
3,070 
1308 3 300 6 230 5 360 4 963 
1561 5, 350 6^ 650 6' 870 "4,"-420 *4*905 *3,*435 52,' 854 *2*4l6 '2,*3S0 6, 290 5, 2.56 2, " 
r0 4,364 
1573 5,250*6, 555 6,480 4,280 4, .500 
1642 5,420 6,730 6,020 3,990 4,220 
2295 ' 
2332 
2,910 
2, 730 
2,610 2,530 
2, 790 « 1,780 
2.140 
2,900 
2,330 
3,100 
3.870 
2,680 3,250 
2,4.50 
2,590 
2,690 
3,140 
813,550 4,450*4,580 3,300 3,470 1,630 
1241 3,50012,677 
1258 4,320 3,690 
LONG GRAIN. 
Midseason group— 
SelectionN 0.113.. 
Late group- 
Honduras 
Carolina White... 
Carolina Gold — 
1643 3,240 2,930 3,720 
2,370 3,260 1,1 
U,920 2,590 2,450 
12,147 3,040 2,220 
2, 890 6, 095 4. 945 2, 735 4, 223 
2, 500 6, 057 4, 738 2, 4.50 4, 020 
2,150 
2,420 2,562 
2, 520 2, 995 
2,910 2,995 
4,1933,486 
2,040 2,337 
2,627 
3,0S3 
2,600 3,200 2,250 2,400 2,612 
2,200 3,050 2,620 
1644 3; 600*3, 975 3; 945 2,130 3,200 2,820 
1645 4,300*3,555 3,750 1,850 2,840 2,570 
2,350 1,580 1,710 3,297 2,904 2,065 2,600 
2,150 1,120 1,350 3,840 3,214 1.860 2,699 
3,280 850, 1,650 3,868 2,913 2,*.'- 
1 Average yields from 3 tenth-acre plats. 
2 Damaged by birds. 
* Yields from one-third acre plats. 
* Average yields from 2 tenth-acre plats. 
* Average yields from 4 tenth-acre plats. 
6 Not fully mature when harvested. 
During the 3-year period from 1917 to 1919, inclusive, when grown 
on second and third year land, the short-grain late group, repre- 
sented by Wataribune, produced the highest average yields; the 
long-grain late group, represented by Carolina Gold, ranked second; 
the short-grain midseason group, represented by Butte, ranked 
third: and the short-grain early group, represented by Colusa. 
ranked fourth in average yield per acre. 
During the 3-year period from 1919 to 1921, inclusive, and the 
4-year period from 1918 to 1921, inclusive, when grown od third and 
