The higher the temperature of the drying air, the lower is its relative humidity
(RH) and the more moisture it can remove from seed. However, seed are
living organisms, and excessively high temperatures will kill the seed.
Maximum drying temperatures that are relatively safe for reducing moisture
content of most starchy crop seed are:
Seed Moisture Maximum Safe Drying
Range Temperature
Over 18% 90oF
10–18% 100oF
10% or lower 110oF
These are seed temperatures; temperature of the drying air may be higher
for short periods of drying, as it takes time for seed to heat up to the air
temperature.