This methodology can be used for monitoring grain storability in silo-bags. The CO2
concentration in the silo-bag is measured and compared to the expected CO2 concentration for
silo-bags with safe and unsafe storage condition, and the silo-bag storage condition is then
classified as safe, risky and unsafe.
The CO2 concentration of wheat silo-bags with safe storage conditions increases with grain
MC (from lower than 5% CO2 for 13% MC or less, to 17% CO2 for 16% MC). Thus, the
comparison of the measured CO2 concentration with the typical CO2 concentration of
silo-bags at safe storage conditions should be related to the grain MC.
On the other hand, the MC of soybean does not substantially affect the CO2 concentration
of silo-bags with safe storage conditions (for MC soybean MC range from 11 to 15%), so any
measured concentration below 4% means safe storage conditions, between 4 and 12% means
“risky” storage conditions, and above 14% means “unsafe” storage condition.
This methodology can be used for monitoring grain storability in silo-bags. The CO2concentration in the silo-bag is measured and compared to the expected CO2 concentration forsilo-bags with safe and unsafe storage condition, and the silo-bag storage condition is thenclassified as safe, risky and unsafe.The CO2 concentration of wheat silo-bags with safe storage conditions increases with grainMC (from lower than 5% CO2 for 13% MC or less, to 17% CO2 for 16% MC). Thus, thecomparison of the measured CO2 concentration with the typical CO2 concentration ofsilo-bags at safe storage conditions should be related to the grain MC.On the other hand, the MC of soybean does not substantially affect the CO2 concentrationof silo-bags with safe storage conditions (for MC soybean MC range from 11 to 15%), so anymeasured concentration below 4% means safe storage conditions, between 4 and 12% means“risky” storage conditions, and above 14% means “unsafe” storage condition.
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