Detection methods of rice seed moisture under different environments

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Yan Li
Gang Che
Lin Wan
Chang Liu

Resumen

In order to study the change of water content of rice seeds during seed soaking, a method for detecting seed water content in different environments is proposed in this paper. According to the multi-component characteristics of relaxation time, the change and flow process of water in different phases of rice seeds were analyzed by the relaxation spectrum, and the regression equation between the total area of the relaxation spectrum and the water absorption rate of rice seeds was determined. The results showed that the water uptake of rice seeds could be reasonably estimated by the total area of the relaxation spectrum, and that the combined water and total water content increased with the increase of soaking time. While the free water changed irregularly, the water uptake of rice seeds was not significantly different between two rice varieties, but it was highly sensitive to soaking temperature. This temperature can reveal the regularity of water content of rice seeds in the soaking process more directly and accurately and provide data support and theoretical basis for searching the best soaking conditions.

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