engleski

Influence of relative humidity and temperature on changes in grain moisture in stored wheat and sunflower

These investigations aimed to determine influence of changes in relative humidity and temperature in storage facilities to the moisture in the grain of stored wheat and sunflower. Wheat (“ Žitarka” variety) and sunflower (“ Orion” hybrid) were stored during 34 days at the temperature of 0oC and 20oC, and relative humidity of 55%, 73%, 80% and 98%. At the temperature of 0oC and relative humidity of 55% and 73%, moisture in wheat grain decreased, as following, 0.8% and 0.2%, while at the relative humidity of 80% and 98% it increased 0.5% and 0.7% after 34 days storage. At the temperature of 20°C and relative humidity of 55%, moisture in wheat grain decreased 1.6%, while at the relative humidity of 73%, 80% and 98% it increased, as following 0.7%, 1.1% and 2.6%. During 34 days storage at 0°C and relative humidity of 55% and 73%, moisture in sunflower grain decreased 0, 8% and 0.2%, while at the relative humidity of 80% and 98% it increased, as following, 0.5% and 0.7%. At the temperature of 20°C and relative humidity of 55% and 73% moisture in sunflower grain decreased 1.6% and 0.1%, and increased at the relative humidity of 80% and 98%, as following, 0.4% and 0.1%. There are no significant differences of the temperature to the changes in grain moisture in both treatments, with wheat, as well as with sunflower. Such investigations enable additional insights into the rate of changes in grain, and the influence to grain viability in changed storage conditions.

wheat ; sunflower ; grain moisture ; temperature ; relative humidity ; viability

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