Variable Seeding Rate in Sweet
By Jake Linneman
• Corn like in appearance
• Requires less water and
nutrients then corn
• Can be harvested for
both grain and sugar
content from the stalk
• The grain is primarily
used for livestock feed
• Either cut for silage or
the seed is feed like
• The sugar content has
been to show great
popularity as a biofuel
• Fits as a rotational crop
for Oklahoma growers
• The juice is what we want from the stalk.
• From this juice, the sugar is fermented to
• The ethanol produced from sorghum requires
much less inputs than corn.
• Can be grown in much more arid climates.
• One acre can produce 500-800 gallons of
• ~24,000 seeds per pound
• An average of 3-4 pounds per acre
– 40,000 to 70,000 plants per acre
– 60,000 to 90,000 plants per acre
Planting density and row spacing
• Rates • Spacing
– 30k, 40k, 50k, 60k, – 7.5 inch, 15 inch, 30
– 7.5 inch and 30 inch – 50,000 seeds per
acre is the constant
• Harvest takes place in the field using an on
site juice extractor.
• Bladders are in the field to store the juice to
which the yeast is added.
Juice extractor and field bladder