An early autumn stand of interseeded alfalfa. 
(Courtesy of Ohio Agricultural Experiment Station) 
Delay the first cultivation until 
the corn is about 6 inches tall. This 
cultivation fills in the depression in 
which the corn was planted. Two 
cultivations should be enough for 
_ good weed control. 
Conventional tillage—plow-disk- 
drag harrow—may also be used 
when legumes and grasses are inter- 
seeded in corn. Attach furrow 
openers to the planter shoes. These 
- 
openers make it possible to plant 
the corn in shallow furrows similar 
to those made by wheel-track plant- 
ing. This makes weed control easy 
and causes a minimum of ridging. 
23 
a _ Most experiment stations in the 
% North Central States have reported 
_ slight reductions in yields when 
: corn is planted in wide rows. 
ca 
=e 
Yields in Wisconsin from test 
plots of 60-inch rows were 10 per- 
cent less than from 40-inch rows. 
Alternate rows of 40 and 80 inches 
brought a 20-percent reduction in 
yield. 
In LUlinois the 60-inch row 
yielded 8 percent less; 80-inch rows, 
20 percent; and alternate 40- and 
80-inch rows, 10 percent. 
But there is one significant point 
to remember in using wide-row 
corn for interseeding: Even a 65- 
bushels-per-acre corn yield pro- 
duces more feed than oats at 75 
bushels per acre. The oats would 
contain about 1,700 pounds of total 
digestible nutrients; the corn, 3,400 
pounds. 
To obtain maximum yields from 
wide-spaced rows, you should plant 
corn at about the same rate per acre 
as recommended for normal row 
spacing. 
