1940 IOWA C 
IRN YIELD TEST 
Conducted by lowa ae tural Experiment sels : 

PIONEER 322 WINS HIGH HONORS 
Pioneer 322, tested for five years in the 
Iowa Corn Yield Test, continues to 
rank at or near the top for yield and 
at the top for lodging resistance, ac- 
cording to the report of the 1940 Test, 
released February 10, 1941. 
Excellent Yield, Lodging Resistance 
in NORTHERN IOWA 
Bulletin P. 19, issued by the lowa 
Agricultural Experiment Station, com- 
ments on the 1940 results as follows: 
“Pioneer 322 has the highest yield for 5 
years and stands near the top for the 4, 3 
and 2-year period in this section (Northern 
Iowa). This hybrid has the lowest percent- 
age of lodged plants of any hybrid entered 
in the Northern Section for 5, 4, 3 or 2 
years.” 
Resists Ear Dropping 
Among all hybrids tested in Northern 
Iowa for 5 years and for 4 years, 
Pioneer 322 is unequalled for resist- 
ance to ear dropping. In the 3-year 
results, only one other hybrid (Pioneer 
349) is as good. In the 2-year results, 
only two other hybrids are as good for 
resistance to ear dropping and both 
were approximately 10 bushels per 
acre lower in yield. 
in NORTH CENTRAL IOWA 
In the 5-year results of the official tests 
in North Central Iowa, Pioneer 322 
ranks first for yield, first for lodging 
resistance, first for resistance to ear 
dropping, and has the smallest 
amount of damaged corn among all 
hybrids tested. 
“Tops” 
PIONEER HYBRIDS Rank FIRST in YIELD in 6 out of 14 OFFICIAL 
1940 Local County Yield Tests in Northern lowa 
Fourteen County Agents and Voca- 
tional Agricultural Teachers in north- 
ern Iowa, conducted careful, hand 
planted, replicated yield test plots in 
1940. The table at the right shows 
that Pioneer hybrids ranked FIRST for 
yield in six out of the fourteen plots. 
No other variety of corn ranked first 
in more than two plots. 

Pioneer Hybrid 
ee 
Pioneer 324 
Pioneer 352 
Pioneer 370 
Pioneer 370 
Pioneer 322 
Pioneer 322 
Location of Test 
Plots—County Conducted By 
County Agent 
County Agent 
BY OD rs etree tres! County Agent 
Mitchell 
