RICE CULTURE IN CALIFORNIA 
25 
During the six-year period from 1919 to 1924, inclusive, the short- 
grain mid-season group represented by Selections Nos. 1561-3 and 
1561-2 produced higher average acre yields than the short-grain late 
group representee] by Selections Nos. 115 and 114. The long-grain 
mid-season variety, Selection No. 113, produced a higher average acre 
yield than either the mid-season medium-grain variety Early Prolific, 
the long-grain late variety Honduras, or the early short-grain variety 
Colusa. 
Table 14. — Yields of 24 varieties and selections of rice grown at the Biggs Rice Field 
Station during the six-year period from 1919 to 1924, inclusive 
C I. 
I No. 
Acre yields (pounds) 
Type, group, and 
variety 
1919 
1920 
1921 
1922 
1923 
1924 
Averages 
1919 
to 
1921 
1922 
to 
1924 
1920 1919 
to to 
1924 1924 
SHORT GEAIN 
Early group: 
Colusa 
1600 
1,500 
1,750 
1,730 
2,000 
1,790 
3,150 
2,610 
3,200 
2,533 
2,200 
1,950 
2,510 
1,930 
2,170 
2,273 
2,910 
3,060 
2,497 
1,890 
2,100 
3.810 
2,442 
2,343 
1,660 
2,124 
2,101 
2,699 
2,716 
3,007 
2,597 
2,196 
2,300 
3,001 
1, 970 1, 892 
Mid -season group: 
Wataribune Selec- 
tion ._ 
Do 
Do 
Caloro 
Butte 
Fukuyama.. 
Selection No. 116.. 
1561-3 
1561-4 
1561-2 
1561-1 
1564 
2293 
3,960 
2,860 
2,805 
3,904 
2,220 
2,600 
3,005 
3,250 
2,640 
2,550 
2,020 
1,730 
1,830 
1,820 
2,200 
2,150 
1,820 
2,150 
2,000 
2,740 
3,130 
2,900 
3,010 
2,610 
2,100 
2,460 
2,290 
2,890 
2,360 
2,980 
2,210 
~3,~130" 

2, 673 3, 243 
2, 629 2, 770 
2,761 2,612 
2,761 • 2,748 
2,497 ; 2,050 
2,849 2,293 
2.684 1 2.498 
2, 773 2, 971 
2, 720 2, 743 
2, 810 2, 809 
2, 426 2, 673 
2, 103 2, 123 
2, 236 2, 297 
2.699 
Selection No. 175.. 
2,590 3,350 2,409 2,763 
2,150 i 3,320 2,651 
2,430 2,280 i 2,593 
1,870 1,410 | 2,370 
2,570 2,670 2,299 - 
2,800 2,340 2,761 
2,690 | 2,687 3,091 
2, 730 | 2, 670 1 2, 222 | 3, 100 
2,250 2.590 2.441 ; 3.027 
2,783 2,678 
Selection No. 127.. 
2,707 2,460 
Selection No. 209.. 
2,650 
2,900 
3,500 
Selection No. 161. . 
Selection No. 165.. 
2,513 - - 
Selection No. 134.. 
2,634 
2,823 
2,541 
Early Wataribune 
Late group: 
Selection No. 115.. 
3,250 
3,870 
2,854 
3,100 
3,260 
3,200 
3,140 
2,690 
2,410 
2,590 
1,680 
2,250 
2,910 
2,52a 
2,380 
2,420 
2,040 
2,400 
2.734 
2,820 
Selection No. 114.. 
2, 427 2, 498 
2, 327 2, 354 
2,727 
Wataribune 
Tse-Nishiki 
1561 
2332 
2,400 
1,980 
1,660 
2,640 
1,380 
2,000 
2,270 
2,600 
2,030 
1,660 
2,190 
2,050 
2,310 
2,101 
2,310 
2,409 
1,749 
2,548 
2,703 
2,327 
2,617 
1,880 
2,437 
MEDIUM GRAIN 
Mid-season group: 
Early Prolific 
1, 930 1. 902 
2,129 
LONG GRAIN 
Mid-season group: 
Selection No. 113.. 
2,203 
2,252 
2,410 
Lady Wright 
1,993 
1,933 
Late group: 
Honduras 
1643 
2,350 
1,580 
1,710 
. 1,818 
1.C07 
Dividing the six-year period into shorter periods, it is seen that 
the general result is very similar. 
During the first three-year period, 1919, 1920, and 1921, when 
grown on third-year and on fourth-year land, the short-grain mid- 
season variety Selection No. 1561-3 produced the highest average 
acre yield; during the second three-year period, 1922, 1923, and 
1924, when grown on fifth-year and on sixth-} r ear land, the variety 
Selection No. 1561-2, of the same group, was the leader. During both 
the first and second three-year periods the short-grain late group, 
