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| The objective of grain storage management is to prevent the grain from spoiling in the bin. As you can see from looking at the Wheat Storage Time Chart, you can increase the safe storage time by cooling and/or drying the grain. Even when a crop is harvested dry, it is important to cool the bin. Grain will go through a sweat process after being harvested and it is critical to remove the heat and moisture from the bin. The larger the bins are, the more critical proper aeration becomes. |
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In the fall as the weather cools down, the grain against the walls of the bin cools first. Cool air will then move downward inside the bin and settle along the floor. The cool air displaces the warm air at the center of the bin and forces it upwards. This warm moist air then collects at the top of the bin and will often form a crust where mold and insects thrive. |
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In the spring the opposite occurs and spoilage occurs along the floor. To prevent the spring and fall sweat cycles from damaging your grain Avonlea recommends that you keep your grain within 10 degrees F of the outside air temperature. A low volume aeration fan will do this job for you. A higher volume aeration fan will also do the same job more quickly. Avonlea recommends that you monitor what is happening in your bins with temperature cables. This will eliminate the guesswork and the power saved could easily pay for the cables. |
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