36 
BULLETIN 1155, U. S. DEPARTMENT OF AGRICULTURE. 
From the grower's standpoint, earliness, high yield per acre, stiff 
straw, and freedom from shattering are the important qualifications. 
While freedom from shattering is essential, yet the variety must 
thresh readily. The miller desires a rice that mills well and is in 
I 
■ 
1 s* 
Fig. 13.— General view of the rice nursery at the Biggs Rice Field Station, with the field plats in the 
background. 
demand on the market. Shape and size of grain, quality, and flavor 
are important factors with millers and consumers. 
During the nine years from 1913 to 1921, inclusive, 163 varieties 
and selections have been grown in rod rows. The rows were 3 feet 
apart and the plants spaced 6 inches apart in the row. When the 
stand was perfect there were 33 plants in each row. Spaced plant- 
FlG. 
-Portion of the rice nursery at the Biggs Rice Field Station shortly before the crop matured. 
ings have yielded less per row than bulk plantings. The annual and 
average yields in pounds per row of the 163 varieties and selections 
grown in rod rows are given in Table 26. Each row is a pure line, 
all the seed having come from one head. The stands were very poor 
in 1919. New varieties or selections were added from year to year. 
