18 Nebraska Agricultural Exp. Station, Research Bid. 13 
ratio of thick to thin is 100:72 as compared with 100:81 for 
the center three rows, while the ratio of thick to thin for the 
two outside rows only was 100:60. From these data and 
other similar data it may be concluded that the outside rows 
of nursery test plats should be discarded. 
The straw yields for the 1914 rate-of-planting tests with 
wheat substantiate the same principles of competition as were 
brought out in the relative grain yields. In alternating rows, 
the ratio of thick to thin straw yield was 100:39. For the 
center three rows of five-row blocks, the ratio was 100:82. 
The ratio was 100:74 where all five rows were averaged, 
while it was 100 : 63 for the two outside rows. 
Oats — The relative yields of two rates of planting oats 
in alternating rows as compared with alternating five-row 
plats are shown in Table 2. In 1913 the thin rate in rows 
yielded 64 per cent as much as the thick rate, while in five- 
row blocks the thin rate yielded 80 per cent as much as the 
thick rate. Competition in rows with a thicker rate of plant- 
ing caused the thin rate to yield relatively 20 per cent too low. 
In 1914 the thin rate in alternating rows yielded 67 per 
cent as much as the thick rate, while when compared in the 
three inner rows of five-row plats the thin rate yielded 2 per 
cent more than the thick rate. Competition in rows with the 
thicker rate caused the thin rate of planting to yield rela- 
tively 34.3 per cent too low. If the yields of the entire five- 
row blocks are taken, the ratio of thick to thin is found to 
have been 100:98 as compared with 100:102 for the three 
inside rows, while the ratios of thick to thin for the two out- 
side rows was 100:96. 
Similar results were obtained from the straw yields in 
1914. In alternating single rows the ratio of thick to thin 
straw yields was 100:69. For the center three rows of five- 
row blocks the ratio was 100:102. Where all five rows were 
averaged the ratio was 100:101, while for the two outside 
rows it was 100 :99. 
RELATIVE STOOLING OF TWO KATES OF PLANTING WHEN COM- 
PARED IN ALTERNATING ROWS AND ALTERNATING BLOCKS 
In 1914, counts were made to determine the effect of com- 
petition between alternating rows of two rates of planting 
wheat and oats upon the relative stooling in the two rates. 
The counts were made for the plats reported in Tables 1 
and 2. The results are given in Table 3. 
