Qualitative losses such as insect or heat damaged kernels, insect-infested, and microbial contaminated grains unfit for consumption or sale. ![]() The total wheat postharvest losses approached 4.32% while storage losses reached the maximum of (41.7% of the total) among all postharvest operations. ĭocumented grain postharvest loss estimates worldwide differ by grain and by region, but typically ranged from 2 to 10%. ![]() The available storage capacity in most countries cultivating wheat is currently insecure and insufficient for crop storage capacity. Wheat ( Triticum aestivum vulgare L.) is one of the most important strategic crops in the world. The higher concentration of carbon dioxide inside the silos during the storage period led to a decrease in fungal and microbial count and the presence of dead insects at the end of the storage period. The grain bulk temperature inside the silos was always lower than the surrounding ambient air temperature. There were no statistically significant differences at the sampling location along the length of the storage silos, which confirms the homogeneity of the internal conditions of the examined silo. The results showed that the stored wheat quality was maintained without any significant difference during the storage period in terms of 1000-grain weight, grain moisture content, and falling number, while there were slight changes in protein content and kernel hardness with a decrease of 5.5% and 4.6% at the end of the storage period. The evaluations included grain bulk temperature, CO 2 concentration, fungal and microbial count, insect count, grain moisture content, 1000-grain weight, falling number, and protein content. Ten horizontal plastic silos with the capacity of 200 tons/silo were tested and evaluated for eight months of wheat storage. ![]() Hermetic silo bags are economical and alternative technique to the traditional storage methods. Wheat still suffers from the problem of traditional storage methods, limited storage capacity, and a high percentage of losses in terms of quantity and quality.
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