THE IMPORTANCE OF GOOD SEED 23 
selects for seed. All seed that is intended for the 
same field should be selected from plants that have 
ripened at the same time, in order to avoid the an- 
noyance of having a part of _. 
the plants ready to harvest 
before others have reached 
the proper stage of maturity. 
In the principal seed-pro- 
ducing sections the crop is 
harvested in September. 
The yield varies from 1,500 
to 2,500 pounds to the acre, 
from which there will be a 
loss of about 25 per cent 
when the seed is recleaned. 
Good clean seed _ should 
weigh 45 to 55 pounds to the 
measured bushel. The legal 
weight per bushel is quite 
variable, ranging from 30° "¥,,7,,Jsseirsls brah tay, 
pounds in Oklahoma to 42 twisted straws. Seed should 
be selected from plants pro- 
pounds in Tennessee and 57 ducing fine, straight straws. 
If seed is selected from heads 
pounds in Minnesota. Sige kind’ wil be. found 
Where the seed is grown  #mons the progeny. 
commercially, it is removed from the plant by means 
of a power stripper, recleaned and stored in bulk; 
but when the grower has his own seed patch, 
the seed is best stored in the head. This may be 
done by piling the heads in a loose heap or by bunch- 
ing a number of heads together and suspending 
them from the rafters of the attic or crib by means 
of a wire or a stout twine. If the heads are handled 
